diff options
| author | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
|---|---|---|
| committer | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
| commit | 8e4bff4cab0ddac6060645b0715210484d02ff40 (patch) | |
| tree | 3a5c3024371a04692a3a6d9974d001cdff8ebf84 /arch/h8300/include/asm | |
Diffstat (limited to 'arch/h8300/include/asm')
80 files changed, 3309 insertions, 0 deletions
diff --git a/arch/h8300/include/asm/Kbuild b/arch/h8300/include/asm/Kbuild new file mode 100644 index 00000000..995eb47e --- /dev/null +++ b/arch/h8300/include/asm/Kbuild @@ -0,0 +1,6 @@ + +generic-y += clkdev.h +generic-y += exec.h +generic-y += mmu.h +generic-y += module.h +generic-y += trace_clock.h diff --git a/arch/h8300/include/asm/asm-offsets.h b/arch/h8300/include/asm/asm-offsets.h new file mode 100644 index 00000000..d370ee36 --- /dev/null +++ b/arch/h8300/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/arch/h8300/include/asm/atomic.h b/arch/h8300/include/asm/atomic.h new file mode 100644 index 00000000..40901e35 --- /dev/null +++ b/arch/h8300/include/asm/atomic.h @@ -0,0 +1,146 @@ +#ifndef __ARCH_H8300_ATOMIC__ +#define __ARCH_H8300_ATOMIC__ + +#include <linux/types.h> +#include <asm/cmpxchg.h> + +/* + * Atomic operations that C can't guarantee us. Useful for + * resource counting etc.. + */ + +#define ATOMIC_INIT(i) { (i) } + +#define atomic_read(v) (*(volatile int *)&(v)->counter) +#define atomic_set(v, i) (((v)->counter) = i) + +#include <linux/kernel.h> + +static __inline__ int atomic_add_return(int i, atomic_t *v) +{ + unsigned long flags; + int ret; + local_irq_save(flags); + ret = v->counter += i; + local_irq_restore(flags); + return ret; +} + +#define atomic_add(i, v) atomic_add_return(i, v) +#define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0) + +static __inline__ int atomic_sub_return(int i, atomic_t *v) +{ + unsigned long flags; + int ret; + local_irq_save(flags); + ret = v->counter -= i; + local_irq_restore(flags); + return ret; +} + +#define atomic_sub(i, v) atomic_sub_return(i, v) +#define atomic_sub_and_test(i,v) (atomic_sub_return(i, v) == 0) + +static __inline__ int atomic_inc_return(atomic_t *v) +{ + unsigned long flags; + int ret; + local_irq_save(flags); + v->counter++; + ret = v->counter; + local_irq_restore(flags); + return ret; +} + +#define atomic_inc(v) atomic_inc_return(v) + +/* + * atomic_inc_and_test - increment and test + * @v: pointer of type atomic_t + * + * Atomically increments @v by 1 + * and returns true if the result is zero, or false for all + * other cases. + */ +#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0) + +static __inline__ int atomic_dec_return(atomic_t *v) +{ + unsigned long flags; + int ret; + local_irq_save(flags); + --v->counter; + ret = v->counter; + local_irq_restore(flags); + return ret; +} + +#define atomic_dec(v) atomic_dec_return(v) + +static __inline__ int atomic_dec_and_test(atomic_t *v) +{ + unsigned long flags; + int ret; + local_irq_save(flags); + --v->counter; + ret = v->counter; + local_irq_restore(flags); + return ret == 0; +} + +static inline int atomic_cmpxchg(atomic_t *v, int old, int new) +{ + int ret; + unsigned long flags; + + local_irq_save(flags); + ret = v->counter; + if (likely(ret == old)) + v->counter = new; + local_irq_restore(flags); + return ret; +} + +static inline int __atomic_add_unless(atomic_t *v, int a, int u) +{ + int ret; + unsigned long flags; + + local_irq_save(flags); + ret = v->counter; + if (ret != u) + v->counter += a; + local_irq_restore(flags); + return ret; +} + +static __inline__ void atomic_clear_mask(unsigned long mask, unsigned long *v) +{ + __asm__ __volatile__("stc ccr,r1l\n\t" + "orc #0x80,ccr\n\t" + "mov.l %0,er0\n\t" + "and.l %1,er0\n\t" + "mov.l er0,%0\n\t" + "ldc r1l,ccr" + : "=m" (*v) : "g" (~(mask)) :"er0","er1"); +} + +static __inline__ void atomic_set_mask(unsigned long mask, unsigned long *v) +{ + __asm__ __volatile__("stc ccr,r1l\n\t" + "orc #0x80,ccr\n\t" + "mov.l %0,er0\n\t" + "or.l %1,er0\n\t" + "mov.l er0,%0\n\t" + "ldc r1l,ccr" + : "=m" (*v) : "g" (mask) :"er0","er1"); +} + +/* Atomic operations are already serializing */ +#define smp_mb__before_atomic_dec() barrier() +#define smp_mb__after_atomic_dec() barrier() +#define smp_mb__before_atomic_inc() barrier() +#define smp_mb__after_atomic_inc() barrier() + +#endif /* __ARCH_H8300_ATOMIC __ */ diff --git a/arch/h8300/include/asm/barrier.h b/arch/h8300/include/asm/barrier.h new file mode 100644 index 00000000..c7283c34 --- /dev/null +++ b/arch/h8300/include/asm/barrier.h @@ -0,0 +1,27 @@ +#ifndef _H8300_BARRIER_H +#define _H8300_BARRIER_H + +#define nop() asm volatile ("nop"::) + +/* + * Force strict CPU ordering. + * Not really required on H8... + */ +#define mb() asm volatile ("" : : :"memory") +#define rmb() asm volatile ("" : : :"memory") +#define wmb() asm volatile ("" : : :"memory") +#define set_mb(var, value) do { xchg(&var, value); } while (0) + +#ifdef CONFIG_SMP +#define smp_mb() mb() +#define smp_rmb() rmb() +#define smp_wmb() wmb() +#define smp_read_barrier_depends() read_barrier_depends() +#else +#define smp_mb() barrier() +#define smp_rmb() barrier() +#define smp_wmb() barrier() +#define smp_read_barrier_depends() do { } while(0) +#endif + +#endif /* _H8300_BARRIER_H */ diff --git a/arch/h8300/include/asm/bitops.h b/arch/h8300/include/asm/bitops.h new file mode 100644 index 00000000..eb34e0cd --- /dev/null +++ b/arch/h8300/include/asm/bitops.h @@ -0,0 +1,211 @@ +#ifndef _H8300_BITOPS_H +#define _H8300_BITOPS_H + +/* + * Copyright 1992, Linus Torvalds. + * Copyright 2002, Yoshinori Sato + */ + +#include <linux/compiler.h> + +#ifdef __KERNEL__ + +#ifndef _LINUX_BITOPS_H +#error only <linux/bitops.h> can be included directly +#endif + +/* + * Function prototypes to keep gcc -Wall happy + */ + +/* + * ffz = Find First Zero in word. Undefined if no zero exists, + * so code should check against ~0UL first.. + */ +static __inline__ unsigned long ffz(unsigned long word) +{ + unsigned long result; + + result = -1; + __asm__("1:\n\t" + "shlr.l %2\n\t" + "adds #1,%0\n\t" + "bcs 1b" + : "=r" (result) + : "0" (result),"r" (word)); + return result; +} + +#define H8300_GEN_BITOP_CONST(OP,BIT) \ + case BIT: \ + __asm__(OP " #" #BIT ",@%0"::"r"(b_addr):"memory"); \ + break; + +#define H8300_GEN_BITOP(FNAME,OP) \ +static __inline__ void FNAME(int nr, volatile unsigned long* addr) \ +{ \ + volatile unsigned char *b_addr; \ + b_addr = (volatile unsigned char *)addr + ((nr >> 3) ^ 3); \ + if (__builtin_constant_p(nr)) { \ + switch(nr & 7) { \ + H8300_GEN_BITOP_CONST(OP,0) \ + H8300_GEN_BITOP_CONST(OP,1) \ + H8300_GEN_BITOP_CONST(OP,2) \ + H8300_GEN_BITOP_CONST(OP,3) \ + H8300_GEN_BITOP_CONST(OP,4) \ + H8300_GEN_BITOP_CONST(OP,5) \ + H8300_GEN_BITOP_CONST(OP,6) \ + H8300_GEN_BITOP_CONST(OP,7) \ + } \ + } else { \ + __asm__(OP " %w0,@%1"::"r"(nr),"r"(b_addr):"memory"); \ + } \ +} + +/* + * clear_bit() doesn't provide any barrier for the compiler. + */ +#define smp_mb__before_clear_bit() barrier() +#define smp_mb__after_clear_bit() barrier() + +H8300_GEN_BITOP(set_bit ,"bset") +H8300_GEN_BITOP(clear_bit ,"bclr") +H8300_GEN_BITOP(change_bit,"bnot") +#define __set_bit(nr,addr) set_bit((nr),(addr)) +#define __clear_bit(nr,addr) clear_bit((nr),(addr)) +#define __change_bit(nr,addr) change_bit((nr),(addr)) + +#undef H8300_GEN_BITOP +#undef H8300_GEN_BITOP_CONST + +static __inline__ int test_bit(int nr, const unsigned long* addr) +{ + return (*((volatile unsigned char *)addr + + ((nr >> 3) ^ 3)) & (1UL << (nr & 7))) != 0; +} + +#define __test_bit(nr, addr) test_bit(nr, addr) + +#define H8300_GEN_TEST_BITOP_CONST_INT(OP,BIT) \ + case BIT: \ + __asm__("stc ccr,%w1\n\t" \ + "orc #0x80,ccr\n\t" \ + "bld #" #BIT ",@%4\n\t" \ + OP " #" #BIT ",@%4\n\t" \ + "rotxl.l %0\n\t" \ + "ldc %w1,ccr" \ + : "=r"(retval),"=&r"(ccrsave),"=m"(*b_addr) \ + : "0" (retval),"r" (b_addr) \ + : "memory"); \ + break; + +#define H8300_GEN_TEST_BITOP_CONST(OP,BIT) \ + case BIT: \ + __asm__("bld #" #BIT ",@%3\n\t" \ + OP " #" #BIT ",@%3\n\t" \ + "rotxl.l %0\n\t" \ + : "=r"(retval),"=m"(*b_addr) \ + : "0" (retval),"r" (b_addr) \ + : "memory"); \ + break; + +#define H8300_GEN_TEST_BITOP(FNNAME,OP) \ +static __inline__ int FNNAME(int nr, volatile void * addr) \ +{ \ + int retval = 0; \ + char ccrsave; \ + volatile unsigned char *b_addr; \ + b_addr = (volatile unsigned char *)addr + ((nr >> 3) ^ 3); \ + if (__builtin_constant_p(nr)) { \ + switch(nr & 7) { \ + H8300_GEN_TEST_BITOP_CONST_INT(OP,0) \ + H8300_GEN_TEST_BITOP_CONST_INT(OP,1) \ + H8300_GEN_TEST_BITOP_CONST_INT(OP,2) \ + H8300_GEN_TEST_BITOP_CONST_INT(OP,3) \ + H8300_GEN_TEST_BITOP_CONST_INT(OP,4) \ + H8300_GEN_TEST_BITOP_CONST_INT(OP,5) \ + H8300_GEN_TEST_BITOP_CONST_INT(OP,6) \ + H8300_GEN_TEST_BITOP_CONST_INT(OP,7) \ + } \ + } else { \ + __asm__("stc ccr,%w1\n\t" \ + "orc #0x80,ccr\n\t" \ + "btst %w5,@%4\n\t" \ + OP " %w5,@%4\n\t" \ + "beq 1f\n\t" \ + "inc.l #1,%0\n" \ + "1:\n\t" \ + "ldc %w1,ccr" \ + : "=r"(retval),"=&r"(ccrsave),"=m"(*b_addr) \ + : "0" (retval),"r" (b_addr),"r"(nr) \ + : "memory"); \ + } \ + return retval; \ +} \ + \ +static __inline__ int __ ## FNNAME(int nr, volatile void * addr) \ +{ \ + int retval = 0; \ + volatile unsigned char *b_addr; \ + b_addr = (volatile unsigned char *)addr + ((nr >> 3) ^ 3); \ + if (__builtin_constant_p(nr)) { \ + switch(nr & 7) { \ + H8300_GEN_TEST_BITOP_CONST(OP,0) \ + H8300_GEN_TEST_BITOP_CONST(OP,1) \ + H8300_GEN_TEST_BITOP_CONST(OP,2) \ + H8300_GEN_TEST_BITOP_CONST(OP,3) \ + H8300_GEN_TEST_BITOP_CONST(OP,4) \ + H8300_GEN_TEST_BITOP_CONST(OP,5) \ + H8300_GEN_TEST_BITOP_CONST(OP,6) \ + H8300_GEN_TEST_BITOP_CONST(OP,7) \ + } \ + } else { \ + __asm__("btst %w4,@%3\n\t" \ + OP " %w4,@%3\n\t" \ + "beq 1f\n\t" \ + "inc.l #1,%0\n" \ + "1:" \ + : "=r"(retval),"=m"(*b_addr) \ + : "0" (retval),"r" (b_addr),"r"(nr) \ + : "memory"); \ + } \ + return retval; \ +} + +H8300_GEN_TEST_BITOP(test_and_set_bit, "bset") +H8300_GEN_TEST_BITOP(test_and_clear_bit, "bclr") +H8300_GEN_TEST_BITOP(test_and_change_bit,"bnot") +#undef H8300_GEN_TEST_BITOP_CONST +#undef H8300_GEN_TEST_BITOP_CONST_INT +#undef H8300_GEN_TEST_BITOP + +#include <asm-generic/bitops/ffs.h> + +static __inline__ unsigned long __ffs(unsigned long word) +{ + unsigned long result; + + result = -1; + __asm__("1:\n\t" + "shlr.l %2\n\t" + "adds #1,%0\n\t" + "bcc 1b" + : "=r" (result) + : "0"(result),"r"(word)); + return result; +} + +#include <asm-generic/bitops/find.h> +#include <asm-generic/bitops/sched.h> +#include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/lock.h> +#include <asm-generic/bitops/le.h> +#include <asm-generic/bitops/ext2-atomic.h> + +#endif /* __KERNEL__ */ + +#include <asm-generic/bitops/fls.h> +#include <asm-generic/bitops/__fls.h> +#include <asm-generic/bitops/fls64.h> + +#endif /* _H8300_BITOPS_H */ diff --git a/arch/h8300/include/asm/bootinfo.h b/arch/h8300/include/asm/bootinfo.h new file mode 100644 index 00000000..5bed7e7a --- /dev/null +++ b/arch/h8300/include/asm/bootinfo.h @@ -0,0 +1,2 @@ + +/* Nothing for h8300 */ diff --git a/arch/h8300/include/asm/bug.h b/arch/h8300/include/asm/bug.h new file mode 100644 index 00000000..1e1be811 --- /dev/null +++ b/arch/h8300/include/asm/bug.h @@ -0,0 +1,12 @@ +#ifndef _H8300_BUG_H +#define _H8300_BUG_H + +/* always true */ +#define is_valid_bugaddr(addr) (1) + +#include <asm-generic/bug.h> + +struct pt_regs; +extern void die(const char *str, struct pt_regs *fp, unsigned long err); + +#endif diff --git a/arch/h8300/include/asm/bugs.h b/arch/h8300/include/asm/bugs.h new file mode 100644 index 00000000..1cb4afba --- /dev/null +++ b/arch/h8300/include/asm/bugs.h @@ -0,0 +1,16 @@ +/* + * include/asm-h8300/bugs.h + * + * Copyright (C) 1994 Linus Torvalds + */ + +/* + * This is included by init/main.c to check for architecture-dependent bugs. + * + * Needs: + * void check_bugs(void); + */ + +static void check_bugs(void) +{ +} diff --git a/arch/h8300/include/asm/cache.h b/arch/h8300/include/asm/cache.h new file mode 100644 index 00000000..05887a1d --- /dev/null +++ b/arch/h8300/include/asm/cache.h @@ -0,0 +1,13 @@ +#ifndef __ARCH_H8300_CACHE_H +#define __ARCH_H8300_CACHE_H + +/* bytes per L1 cache line */ +#define L1_CACHE_SHIFT 2 +#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) + +/* m68k-elf-gcc 2.95.2 doesn't like these */ + +#define __cacheline_aligned +#define ____cacheline_aligned + +#endif diff --git a/arch/h8300/include/asm/cachectl.h b/arch/h8300/include/asm/cachectl.h new file mode 100644 index 00000000..c464022d --- /dev/null +++ b/arch/h8300/include/asm/cachectl.h @@ -0,0 +1,14 @@ +#ifndef _H8300_CACHECTL_H +#define _H8300_CACHECTL_H + +/* Definitions for the cacheflush system call. */ + +#define FLUSH_SCOPE_LINE 0 /* Flush a cache line */ +#define FLUSH_SCOPE_PAGE 0 /* Flush a page */ +#define FLUSH_SCOPE_ALL 0 /* Flush the whole cache -- superuser only */ + +#define FLUSH_CACHE_DATA 0 /* Writeback and flush data cache */ +#define FLUSH_CACHE_INSN 0 /* Flush instruction cache */ +#define FLUSH_CACHE_BOTH 0 /* Flush both caches */ + +#endif /* _H8300_CACHECTL_H */ diff --git a/arch/h8300/include/asm/cacheflush.h b/arch/h8300/include/asm/cacheflush.h new file mode 100644 index 00000000..4cf2df20 --- /dev/null +++ b/arch/h8300/include/asm/cacheflush.h @@ -0,0 +1,40 @@ +/* + * (C) Copyright 2002, Yoshinori Sato <ysato@users.sourceforge.jp> + */ + +#ifndef _ASM_H8300_CACHEFLUSH_H +#define _ASM_H8300_CACHEFLUSH_H + +/* + * Cache handling functions + * No Cache memory all dummy functions + */ + +#define flush_cache_all() +#define flush_cache_mm(mm) +#define flush_cache_dup_mm(mm) do { } while (0) +#define flush_cache_range(vma,a,b) +#define flush_cache_page(vma,p,pfn) +#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 +#define flush_dcache_page(page) +#define flush_dcache_mmap_lock(mapping) +#define flush_dcache_mmap_unlock(mapping) +#define flush_icache() +#define flush_icache_page(vma,page) +#define flush_icache_range(start,len) +#define flush_cache_vmap(start, end) +#define flush_cache_vunmap(start, end) +#define cache_push_v(vaddr,len) +#define cache_push(paddr,len) +#define cache_clear(paddr,len) + +#define flush_dcache_range(a,b) + +#define flush_icache_user_range(vma,page,addr,len) + +#define copy_to_user_page(vma, page, vaddr, dst, src, len) \ + memcpy(dst, src, len) +#define copy_from_user_page(vma, page, vaddr, dst, src, len) \ + memcpy(dst, src, len) + +#endif /* _ASM_H8300_CACHEFLUSH_H */ diff --git a/arch/h8300/include/asm/checksum.h b/arch/h8300/include/asm/checksum.h new file mode 100644 index 00000000..98724e12 --- /dev/null +++ b/arch/h8300/include/asm/checksum.h @@ -0,0 +1,102 @@ +#ifndef _H8300_CHECKSUM_H +#define _H8300_CHECKSUM_H + +/* + * computes the checksum of a memory block at buff, length len, + * and adds in "sum" (32-bit) + * + * returns a 32-bit number suitable for feeding into itself + * or csum_tcpudp_magic + * + * this function must be called with even lengths, except + * for the last fragment, which may be odd + * + * it's best to have buff aligned on a 32-bit boundary + */ +__wsum csum_partial(const void *buff, int len, __wsum sum); + +/* + * the same as csum_partial, but copies from src while it + * checksums + * + * here even more important to align src and dst on a 32-bit (or even + * better 64-bit) boundary + */ + +__wsum csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum); + + +/* + * the same as csum_partial_copy, but copies from user space. + * + * here even more important to align src and dst on a 32-bit (or even + * better 64-bit) boundary + */ + +extern __wsum csum_partial_copy_from_user(const void __user *src, void *dst, + int len, __wsum sum, int *csum_err); + +__sum16 ip_fast_csum(const void *iph, unsigned int ihl); + + +/* + * Fold a partial checksum + */ + +static inline __sum16 csum_fold(__wsum sum) +{ + __asm__("mov.l %0,er0\n\t" + "add.w e0,r0\n\t" + "xor.w e0,e0\n\t" + "rotxl.w e0\n\t" + "add.w e0,r0\n\t" + "sub.w e0,e0\n\t" + "mov.l er0,%0" + : "=r"(sum) + : "0"(sum) + : "er0"); + return (__force __sum16)~sum; +} + + +/* + * computes the checksum of the TCP/UDP pseudo-header + * returns a 16-bit checksum, already complemented + */ + +static inline __wsum +csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len, + unsigned short proto, __wsum sum) +{ + __asm__ ("sub.l er0,er0\n\t" + "add.l %2,%0\n\t" + "addx #0,r0l\n\t" + "add.l %3,%0\n\t" + "addx #0,r0l\n\t" + "add.l %4,%0\n\t" + "addx #0,r0l\n\t" + "add.l er0,%0\n\t" + "bcc 1f\n\t" + "inc.l #1,%0\n" + "1:" + : "=&r" (sum) + : "0" (sum), "r" (daddr), "r" (saddr), "r" (len + proto) + :"er0"); + return sum; +} + +static inline __sum16 +csum_tcpudp_magic(__be32 saddr, __be32 daddr, unsigned short len, + unsigned short proto, __wsum sum) +{ + return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum)); +} + +/* + * this routine is used for miscellaneous IP-like checksums, mainly + * in icmp.c + */ + +extern __sum16 ip_compute_csum(const void *buff, int len); + +#endif /* _H8300_CHECKSUM_H */ diff --git a/arch/h8300/include/asm/cmpxchg.h b/arch/h8300/include/asm/cmpxchg.h new file mode 100644 index 00000000..cdb203ef --- /dev/null +++ b/arch/h8300/include/asm/cmpxchg.h @@ -0,0 +1,60 @@ +#ifndef __ARCH_H8300_CMPXCHG__ +#define __ARCH_H8300_CMPXCHG__ + +#include <linux/irqflags.h> + +#define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) + +struct __xchg_dummy { unsigned long a[100]; }; +#define __xg(x) ((volatile struct __xchg_dummy *)(x)) + +static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int size) +{ + unsigned long tmp, flags; + + local_irq_save(flags); + + switch (size) { + case 1: + __asm__ __volatile__ + ("mov.b %2,%0\n\t" + "mov.b %1,%2" + : "=&r" (tmp) : "r" (x), "m" (*__xg(ptr)) : "memory"); + break; + case 2: + __asm__ __volatile__ + ("mov.w %2,%0\n\t" + "mov.w %1,%2" + : "=&r" (tmp) : "r" (x), "m" (*__xg(ptr)) : "memory"); + break; + case 4: + __asm__ __volatile__ + ("mov.l %2,%0\n\t" + "mov.l %1,%2" + : "=&r" (tmp) : "r" (x), "m" (*__xg(ptr)) : "memory"); + break; + default: + tmp = 0; + } + local_irq_restore(flags); + return tmp; +} + +#include <asm-generic/cmpxchg-local.h> + +/* + * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make + * them available. + */ +#define cmpxchg_local(ptr, o, n) \ + ((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), (unsigned long)(o),\ + (unsigned long)(n), sizeof(*(ptr)))) +#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n)) + +#ifndef CONFIG_SMP +#include <asm-generic/cmpxchg.h> +#endif + +#define atomic_xchg(v, new) (xchg(&((v)->counter), new)) + +#endif /* __ARCH_H8300_CMPXCHG__ */ diff --git a/arch/h8300/include/asm/cputime.h b/arch/h8300/include/asm/cputime.h new file mode 100644 index 00000000..092e187c --- /dev/null +++ b/arch/h8300/include/asm/cputime.h @@ -0,0 +1,6 @@ +#ifndef __H8300_CPUTIME_H +#define __H8300_CPUTIME_H + +#include <asm-generic/cputime.h> + +#endif /* __H8300_CPUTIME_H */ diff --git a/arch/h8300/include/asm/current.h b/arch/h8300/include/asm/current.h new file mode 100644 index 00000000..57d74ee5 --- /dev/null +++ b/arch/h8300/include/asm/current.h @@ -0,0 +1,25 @@ +#ifndef _H8300_CURRENT_H +#define _H8300_CURRENT_H +/* + * current.h + * (C) Copyright 2000, Lineo, David McCullough <davidm@lineo.com> + * (C) Copyright 2002, Greg Ungerer (gerg@snapgear.com) + * + * rather than dedicate a register (as the m68k source does), we + * just keep a global, we should probably just change it all to be + * current and lose _current_task. + */ + +#include <linux/thread_info.h> +#include <asm/thread_info.h> + +struct task_struct; + +static inline struct task_struct *get_current(void) +{ + return(current_thread_info()->task); +} + +#define current get_current() + +#endif /* _H8300_CURRENT_H */ diff --git a/arch/h8300/include/asm/dbg.h b/arch/h8300/include/asm/dbg.h new file mode 100644 index 00000000..2c6d1cbc --- /dev/null +++ b/arch/h8300/include/asm/dbg.h @@ -0,0 +1,2 @@ +#define DEBUG 1 +#define BREAK asm volatile ("trap #3") diff --git a/arch/h8300/include/asm/delay.h b/arch/h8300/include/asm/delay.h new file mode 100644 index 00000000..743beba7 --- /dev/null +++ b/arch/h8300/include/asm/delay.h @@ -0,0 +1,38 @@ +#ifndef _H8300_DELAY_H +#define _H8300_DELAY_H + +#include <asm/param.h> + +/* + * Copyright (C) 2002 Yoshinori Sato <ysato@sourceforge.jp> + * + * Delay routines, using a pre-computed "loops_per_second" value. + */ + +static inline void __delay(unsigned long loops) +{ + __asm__ __volatile__ ("1:\n\t" + "dec.l #1,%0\n\t" + "bne 1b" + :"=r" (loops):"0"(loops)); +} + +/* + * Use only for very small delays ( < 1 msec). Should probably use a + * lookup table, really, as the multiplications take much too long with + * short delays. This is a "reasonable" implementation, though (and the + * first constant multiplications gets optimized away if the delay is + * a constant) + */ + +extern unsigned long loops_per_jiffy; + +static inline void udelay(unsigned long usecs) +{ + usecs *= 4295; /* 2**32 / 1000000 */ + usecs /= (loops_per_jiffy*HZ); + if (usecs) + __delay(usecs); +} + +#endif /* _H8300_DELAY_H */ diff --git a/arch/h8300/include/asm/device.h b/arch/h8300/include/asm/device.h new file mode 100644 index 00000000..d8f9872b --- /dev/null +++ b/arch/h8300/include/asm/device.h @@ -0,0 +1,7 @@ +/* + * Arch specific extensions to struct device + * + * This file is released under the GPLv2 + */ +#include <asm-generic/device.h> + diff --git a/arch/h8300/include/asm/div64.h b/arch/h8300/include/asm/div64.h new file mode 100644 index 00000000..6cd978ce --- /dev/null +++ b/arch/h8300/include/asm/div64.h @@ -0,0 +1 @@ +#include <asm-generic/div64.h> diff --git a/arch/h8300/include/asm/dma.h b/arch/h8300/include/asm/dma.h new file mode 100644 index 00000000..3edbaaae --- /dev/null +++ b/arch/h8300/include/asm/dma.h @@ -0,0 +1,15 @@ +#ifndef _H8300_DMA_H +#define _H8300_DMA_H + + +/* + * Set number of channels of DMA on ColdFire for different implementations. + */ +#define MAX_DMA_CHANNELS 0 +#define MAX_DMA_ADDRESS PAGE_OFFSET + +/* These are in kernel/dma.c: */ +extern int request_dma(unsigned int dmanr, const char *device_id); /* reserve a DMA channel */ +extern void free_dma(unsigned int dmanr); /* release it again */ + +#endif /* _H8300_DMA_H */ diff --git a/arch/h8300/include/asm/elf.h b/arch/h8300/include/asm/elf.h new file mode 100644 index 00000000..6db71248 --- /dev/null +++ b/arch/h8300/include/asm/elf.h @@ -0,0 +1,101 @@ +#ifndef __ASMH8300_ELF_H +#define __ASMH8300_ELF_H + +/* + * ELF register definitions.. + */ + +#include <asm/ptrace.h> +#include <asm/user.h> + +typedef unsigned long elf_greg_t; + +#define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t)) +typedef elf_greg_t elf_gregset_t[ELF_NGREG]; +typedef unsigned long elf_fpregset_t; + +/* + * This is used to ensure we don't load something for the wrong architecture. + */ +#define elf_check_arch(x) ((x)->e_machine == EM_H8_300) + +/* + * These are used to set parameters in the core dumps. + */ +#define ELF_CLASS ELFCLASS32 +#define ELF_DATA ELFDATA2MSB +#define ELF_ARCH EM_H8_300 +#if defined(__H8300H__) +#define ELF_CORE_EFLAGS 0x810000 +#endif +#if defined(__H8300S__) +#define ELF_CORE_EFLAGS 0x820000 +#endif + +#define ELF_PLAT_INIT(_r) _r->er1 = 0 + +#define ELF_EXEC_PAGESIZE 4096 + +/* This is the location that an ET_DYN program is loaded if exec'ed. Typical + use of this is to invoke "./ld.so someprog" to test out a new version of + the loader. We need to make sure that it is out of the way of the program + that it will "exec", and that there is sufficient room for the brk. */ + +#define ELF_ET_DYN_BASE 0xD0000000UL + +/* This yields a mask that user programs can use to figure out what + instruction set this cpu supports. */ + +#define ELF_HWCAP (0) + +/* This yields a string that ld.so will use to load implementation + specific libraries for optimization. This is more specific in + intent than poking at uname or /proc/cpuinfo. */ + +#define ELF_PLATFORM (NULL) + +#define R_H8_NONE 0 +#define R_H8_DIR32 1 +#define R_H8_DIR32_28 2 +#define R_H8_DIR32_24 3 +#define R_H8_DIR32_16 4 +#define R_H8_DIR32U 6 +#define R_H8_DIR32U_28 7 +#define R_H8_DIR32U_24 8 +#define R_H8_DIR32U_20 9 +#define R_H8_DIR32U_16 10 +#define R_H8_DIR24 11 +#define R_H8_DIR24_20 12 +#define R_H8_DIR24_16 13 +#define R_H8_DIR24U 14 +#define R_H8_DIR24U_20 15 +#define R_H8_DIR24U_16 16 +#define R_H8_DIR16 17 +#define R_H8_DIR16U 18 +#define R_H8_DIR16S_32 19 +#define R_H8_DIR16S_28 20 +#define R_H8_DIR16S_24 21 +#define R_H8_DIR16S_20 22 +#define R_H8_DIR16S 23 +#define R_H8_DIR8 24 +#define R_H8_DIR8U 25 +#define R_H8_DIR8Z_32 26 +#define R_H8_DIR8Z_28 27 +#define R_H8_DIR8Z_24 28 +#define R_H8_DIR8Z_20 29 +#define R_H8_DIR8Z_16 30 +#define R_H8_PCREL16 31 +#define R_H8_PCREL8 32 +#define R_H8_BPOS 33 +#define R_H8_PCREL32 34 +#define R_H8_GOT32O 35 +#define R_H8_GOT16O 36 +#define R_H8_DIR16A8 59 +#define R_H8_DIR16R8 60 +#define R_H8_DIR24A8 61 +#define R_H8_DIR24R8 62 +#define R_H8_DIR32A16 63 +#define R_H8_ABS32 65 +#define R_H8_ABS32A16 127 + +#endif diff --git a/arch/h8300/include/asm/emergency-restart.h b/arch/h8300/include/asm/emergency-restart.h new file mode 100644 index 00000000..108d8c48 --- /dev/null +++ b/arch/h8300/include/asm/emergency-restart.h @@ -0,0 +1,6 @@ +#ifndef _ASM_EMERGENCY_RESTART_H +#define _ASM_EMERGENCY_RESTART_H + +#include <asm-generic/emergency-restart.h> + +#endif /* _ASM_EMERGENCY_RESTART_H */ diff --git a/arch/h8300/include/asm/fb.h b/arch/h8300/include/asm/fb.h new file mode 100644 index 00000000..c7df3803 --- /dev/null +++ b/arch/h8300/include/asm/fb.h @@ -0,0 +1,12 @@ +#ifndef _ASM_FB_H_ +#define _ASM_FB_H_ +#include <linux/fb.h> + +#define fb_pgprotect(...) do {} while (0) + +static inline int fb_is_primary_device(struct fb_info *info) +{ + return 0; +} + +#endif /* _ASM_FB_H_ */ diff --git a/arch/h8300/include/asm/flat.h b/arch/h8300/include/asm/flat.h new file mode 100644 index 00000000..bd12b31b --- /dev/null +++ b/arch/h8300/include/asm/flat.h @@ -0,0 +1,26 @@ +/* + * include/asm-h8300/flat.h -- uClinux flat-format executables + */ + +#ifndef __H8300_FLAT_H__ +#define __H8300_FLAT_H__ + +#define flat_argvp_envp_on_stack() 1 +#define flat_old_ram_flag(flags) 1 +#define flat_reloc_valid(reloc, size) ((reloc) <= (size)) +#define flat_set_persistent(relval, p) 0 + +/* + * on the H8 a couple of the relocations have an instruction in the + * top byte. As there can only be 24bits of address space, we just + * always preserve that 8bits at the top, when it isn't an instruction + * is is 0 (davidm@snapgear.com) + */ + +#define flat_get_relocate_addr(rel) (rel) +#define flat_get_addr_from_rp(rp, relval, flags, persistent) \ + (get_unaligned(rp) & ((flags & FLAT_FLAG_GOTPIC) ? 0xffffffff: 0x00ffffff)) +#define flat_put_addr_at_rp(rp, addr, rel) \ + put_unaligned (((*(char *)(rp)) << 24) | ((addr) & 0x00ffffff), rp) + +#endif /* __H8300_FLAT_H__ */ diff --git a/arch/h8300/include/asm/fpu.h b/arch/h8300/include/asm/fpu.h new file mode 100644 index 00000000..4fc416e8 --- /dev/null +++ b/arch/h8300/include/asm/fpu.h @@ -0,0 +1 @@ +/* Nothing do */ diff --git a/arch/h8300/include/asm/ftrace.h b/arch/h8300/include/asm/ftrace.h new file mode 100644 index 00000000..40a8c178 --- /dev/null +++ b/arch/h8300/include/asm/ftrace.h @@ -0,0 +1 @@ +/* empty */ diff --git a/arch/h8300/include/asm/futex.h b/arch/h8300/include/asm/futex.h new file mode 100644 index 00000000..6a332a9f --- /dev/null +++ b/arch/h8300/include/asm/futex.h @@ -0,0 +1,6 @@ +#ifndef _ASM_FUTEX_H +#define _ASM_FUTEX_H + +#include <asm-generic/futex.h> + +#endif diff --git a/arch/h8300/include/asm/gpio-internal.h b/arch/h8300/include/asm/gpio-internal.h new file mode 100644 index 00000000..a714f0c0 --- /dev/null +++ b/arch/h8300/include/asm/gpio-internal.h @@ -0,0 +1,52 @@ +#ifndef _H8300_GPIO_H +#define _H8300_GPIO_H + +#define H8300_GPIO_P1 0 +#define H8300_GPIO_P2 1 +#define H8300_GPIO_P3 2 +#define H8300_GPIO_P4 3 +#define H8300_GPIO_P5 4 +#define H8300_GPIO_P6 5 +#define H8300_GPIO_P7 6 +#define H8300_GPIO_P8 7 +#define H8300_GPIO_P9 8 +#define H8300_GPIO_PA 9 +#define H8300_GPIO_PB 10 +#define H8300_GPIO_PC 11 +#define H8300_GPIO_PD 12 +#define H8300_GPIO_PE 13 +#define H8300_GPIO_PF 14 +#define H8300_GPIO_PG 15 +#define H8300_GPIO_PH 16 + +#define H8300_GPIO_B7 0x80 +#define H8300_GPIO_B6 0x40 +#define H8300_GPIO_B5 0x20 +#define H8300_GPIO_B4 0x10 +#define H8300_GPIO_B3 0x08 +#define H8300_GPIO_B2 0x04 +#define H8300_GPIO_B1 0x02 +#define H8300_GPIO_B0 0x01 + +#define H8300_GPIO_INPUT 0 +#define H8300_GPIO_OUTPUT 1 + +#define H8300_GPIO_RESERVE(port, bits) \ + h8300_reserved_gpio(port, bits) + +#define H8300_GPIO_FREE(port, bits) \ + h8300_free_gpio(port, bits) + +#define H8300_GPIO_DDR(port, bit, dir) \ + h8300_set_gpio_dir(((port) << 8) | (bit), dir) + +#define H8300_GPIO_GETDIR(port, bit) \ + h8300_get_gpio_dir(((port) << 8) | (bit)) + +extern int h8300_reserved_gpio(int port, int bits); +extern int h8300_free_gpio(int port, int bits); +extern int h8300_set_gpio_dir(int port_bit, int dir); +extern int h8300_get_gpio_dir(int port_bit); +extern int h8300_init_gpio(void); + +#endif diff --git a/arch/h8300/include/asm/hardirq.h b/arch/h8300/include/asm/hardirq.h new file mode 100644 index 00000000..c2e1aa0f --- /dev/null +++ b/arch/h8300/include/asm/hardirq.h @@ -0,0 +1,19 @@ +#ifndef __H8300_HARDIRQ_H +#define __H8300_HARDIRQ_H + +#include <asm/irq.h> + +#define HARDIRQ_BITS 8 + +/* + * The hardirq mask has to be large enough to have + * space for potentially all IRQ sources in the system + * nesting on a single CPU: + */ +#if (1 << HARDIRQ_BITS) < NR_IRQS +# error HARDIRQ_BITS is too low! +#endif + +#include <asm-generic/hardirq.h> + +#endif diff --git a/arch/h8300/include/asm/hw_irq.h b/arch/h8300/include/asm/hw_irq.h new file mode 100644 index 00000000..d75a5a11 --- /dev/null +++ b/arch/h8300/include/asm/hw_irq.h @@ -0,0 +1 @@ +/* Do Nothing */ diff --git a/arch/h8300/include/asm/io.h b/arch/h8300/include/asm/io.h new file mode 100644 index 00000000..c1a8df22 --- /dev/null +++ b/arch/h8300/include/asm/io.h @@ -0,0 +1,358 @@ +#ifndef _H8300_IO_H +#define _H8300_IO_H + +#ifdef __KERNEL__ + +#include <asm/virtconvert.h> + +#if defined(CONFIG_H83007) || defined(CONFIG_H83068) +#include <asm/regs306x.h> +#elif defined(CONFIG_H8S2678) +#include <asm/regs267x.h> +#else +#error UNKNOWN CPU TYPE +#endif + + +/* + * These are for ISA/PCI shared memory _only_ and should never be used + * on any other type of memory, including Zorro memory. They are meant to + * access the bus in the bus byte order which is little-endian!. + * + * readX/writeX() are used to access memory mapped devices. On some + * architectures the memory mapped IO stuff needs to be accessed + * differently. On the m68k architecture, we just read/write the + * memory location directly. + */ +/* ++roman: The assignments to temp. vars avoid that gcc sometimes generates + * two accesses to memory, which may be undesirable for some devices. + */ + +/* + * swap functions are sometimes needed to interface little-endian hardware + */ + +static inline unsigned short _swapw(volatile unsigned short v) +{ +#ifndef H8300_IO_NOSWAP + unsigned short r; + __asm__("xor.b %w0,%x0\n\t" + "xor.b %x0,%w0\n\t" + "xor.b %w0,%x0" + :"=r"(r) + :"0"(v)); + return r; +#else + return v; +#endif +} + +static inline unsigned long _swapl(volatile unsigned long v) +{ +#ifndef H8300_IO_NOSWAP + unsigned long r; + __asm__("xor.b %w0,%x0\n\t" + "xor.b %x0,%w0\n\t" + "xor.b %w0,%x0\n\t" + "xor.w %e0,%f0\n\t" + "xor.w %f0,%e0\n\t" + "xor.w %e0,%f0\n\t" + "xor.b %w0,%x0\n\t" + "xor.b %x0,%w0\n\t" + "xor.b %w0,%x0" + :"=r"(r) + :"0"(v)); + return r; +#else + return v; +#endif +} + +#define readb(addr) \ + ({ unsigned char __v = \ + *(volatile unsigned char *)((unsigned long)(addr) & 0x00ffffff); \ + __v; }) +#define readw(addr) \ + ({ unsigned short __v = \ + *(volatile unsigned short *)((unsigned long)(addr) & 0x00ffffff); \ + __v; }) +#define readl(addr) \ + ({ unsigned long __v = \ + *(volatile unsigned long *)((unsigned long)(addr) & 0x00ffffff); \ + __v; }) + +#define writeb(b,addr) (void)((*(volatile unsigned char *) \ + ((unsigned long)(addr) & 0x00ffffff)) = (b)) +#define writew(b,addr) (void)((*(volatile unsigned short *) \ + ((unsigned long)(addr) & 0x00ffffff)) = (b)) +#define writel(b,addr) (void)((*(volatile unsigned long *) \ + ((unsigned long)(addr) & 0x00ffffff)) = (b)) +#define readb_relaxed(addr) readb(addr) +#define readw_relaxed(addr) readw(addr) +#define readl_relaxed(addr) readl(addr) + +#define __raw_readb readb +#define __raw_readw readw +#define __raw_readl readl +#define __raw_writeb writeb +#define __raw_writew writew +#define __raw_writel writel + +static inline int h8300_buswidth(unsigned int addr) +{ + return (*(volatile unsigned char *)ABWCR & (1 << ((addr >> 21) & 7))) == 0; +} + +static inline void io_outsb(unsigned int addr, const void *buf, int len) +{ + volatile unsigned char *ap_b = (volatile unsigned char *) addr; + volatile unsigned short *ap_w = (volatile unsigned short *) addr; + unsigned char *bp = (unsigned char *) buf; + + if(h8300_buswidth(addr) && (addr & 1)) { + while (len--) + *ap_w = *bp++; + } else { + while (len--) + *ap_b = *bp++; + } +} + +static inline void io_outsw(unsigned int addr, const void *buf, int len) +{ + volatile unsigned short *ap = (volatile unsigned short *) addr; + unsigned short *bp = (unsigned short *) buf; + while (len--) + *ap = _swapw(*bp++); +} + +static inline void io_outsl(unsigned int addr, const void *buf, int len) +{ + volatile unsigned long *ap = (volatile unsigned long *) addr; + unsigned long *bp = (unsigned long *) buf; + while (len--) + *ap = _swapl(*bp++); +} + +static inline void io_outsw_noswap(unsigned int addr, const void *buf, int len) +{ + volatile unsigned short *ap = (volatile unsigned short *) addr; + unsigned short *bp = (unsigned short *) buf; + while (len--) + *ap = *bp++; +} + +static inline void io_outsl_noswap(unsigned int addr, const void *buf, int len) +{ + volatile unsigned long *ap = (volatile unsigned long *) addr; + unsigned long *bp = (unsigned long *) buf; + while (len--) + *ap = *bp++; +} + +static inline void io_insb(unsigned int addr, void *buf, int len) +{ + volatile unsigned char *ap_b; + volatile unsigned short *ap_w; + unsigned char *bp = (unsigned char *) buf; + + if(h8300_buswidth(addr)) { + ap_w = (volatile unsigned short *)(addr & ~1); + while (len--) + *bp++ = *ap_w & 0xff; + } else { + ap_b = (volatile unsigned char *)addr; + while (len--) + *bp++ = *ap_b; + } +} + +static inline void io_insw(unsigned int addr, void *buf, int len) +{ + volatile unsigned short *ap = (volatile unsigned short *) addr; + unsigned short *bp = (unsigned short *) buf; + while (len--) + *bp++ = _swapw(*ap); +} + +static inline void io_insl(unsigned int addr, void *buf, int len) +{ + volatile unsigned long *ap = (volatile unsigned long *) addr; + unsigned long *bp = (unsigned long *) buf; + while (len--) + *bp++ = _swapl(*ap); +} + +static inline void io_insw_noswap(unsigned int addr, void *buf, int len) +{ + volatile unsigned short *ap = (volatile unsigned short *) addr; + unsigned short *bp = (unsigned short *) buf; + while (len--) + *bp++ = *ap; +} + +static inline void io_insl_noswap(unsigned int addr, void *buf, int len) +{ + volatile unsigned long *ap = (volatile unsigned long *) addr; + unsigned long *bp = (unsigned long *) buf; + while (len--) + *bp++ = *ap; +} + +/* + * make the short names macros so specific devices + * can override them as required + */ + +#define memset_io(a,b,c) memset((void *)(a),(b),(c)) +#define memcpy_fromio(a,b,c) memcpy((a),(void *)(b),(c)) +#define memcpy_toio(a,b,c) memcpy((void *)(a),(b),(c)) + +#define mmiowb() + +#define inb(addr) ((h8300_buswidth(addr))?readw((addr) & ~1) & 0xff:readb(addr)) +#define inw(addr) _swapw(readw(addr)) +#define inl(addr) _swapl(readl(addr)) +#define outb(x,addr) ((void)((h8300_buswidth(addr) && \ + ((addr) & 1))?writew(x,(addr) & ~1):writeb(x,addr))) +#define outw(x,addr) ((void) writew(_swapw(x),addr)) +#define outl(x,addr) ((void) writel(_swapl(x),addr)) + +#define inb_p(addr) inb(addr) +#define inw_p(addr) inw(addr) +#define inl_p(addr) inl(addr) +#define outb_p(x,addr) outb(x,addr) +#define outw_p(x,addr) outw(x,addr) +#define outl_p(x,addr) outl(x,addr) + +#define outsb(a,b,l) io_outsb(a,b,l) +#define outsw(a,b,l) io_outsw(a,b,l) +#define outsl(a,b,l) io_outsl(a,b,l) + +#define insb(a,b,l) io_insb(a,b,l) +#define insw(a,b,l) io_insw(a,b,l) +#define insl(a,b,l) io_insl(a,b,l) + +#define IO_SPACE_LIMIT 0xffffff + + +/* Values for nocacheflag and cmode */ +#define IOMAP_FULL_CACHING 0 +#define IOMAP_NOCACHE_SER 1 +#define IOMAP_NOCACHE_NONSER 2 +#define IOMAP_WRITETHROUGH 3 + +extern void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag); +extern void __iounmap(void *addr, unsigned long size); + +static inline void *ioremap(unsigned long physaddr, unsigned long size) +{ + return __ioremap(physaddr, size, IOMAP_NOCACHE_SER); +} +static inline void *ioremap_nocache(unsigned long physaddr, unsigned long size) +{ + return __ioremap(physaddr, size, IOMAP_NOCACHE_SER); +} +static inline void *ioremap_writethrough(unsigned long physaddr, unsigned long size) +{ + return __ioremap(physaddr, size, IOMAP_WRITETHROUGH); +} +static inline void *ioremap_fullcache(unsigned long physaddr, unsigned long size) +{ + return __ioremap(physaddr, size, IOMAP_FULL_CACHING); +} + +extern void iounmap(void *addr); + +/* H8/300 internal I/O functions */ +static __inline__ unsigned char ctrl_inb(unsigned long addr) +{ + return *(volatile unsigned char*)addr; +} + +static __inline__ unsigned short ctrl_inw(unsigned long addr) +{ + return *(volatile unsigned short*)addr; +} + +static __inline__ unsigned long ctrl_inl(unsigned long addr) +{ + return *(volatile unsigned long*)addr; +} + +static __inline__ void ctrl_outb(unsigned char b, unsigned long addr) +{ + *(volatile unsigned char*)addr = b; +} + +static __inline__ void ctrl_outw(unsigned short b, unsigned long addr) +{ + *(volatile unsigned short*)addr = b; +} + +static __inline__ void ctrl_outl(unsigned long b, unsigned long addr) +{ + *(volatile unsigned long*)addr = b; +} + +static __inline__ void ctrl_bclr(int b, unsigned long addr) +{ + if (__builtin_constant_p(b)) + switch (b) { + case 0: __asm__("bclr #0,@%0"::"r"(addr)); break; + case 1: __asm__("bclr #1,@%0"::"r"(addr)); break; + case 2: __asm__("bclr #2,@%0"::"r"(addr)); break; + case 3: __asm__("bclr #3,@%0"::"r"(addr)); break; + case 4: __asm__("bclr #4,@%0"::"r"(addr)); break; + case 5: __asm__("bclr #5,@%0"::"r"(addr)); break; + case 6: __asm__("bclr #6,@%0"::"r"(addr)); break; + case 7: __asm__("bclr #7,@%0"::"r"(addr)); break; + } + else + __asm__("bclr %w0,@%1"::"r"(b), "r"(addr)); +} + +static __inline__ void ctrl_bset(int b, unsigned long addr) +{ + if (__builtin_constant_p(b)) + switch (b) { + case 0: __asm__("bset #0,@%0"::"r"(addr)); break; + case 1: __asm__("bset #1,@%0"::"r"(addr)); break; + case 2: __asm__("bset #2,@%0"::"r"(addr)); break; + case 3: __asm__("bset #3,@%0"::"r"(addr)); break; + case 4: __asm__("bset #4,@%0"::"r"(addr)); break; + case 5: __asm__("bset #5,@%0"::"r"(addr)); break; + case 6: __asm__("bset #6,@%0"::"r"(addr)); break; + case 7: __asm__("bset #7,@%0"::"r"(addr)); break; + } + else + __asm__("bset %w0,@%1"::"r"(b), "r"(addr)); +} + +/* Pages to physical address... */ +#define page_to_phys(page) ((page - mem_map) << PAGE_SHIFT) +#define page_to_bus(page) ((page - mem_map) << PAGE_SHIFT) + +/* + * Macros used for converting between virtual and physical mappings. + */ +#define phys_to_virt(vaddr) ((void *) (vaddr)) +#define virt_to_phys(vaddr) ((unsigned long) (vaddr)) + +#define virt_to_bus virt_to_phys +#define bus_to_virt phys_to_virt + +/* + * Convert a physical pointer to a virtual kernel pointer for /dev/mem + * access + */ +#define xlate_dev_mem_ptr(p) __va(p) + +/* + * Convert a virtual cached pointer to an uncached pointer + */ +#define xlate_dev_kmem_ptr(p) p + +#endif /* __KERNEL__ */ + +#endif /* _H8300_IO_H */ diff --git a/arch/h8300/include/asm/irq.h b/arch/h8300/include/asm/irq.h new file mode 100644 index 00000000..13d7c601 --- /dev/null +++ b/arch/h8300/include/asm/irq.h @@ -0,0 +1,49 @@ +#ifndef _H8300_IRQ_H_ +#define _H8300_IRQ_H_ + +#include <asm/ptrace.h> + +#if defined(CONFIG_CPU_H8300H) +#define NR_IRQS 64 +#define EXT_IRQ0 12 +#define EXT_IRQ1 13 +#define EXT_IRQ2 14 +#define EXT_IRQ3 15 +#define EXT_IRQ4 16 +#define EXT_IRQ5 17 +#define EXT_IRQ6 18 +#define EXT_IRQ7 19 +#define EXT_IRQS 5 +#define IER_REGS *(volatile unsigned char *)IER +#endif +#if defined(CONFIG_CPU_H8S) +#define NR_IRQS 128 +#define EXT_IRQ0 16 +#define EXT_IRQ1 17 +#define EXT_IRQ2 18 +#define EXT_IRQ3 19 +#define EXT_IRQ4 20 +#define EXT_IRQ5 21 +#define EXT_IRQ6 22 +#define EXT_IRQ7 23 +#define EXT_IRQ8 24 +#define EXT_IRQ9 25 +#define EXT_IRQ10 26 +#define EXT_IRQ11 27 +#define EXT_IRQ12 28 +#define EXT_IRQ13 29 +#define EXT_IRQ14 30 +#define EXT_IRQ15 31 +#define EXT_IRQS 15 + +#define IER_REGS *(volatile unsigned short *)IER +#endif + +static __inline__ int irq_canonicalize(int irq) +{ + return irq; +} + +typedef void (*h8300_vector)(void); + +#endif /* _H8300_IRQ_H_ */ diff --git a/arch/h8300/include/asm/irq_regs.h b/arch/h8300/include/asm/irq_regs.h new file mode 100644 index 00000000..3dd9c0b7 --- /dev/null +++ b/arch/h8300/include/asm/irq_regs.h @@ -0,0 +1 @@ +#include <asm-generic/irq_regs.h> diff --git a/arch/h8300/include/asm/irqflags.h b/arch/h8300/include/asm/irqflags.h new file mode 100644 index 00000000..9617cd57 --- /dev/null +++ b/arch/h8300/include/asm/irqflags.h @@ -0,0 +1,43 @@ +#ifndef _H8300_IRQFLAGS_H +#define _H8300_IRQFLAGS_H + +static inline unsigned long arch_local_save_flags(void) +{ + unsigned long flags; + asm volatile ("stc ccr,%w0" : "=r" (flags)); + return flags; +} + +static inline void arch_local_irq_disable(void) +{ + asm volatile ("orc #0x80,ccr" : : : "memory"); +} + +static inline void arch_local_irq_enable(void) +{ + asm volatile ("andc #0x7f,ccr" : : : "memory"); +} + +static inline unsigned long arch_local_irq_save(void) +{ + unsigned long flags = arch_local_save_flags(); + arch_local_irq_disable(); + return flags; +} + +static inline void arch_local_irq_restore(unsigned long flags) +{ + asm volatile ("ldc %w0,ccr" : : "r" (flags) : "memory"); +} + +static inline bool arch_irqs_disabled_flags(unsigned long flags) +{ + return (flags & 0x80) == 0x80; +} + +static inline bool arch_irqs_disabled(void) +{ + return arch_irqs_disabled_flags(arch_local_save_flags()); +} + +#endif /* _H8300_IRQFLAGS_H */ diff --git a/arch/h8300/include/asm/kdebug.h b/arch/h8300/include/asm/kdebug.h new file mode 100644 index 00000000..6ece1b03 --- /dev/null +++ b/arch/h8300/include/asm/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/arch/h8300/include/asm/kmap_types.h b/arch/h8300/include/asm/kmap_types.h new file mode 100644 index 00000000..be12a716 --- /dev/null +++ b/arch/h8300/include/asm/kmap_types.h @@ -0,0 +1,6 @@ +#ifndef _ASM_H8300_KMAP_TYPES_H +#define _ASM_H8300_KMAP_TYPES_H + +#include <asm-generic/kmap_types.h> + +#endif diff --git a/arch/h8300/include/asm/linkage.h b/arch/h8300/include/asm/linkage.h new file mode 100644 index 00000000..1d81604f --- /dev/null +++ b/arch/h8300/include/asm/linkage.h @@ -0,0 +1,6 @@ +#ifndef _H8300_LINKAGE_H +#define _H8300_LINKAGE_H + +#undef SYMBOL_NAME_LABEL +#define SYMBOL_NAME_LABEL(_name_) _##_name_##: +#endif diff --git a/arch/h8300/include/asm/local.h b/arch/h8300/include/asm/local.h new file mode 100644 index 00000000..fdd4efe4 --- /dev/null +++ b/arch/h8300/include/asm/local.h @@ -0,0 +1,6 @@ +#ifndef _H8300_LOCAL_H_ +#define _H8300_LOCAL_H_ + +#include <asm-generic/local.h> + +#endif diff --git a/arch/h8300/include/asm/local64.h b/arch/h8300/include/asm/local64.h new file mode 100644 index 00000000..36c93b5c --- /dev/null +++ b/arch/h8300/include/asm/local64.h @@ -0,0 +1 @@ +#include <asm-generic/local64.h> diff --git a/arch/h8300/include/asm/mc146818rtc.h b/arch/h8300/include/asm/mc146818rtc.h new file mode 100644 index 00000000..ab9d9646 --- /dev/null +++ b/arch/h8300/include/asm/mc146818rtc.h @@ -0,0 +1,9 @@ +/* + * Machine dependent access functions for RTC registers. + */ +#ifndef _H8300_MC146818RTC_H +#define _H8300_MC146818RTC_H + +/* empty include file to satisfy the include in genrtc.c/ide-geometry.c */ + +#endif /* _H8300_MC146818RTC_H */ diff --git a/arch/h8300/include/asm/mmu_context.h b/arch/h8300/include/asm/mmu_context.h new file mode 100644 index 00000000..f44b730d --- /dev/null +++ b/arch/h8300/include/asm/mmu_context.h @@ -0,0 +1,32 @@ +#ifndef __H8300_MMU_CONTEXT_H +#define __H8300_MMU_CONTEXT_H + +#include <asm/setup.h> +#include <asm/page.h> +#include <asm/pgalloc.h> +#include <asm-generic/mm_hooks.h> + +static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) +{ +} + +static inline int +init_new_context(struct task_struct *tsk, struct mm_struct *mm) +{ + // mm->context = virt_to_phys(mm->pgd); + return(0); +} + +#define destroy_context(mm) do { } while(0) +#define deactivate_mm(tsk,mm) do { } while(0) + +static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, struct task_struct *tsk) +{ +} + +static inline void activate_mm(struct mm_struct *prev_mm, + struct mm_struct *next_mm) +{ +} + +#endif diff --git a/arch/h8300/include/asm/mutex.h b/arch/h8300/include/asm/mutex.h new file mode 100644 index 00000000..458c1f7f --- /dev/null +++ b/arch/h8300/include/asm/mutex.h @@ -0,0 +1,9 @@ +/* + * Pull in the generic implementation for the mutex fastpath. + * + * TODO: implement optimized primitives instead, or leave the generic + * implementation in place, or pick the atomic_xchg() based generic + * implementation. (see asm-generic/mutex-xchg.h for details) + */ + +#include <asm-generic/mutex-dec.h> diff --git a/arch/h8300/include/asm/page.h b/arch/h8300/include/asm/page.h new file mode 100644 index 00000000..837381a2 --- /dev/null +++ b/arch/h8300/include/asm/page.h @@ -0,0 +1,78 @@ +#ifndef _H8300_PAGE_H +#define _H8300_PAGE_H + +/* PAGE_SHIFT determines the page size */ + +#define PAGE_SHIFT (12) +#define PAGE_SIZE (1UL << PAGE_SHIFT) +#define PAGE_MASK (~(PAGE_SIZE-1)) + +#include <asm/setup.h> + +#ifndef __ASSEMBLY__ + +#define get_user_page(vaddr) __get_free_page(GFP_KERNEL) +#define free_user_page(page, addr) free_page(addr) + +#define clear_page(page) memset((page), 0, PAGE_SIZE) +#define copy_page(to,from) memcpy((to), (from), PAGE_SIZE) + +#define clear_user_page(page, vaddr, pg) clear_page(page) +#define copy_user_page(to, from, vaddr, pg) copy_page(to, from) + +#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \ + alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr) +#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE + +/* + * These are used to make use of C type-checking.. + */ +typedef struct { unsigned long pte; } pte_t; +typedef struct { unsigned long pmd[16]; } pmd_t; +typedef struct { unsigned long pgd; } pgd_t; +typedef struct { unsigned long pgprot; } pgprot_t; +typedef struct page *pgtable_t; + +#define pte_val(x) ((x).pte) +#define pmd_val(x) ((&x)->pmd[0]) +#define pgd_val(x) ((x).pgd) +#define pgprot_val(x) ((x).pgprot) + +#define __pte(x) ((pte_t) { (x) } ) +#define __pmd(x) ((pmd_t) { (x) } ) +#define __pgd(x) ((pgd_t) { (x) } ) +#define __pgprot(x) ((pgprot_t) { (x) } ) + +extern unsigned long memory_start; +extern unsigned long memory_end; + +#endif /* !__ASSEMBLY__ */ + +#include <asm/page_offset.h> + +#define PAGE_OFFSET (PAGE_OFFSET_RAW) + +#ifndef __ASSEMBLY__ + +#define __pa(vaddr) virt_to_phys(vaddr) +#define __va(paddr) phys_to_virt((unsigned long)paddr) + +#define virt_to_pfn(kaddr) (__pa(kaddr) >> PAGE_SHIFT) +#define pfn_to_virt(pfn) __va((pfn) << PAGE_SHIFT) + +#define MAP_NR(addr) (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT) +#define virt_to_page(addr) (mem_map + (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT)) +#define page_to_virt(page) ((((page) - mem_map) << PAGE_SHIFT) + PAGE_OFFSET) +#define pfn_valid(page) (page < max_mapnr) + +#define ARCH_PFN_OFFSET (PAGE_OFFSET >> PAGE_SHIFT) + +#define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \ + ((void *)(kaddr) < (void *)memory_end)) + +#endif /* __ASSEMBLY__ */ + +#include <asm-generic/memory_model.h> +#include <asm-generic/getorder.h> + +#endif /* _H8300_PAGE_H */ diff --git a/arch/h8300/include/asm/page_offset.h b/arch/h8300/include/asm/page_offset.h new file mode 100644 index 00000000..f8706463 --- /dev/null +++ b/arch/h8300/include/asm/page_offset.h @@ -0,0 +1,3 @@ + +#define PAGE_OFFSET_RAW 0x00000000 + diff --git a/arch/h8300/include/asm/param.h b/arch/h8300/include/asm/param.h new file mode 100644 index 00000000..c3909e7f --- /dev/null +++ b/arch/h8300/include/asm/param.h @@ -0,0 +1,9 @@ +#ifndef _H8300_PARAM_H +#define _H8300_PARAM_H + +#include <uapi/asm/param.h> + +#define HZ CONFIG_HZ +#define USER_HZ HZ +#define CLOCKS_PER_SEC (USER_HZ) +#endif /* _H8300_PARAM_H */ diff --git a/arch/h8300/include/asm/pci.h b/arch/h8300/include/asm/pci.h new file mode 100644 index 00000000..0b2acaa3 --- /dev/null +++ b/arch/h8300/include/asm/pci.h @@ -0,0 +1,19 @@ +#ifndef _ASM_H8300_PCI_H +#define _ASM_H8300_PCI_H + +/* + * asm-h8300/pci.h - H8/300 specific PCI declarations. + * + * Yoshinori Sato <ysato@users.sourceforge.jp> + */ + +#define pcibios_assign_all_busses() 0 + +static inline void pcibios_penalize_isa_irq(int irq, int active) +{ + /* We don't do dynamic PCI IRQ allocation */ +} + +#define PCI_DMA_BUS_IS_PHYS (1) + +#endif /* _ASM_H8300_PCI_H */ diff --git a/arch/h8300/include/asm/percpu.h b/arch/h8300/include/asm/percpu.h new file mode 100644 index 00000000..72c03e36 --- /dev/null +++ b/arch/h8300/include/asm/percpu.h @@ -0,0 +1,6 @@ +#ifndef __ARCH_H8300_PERCPU__ +#define __ARCH_H8300_PERCPU__ + +#include <asm-generic/percpu.h> + +#endif /* __ARCH_H8300_PERCPU__ */ diff --git a/arch/h8300/include/asm/pgalloc.h b/arch/h8300/include/asm/pgalloc.h new file mode 100644 index 00000000..c2e89a28 --- /dev/null +++ b/arch/h8300/include/asm/pgalloc.h @@ -0,0 +1,8 @@ +#ifndef _H8300_PGALLOC_H +#define _H8300_PGALLOC_H + +#include <asm/setup.h> + +#define check_pgt_cache() do { } while (0) + +#endif /* _H8300_PGALLOC_H */ diff --git a/arch/h8300/include/asm/pgtable.h b/arch/h8300/include/asm/pgtable.h new file mode 100644 index 00000000..62ef1767 --- /dev/null +++ b/arch/h8300/include/asm/pgtable.h @@ -0,0 +1,76 @@ +#ifndef _H8300_PGTABLE_H +#define _H8300_PGTABLE_H + +#include <asm-generic/4level-fixup.h> + +#include <linux/slab.h> +#include <asm/processor.h> +#include <asm/page.h> +#include <asm/io.h> + +#define pgd_present(pgd) (1) /* pages are always present on NO_MM */ +#define pgd_none(pgd) (0) +#define pgd_bad(pgd) (0) +#define pgd_clear(pgdp) +#define kern_addr_valid(addr) (1) +#define pmd_offset(a, b) ((void *)0) +#define pmd_none(pmd) (1) +#define pgd_offset_k(adrdress) ((pgd_t *)0) +#define pte_offset_kernel(dir, address) ((pte_t *)0) + +#define PAGE_NONE __pgprot(0) /* these mean nothing to NO_MM */ +#define PAGE_SHARED __pgprot(0) /* these mean nothing to NO_MM */ +#define PAGE_COPY __pgprot(0) /* these mean nothing to NO_MM */ +#define PAGE_READONLY __pgprot(0) /* these mean nothing to NO_MM */ +#define PAGE_KERNEL __pgprot(0) /* these mean nothing to NO_MM */ + +extern void paging_init(void); +#define swapper_pg_dir ((pgd_t *) 0) + +#define __swp_type(x) (0) +#define __swp_offset(x) (0) +#define __swp_entry(typ,off) ((swp_entry_t) { ((typ) | ((off) << 7)) }) +#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) +#define __swp_entry_to_pte(x) ((pte_t) { (x).val }) + +static inline int pte_file(pte_t pte) { return 0; } + +/* + * ZERO_PAGE is a global shared page that is always zero: used + * for zero-mapped memory areas etc.. + */ +#define ZERO_PAGE(vaddr) (virt_to_page(0)) + +/* + * These would be in other places but having them here reduces the diffs. + */ +extern unsigned int kobjsize(const void *objp); +extern int is_in_rom(unsigned long); + +/* + * No page table caches to initialise + */ +#define pgtable_cache_init() do { } while (0) + +#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ + remap_pfn_range(vma, vaddr, pfn, size, prot) + +/* + * All 32bit addresses are effectively valid for vmalloc... + * Sort of meaningless for non-VM targets. + */ +#define VMALLOC_START 0 +#define VMALLOC_END 0xffffffff + +/* + * All 32bit addresses are effectively valid for vmalloc... + * Sort of meaningless for non-VM targets. + */ +#define VMALLOC_START 0 +#define VMALLOC_END 0xffffffff + +#define arch_enter_lazy_cpu_mode() do {} while (0) + +#include <asm-generic/pgtable.h> + +#endif /* _H8300_PGTABLE_H */ diff --git a/arch/h8300/include/asm/processor.h b/arch/h8300/include/asm/processor.h new file mode 100644 index 00000000..4b0ca49b --- /dev/null +++ b/arch/h8300/include/asm/processor.h @@ -0,0 +1,139 @@ +/* + * include/asm-h8300/processor.h + * + * Copyright (C) 2002 Yoshinori Sato + * + * Based on: linux/asm-m68nommu/processor.h + * + * Copyright (C) 1995 Hamish Macdonald + */ + +#ifndef __ASM_H8300_PROCESSOR_H +#define __ASM_H8300_PROCESSOR_H + +/* + * Default implementation of macro that returns current + * instruction pointer ("program counter"). + */ +#define current_text_addr() ({ __label__ _l; _l: &&_l;}) + +#include <linux/compiler.h> +#include <asm/segment.h> +#include <asm/fpu.h> +#include <asm/ptrace.h> +#include <asm/current.h> + +static inline unsigned long rdusp(void) { + extern unsigned int sw_usp; + return(sw_usp); +} + +static inline void wrusp(unsigned long usp) { + extern unsigned int sw_usp; + sw_usp = usp; +} + +/* + * User space process size: 3.75GB. This is hardcoded into a few places, + * so don't change it unless you know what you are doing. + */ +#define TASK_SIZE (0xFFFFFFFFUL) + +#ifdef __KERNEL__ +#define STACK_TOP TASK_SIZE +#define STACK_TOP_MAX STACK_TOP +#endif + +/* + * This decides where the kernel will search for a free chunk of vm + * space during mmap's. We won't be using it + */ +#define TASK_UNMAPPED_BASE 0 + +struct thread_struct { + unsigned long ksp; /* kernel stack pointer */ + unsigned long usp; /* user stack pointer */ + unsigned long ccr; /* saved status register */ + unsigned long esp0; /* points to SR of stack frame */ + struct { + unsigned short *addr; + unsigned short inst; + } breakinfo; +}; + +#define INIT_THREAD { \ + .ksp = sizeof(init_stack) + (unsigned long)init_stack, \ + .usp = 0, \ + .ccr = PS_S, \ + .esp0 = 0, \ + .breakinfo = { \ + .addr = (unsigned short *)-1, \ + .inst = 0 \ + } \ +} + +/* + * Do necessary setup to start up a newly executed thread. + * + * pass the data segment into user programs if it exists, + * it can't hurt anything as far as I can tell + */ +#if defined(__H8300H__) +#define start_thread(_regs, _pc, _usp) \ +do { \ + (_regs)->pc = (_pc); \ + (_regs)->ccr = 0x00; /* clear all flags */ \ + (_regs)->er5 = current->mm->start_data; /* GOT base */ \ + wrusp((unsigned long)(_usp) - sizeof(unsigned long)*3); \ +} while(0) +#endif +#if defined(__H8300S__) +#define start_thread(_regs, _pc, _usp) \ +do { \ + (_regs)->pc = (_pc); \ + (_regs)->ccr = 0x00; /* clear kernel flag */ \ + (_regs)->exr = 0x78; /* enable all interrupts */ \ + (_regs)->er5 = current->mm->start_data; /* GOT base */ \ + /* 14 = space for retaddr(4), vector(4), er0(4) and ext(2) on stack */ \ + wrusp(((unsigned long)(_usp)) - 14); \ +} while(0) +#endif + +/* Forward declaration, a strange C thing */ +struct task_struct; + +/* Free all resources held by a thread. */ +static inline void release_thread(struct task_struct *dead_task) +{ +} + +/* + * Free current thread data structures etc.. + */ +static inline void exit_thread(void) +{ +} + +/* + * Return saved PC of a blocked thread. + */ +unsigned long thread_saved_pc(struct task_struct *tsk); +unsigned long get_wchan(struct task_struct *p); + +#define KSTK_EIP(tsk) \ + ({ \ + unsigned long eip = 0; \ + if ((tsk)->thread.esp0 > PAGE_SIZE && \ + MAP_NR((tsk)->thread.esp0) < max_mapnr) \ + eip = ((struct pt_regs *) (tsk)->thread.esp0)->pc; \ + eip; }) +#define KSTK_ESP(tsk) ((tsk) == current ? rdusp() : (tsk)->thread.usp) + +#define cpu_relax() barrier() + +#define HARD_RESET_NOW() ({ \ + local_irq_disable(); \ + asm("jmp @@0"); \ +}) + +#endif diff --git a/arch/h8300/include/asm/ptrace.h b/arch/h8300/include/asm/ptrace.h new file mode 100644 index 00000000..c1826b95 --- /dev/null +++ b/arch/h8300/include/asm/ptrace.h @@ -0,0 +1,33 @@ +#ifndef _H8300_PTRACE_H +#define _H8300_PTRACE_H + +#include <uapi/asm/ptrace.h> + +#ifndef __ASSEMBLY__ +#if defined(CONFIG_CPU_H8S) +#endif +#ifndef PS_S +#define PS_S (0x10) +#endif + +#if defined(__H8300H__) +#define H8300_REGS_NO 11 +#endif +#if defined(__H8300S__) +#define H8300_REGS_NO 12 +#endif + +/* Find the stack offset for a register, relative to thread.esp0. */ +#define PT_REG(reg) ((long)&((struct pt_regs *)0)->reg) + +#define arch_has_single_step() (1) + +#define user_mode(regs) (!((regs)->ccr & PS_S)) +#define instruction_pointer(regs) ((regs)->pc) +#define profile_pc(regs) instruction_pointer(regs) +#define current_pt_regs() ((struct pt_regs *) \ + (THREAD_SIZE + (unsigned long)current_thread_info()) - 1) +#define signal_pt_regs() ((struct pt_regs *)current->thread.esp0) +#define current_user_stack_pointer() rdusp() +#endif /* __ASSEMBLY__ */ +#endif /* _H8300_PTRACE_H */ diff --git a/arch/h8300/include/asm/regs267x.h b/arch/h8300/include/asm/regs267x.h new file mode 100644 index 00000000..1bff731a --- /dev/null +++ b/arch/h8300/include/asm/regs267x.h @@ -0,0 +1,336 @@ +/* internal Peripherals Register address define */ +/* CPU: H8/306x */ + +#if !defined(__REGS_H8S267x__) +#define __REGS_H8S267x__ + +#if defined(__KERNEL__) + +#define DASTCR 0xFEE01A +#define DADR0 0xFFFFA4 +#define DADR1 0xFFFFA5 +#define DACR01 0xFFFFA6 +#define DADR2 0xFFFFA8 +#define DADR3 0xFFFFA9 +#define DACR23 0xFFFFAA + +#define ADDRA 0xFFFF90 +#define ADDRAH 0xFFFF90 +#define ADDRAL 0xFFFF91 +#define ADDRB 0xFFFF92 +#define ADDRBH 0xFFFF92 +#define ADDRBL 0xFFFF93 +#define ADDRC 0xFFFF94 +#define ADDRCH 0xFFFF94 +#define ADDRCL 0xFFFF95 +#define ADDRD 0xFFFF96 +#define ADDRDH 0xFFFF96 +#define ADDRDL 0xFFFF97 +#define ADDRE 0xFFFF98 +#define ADDREH 0xFFFF98 +#define ADDREL 0xFFFF99 +#define ADDRF 0xFFFF9A +#define ADDRFH 0xFFFF9A +#define ADDRFL 0xFFFF9B +#define ADDRG 0xFFFF9C +#define ADDRGH 0xFFFF9C +#define ADDRGL 0xFFFF9D +#define ADDRH 0xFFFF9E +#define ADDRHH 0xFFFF9E +#define ADDRHL 0xFFFF9F + +#define ADCSR 0xFFFFA0 +#define ADCR 0xFFFFA1 + +#define ABWCR 0xFFFEC0 +#define ASTCR 0xFFFEC1 +#define WTCRAH 0xFFFEC2 +#define WTCRAL 0xFFFEC3 +#define WTCRBH 0xFFFEC4 +#define WTCRBL 0xFFFEC5 +#define RDNCR 0xFFFEC6 +#define CSACRH 0xFFFEC8 +#define CSACRL 0xFFFEC9 +#define BROMCRH 0xFFFECA +#define BROMCRL 0xFFFECB +#define BCR 0xFFFECC +#define DRAMCR 0xFFFED0 +#define DRACCR 0xFFFED2 +#define REFCR 0xFFFED4 +#define RTCNT 0xFFFED6 +#define RTCOR 0xFFFED7 + +#define MAR0AH 0xFFFEE0 +#define MAR0AL 0xFFFEE2 +#define IOAR0A 0xFFFEE4 +#define ETCR0A 0xFFFEE6 +#define MAR0BH 0xFFFEE8 +#define MAR0BL 0xFFFEEA +#define IOAR0B 0xFFFEEC +#define ETCR0B 0xFFFEEE +#define MAR1AH 0xFFFEF0 +#define MAR1AL 0xFFFEF2 +#define IOAR1A 0xFFFEF4 +#define ETCR1A 0xFFFEF6 +#define MAR1BH 0xFFFEF8 +#define MAR1BL 0xFFFEFA +#define IOAR1B 0xFFFEFC +#define ETCR1B 0xFFFEFE +#define DMAWER 0xFFFF20 +#define DMATCR 0xFFFF21 +#define DMACR0A 0xFFFF22 +#define DMACR0B 0xFFFF23 +#define DMACR1A 0xFFFF24 +#define DMACR1B 0xFFFF25 +#define DMABCRH 0xFFFF26 +#define DMABCRL 0xFFFF27 + +#define EDSAR0 0xFFFDC0 +#define EDDAR0 0xFFFDC4 +#define EDTCR0 0xFFFDC8 +#define EDMDR0 0xFFFDCC +#define EDMDR0H 0xFFFDCC +#define EDMDR0L 0xFFFDCD +#define EDACR0 0xFFFDCE +#define EDSAR1 0xFFFDD0 +#define EDDAR1 0xFFFDD4 +#define EDTCR1 0xFFFDD8 +#define EDMDR1 0xFFFDDC +#define EDMDR1H 0xFFFDDC +#define EDMDR1L 0xFFFDDD +#define EDACR1 0xFFFDDE +#define EDSAR2 0xFFFDE0 +#define EDDAR2 0xFFFDE4 +#define EDTCR2 0xFFFDE8 +#define EDMDR2 0xFFFDEC +#define EDMDR2H 0xFFFDEC +#define EDMDR2L 0xFFFDED +#define EDACR2 0xFFFDEE +#define EDSAR3 0xFFFDF0 +#define EDDAR3 0xFFFDF4 +#define EDTCR3 0xFFFDF8 +#define EDMDR3 0xFFFDFC +#define EDMDR3H 0xFFFDFC +#define EDMDR3L 0xFFFDFD +#define EDACR3 0xFFFDFE + +#define IPRA 0xFFFE00 +#define IPRB 0xFFFE02 +#define IPRC 0xFFFE04 +#define IPRD 0xFFFE06 +#define IPRE 0xFFFE08 +#define IPRF 0xFFFE0A +#define IPRG 0xFFFE0C +#define IPRH 0xFFFE0E +#define IPRI 0xFFFE10 +#define IPRJ 0xFFFE12 +#define IPRK 0xFFFE14 +#define ITSR 0xFFFE16 +#define SSIER 0xFFFE18 +#define ISCRH 0xFFFE1A +#define ISCRL 0xFFFE1C + +#define INTCR 0xFFFF31 +#define IER 0xFFFF32 +#define IERH 0xFFFF32 +#define IERL 0xFFFF33 +#define ISR 0xFFFF34 +#define ISRH 0xFFFF34 +#define ISRL 0xFFFF35 + +#define P1DDR 0xFFFE20 +#define P2DDR 0xFFFE21 +#define P3DDR 0xFFFE22 +#define P4DDR 0xFFFE23 +#define P5DDR 0xFFFE24 +#define P6DDR 0xFFFE25 +#define P7DDR 0xFFFE26 +#define P8DDR 0xFFFE27 +#define P9DDR 0xFFFE28 +#define PADDR 0xFFFE29 +#define PBDDR 0xFFFE2A +#define PCDDR 0xFFFE2B +#define PDDDR 0xFFFE2C +#define PEDDR 0xFFFE2D +#define PFDDR 0xFFFE2E +#define PGDDR 0xFFFE2F +#define PHDDR 0xFFFF74 + +#define PFCR0 0xFFFE32 +#define PFCR1 0xFFFE33 +#define PFCR2 0xFFFE34 + +#define PAPCR 0xFFFE36 +#define PBPCR 0xFFFE37 +#define PCPCR 0xFFFE38 +#define PDPCR 0xFFFE39 +#define PEPCR 0xFFFE3A + +#define P3ODR 0xFFFE3C +#define PAODR 0xFFFE3D + +#define P1DR 0xFFFF60 +#define P2DR 0xFFFF61 +#define P3DR 0xFFFF62 +#define P4DR 0xFFFF63 +#define P5DR 0xFFFF64 +#define P6DR 0xFFFF65 +#define P7DR 0xFFFF66 +#define P8DR 0xFFFF67 +#define P9DR 0xFFFF68 +#define PADR 0xFFFF69 +#define PBDR 0xFFFF6A +#define PCDR 0xFFFF6B +#define PDDR 0xFFFF6C +#define PEDR 0xFFFF6D +#define PFDR 0xFFFF6E +#define PGDR 0xFFFF6F +#define PHDR 0xFFFF72 + +#define PORT1 0xFFFF50 +#define PORT2 0xFFFF51 +#define PORT3 0xFFFF52 +#define PORT4 0xFFFF53 +#define PORT5 0xFFFF54 +#define PORT6 0xFFFF55 +#define PORT7 0xFFFF56 +#define PORT8 0xFFFF57 +#define PORT9 0xFFFF58 +#define PORTA 0xFFFF59 +#define PORTB 0xFFFF5A +#define PORTC 0xFFFF5B +#define PORTD 0xFFFF5C +#define PORTE 0xFFFF5D +#define PORTF 0xFFFF5E +#define PORTG 0xFFFF5F +#define PORTH 0xFFFF70 + +#define PCR 0xFFFF46 +#define PMR 0xFFFF47 +#define NDERH 0xFFFF48 +#define NDERL 0xFFFF49 +#define PODRH 0xFFFF4A +#define PODRL 0xFFFF4B +#define NDRH1 0xFFFF4C +#define NDRL1 0xFFFF4D +#define NDRH2 0xFFFF4E +#define NDRL2 0xFFFF4F + +#define SMR0 0xFFFF78 +#define BRR0 0xFFFF79 +#define SCR0 0xFFFF7A +#define TDR0 0xFFFF7B +#define SSR0 0xFFFF7C +#define RDR0 0xFFFF7D +#define SCMR0 0xFFFF7E +#define SMR1 0xFFFF80 +#define BRR1 0xFFFF81 +#define SCR1 0xFFFF82 +#define TDR1 0xFFFF83 +#define SSR1 0xFFFF84 +#define RDR1 0xFFFF85 +#define SCMR1 0xFFFF86 +#define SMR2 0xFFFF88 +#define BRR2 0xFFFF89 +#define SCR2 0xFFFF8A +#define TDR2 0xFFFF8B +#define SSR2 0xFFFF8C +#define RDR2 0xFFFF8D +#define SCMR2 0xFFFF8E + +#define IRCR0 0xFFFE1E +#define SEMR 0xFFFDA8 + +#define MDCR 0xFFFF3E +#define SYSCR 0xFFFF3D +#define MSTPCRH 0xFFFF40 +#define MSTPCRL 0xFFFF41 +#define FLMCR1 0xFFFFC8 +#define FLMCR2 0xFFFFC9 +#define EBR1 0xFFFFCA +#define EBR2 0xFFFFCB +#define CTGARC_RAMCR 0xFFFECE +#define SBYCR 0xFFFF3A +#define SCKCR 0xFFFF3B +#define PLLCR 0xFFFF45 + +#define TSTR 0xFFFFC0 +#define TSNC 0XFFFFC1 + +#define TCR0 0xFFFFD0 +#define TMDR0 0xFFFFD1 +#define TIORH0 0xFFFFD2 +#define TIORL0 0xFFFFD3 +#define TIER0 0xFFFFD4 +#define TSR0 0xFFFFD5 +#define TCNT0 0xFFFFD6 +#define GRA0 0xFFFFD8 +#define GRB0 0xFFFFDA +#define GRC0 0xFFFFDC +#define GRD0 0xFFFFDE +#define TCR1 0xFFFFE0 +#define TMDR1 0xFFFFE1 +#define TIORH1 0xFFFFE2 +#define TIORL1 0xFFFFE3 +#define TIER1 0xFFFFE4 +#define TSR1 0xFFFFE5 +#define TCNT1 0xFFFFE6 +#define GRA1 0xFFFFE8 +#define GRB1 0xFFFFEA +#define TCR2 0xFFFFF0 +#define TMDR2 0xFFFFF1 +#define TIORH2 0xFFFFF2 +#define TIORL2 0xFFFFF3 +#define TIER2 0xFFFFF4 +#define TSR2 0xFFFFF5 +#define TCNT2 0xFFFFF6 +#define GRA2 0xFFFFF8 +#define GRB2 0xFFFFFA +#define TCR3 0xFFFE80 +#define TMDR3 0xFFFE81 +#define TIORH3 0xFFFE82 +#define TIORL3 0xFFFE83 +#define TIER3 0xFFFE84 +#define TSR3 0xFFFE85 +#define TCNT3 0xFFFE86 +#define GRA3 0xFFFE88 +#define GRB3 0xFFFE8A +#define GRC3 0xFFFE8C +#define GRD3 0xFFFE8E +#define TCR4 0xFFFE90 +#define TMDR4 0xFFFE91 +#define TIORH4 0xFFFE92 +#define TIORL4 0xFFFE93 +#define TIER4 0xFFFE94 +#define TSR4 0xFFFE95 +#define TCNT4 0xFFFE96 +#define GRA4 0xFFFE98 +#define GRB4 0xFFFE9A +#define TCR5 0xFFFEA0 +#define TMDR5 0xFFFEA1 +#define TIORH5 0xFFFEA2 +#define TIORL5 0xFFFEA3 +#define TIER5 0xFFFEA4 +#define TSR5 0xFFFEA5 +#define TCNT5 0xFFFEA6 +#define GRA5 0xFFFEA8 +#define GRB5 0xFFFEAA + +#define _8TCR0 0xFFFFB0 +#define _8TCR1 0xFFFFB1 +#define _8TCSR0 0xFFFFB2 +#define _8TCSR1 0xFFFFB3 +#define _8TCORA0 0xFFFFB4 +#define _8TCORA1 0xFFFFB5 +#define _8TCORB0 0xFFFFB6 +#define _8TCORB1 0xFFFFB7 +#define _8TCNT0 0xFFFFB8 +#define _8TCNT1 0xFFFFB9 + +#define TCSR 0xFFFFBC +#define TCNT 0xFFFFBD +#define RSTCSRW 0xFFFFBE +#define RSTCSRR 0xFFFFBF + +#endif /* __KERNEL__ */ +#endif /* __REGS_H8S267x__ */ diff --git a/arch/h8300/include/asm/regs306x.h b/arch/h8300/include/asm/regs306x.h new file mode 100644 index 00000000..027dd633 --- /dev/null +++ b/arch/h8300/include/asm/regs306x.h @@ -0,0 +1,212 @@ +/* internal Peripherals Register address define */ +/* CPU: H8/306x */ + +#if !defined(__REGS_H8306x__) +#define __REGS_H8306x__ + +#if defined(__KERNEL__) + +#define DASTCR 0xFEE01A +#define DADR0 0xFEE09C +#define DADR1 0xFEE09D +#define DACR 0xFEE09E + +#define ADDRAH 0xFFFFE0 +#define ADDRAL 0xFFFFE1 +#define ADDRBH 0xFFFFE2 +#define ADDRBL 0xFFFFE3 +#define ADDRCH 0xFFFFE4 +#define ADDRCL 0xFFFFE5 +#define ADDRDH 0xFFFFE6 +#define ADDRDL 0xFFFFE7 +#define ADCSR 0xFFFFE8 +#define ADCR 0xFFFFE9 + +#define BRCR 0xFEE013 +#define ADRCR 0xFEE01E +#define CSCR 0xFEE01F +#define ABWCR 0xFEE020 +#define ASTCR 0xFEE021 +#define WCRH 0xFEE022 +#define WCRL 0xFEE023 +#define BCR 0xFEE024 +#define DRCRA 0xFEE026 +#define DRCRB 0xFEE027 +#define RTMCSR 0xFEE028 +#define RTCNT 0xFEE029 +#define RTCOR 0xFEE02A + +#define MAR0AR 0xFFFF20 +#define MAR0AE 0xFFFF21 +#define MAR0AH 0xFFFF22 +#define MAR0AL 0xFFFF23 +#define ETCR0AL 0xFFFF24 +#define ETCR0AH 0xFFFF25 +#define IOAR0A 0xFFFF26 +#define DTCR0A 0xFFFF27 +#define MAR0BR 0xFFFF28 +#define MAR0BE 0xFFFF29 +#define MAR0BH 0xFFFF2A +#define MAR0BL 0xFFFF2B +#define ETCR0BL 0xFFFF2C +#define ETCR0BH 0xFFFF2D +#define IOAR0B 0xFFFF2E +#define DTCR0B 0xFFFF2F +#define MAR1AR 0xFFFF30 +#define MAR1AE 0xFFFF31 +#define MAR1AH 0xFFFF32 +#define MAR1AL 0xFFFF33 +#define ETCR1AL 0xFFFF34 +#define ETCR1AH 0xFFFF35 +#define IOAR1A 0xFFFF36 +#define DTCR1A 0xFFFF37 +#define MAR1BR 0xFFFF38 +#define MAR1BE 0xFFFF39 +#define MAR1BH 0xFFFF3A +#define MAR1BL 0xFFFF3B +#define ETCR1BL 0xFFFF3C +#define ETCR1BH 0xFFFF3D +#define IOAR1B 0xFFFF3E +#define DTCR1B 0xFFFF3F + +#define ISCR 0xFEE014 +#define IER 0xFEE015 +#define ISR 0xFEE016 +#define IPRA 0xFEE018 +#define IPRB 0xFEE019 + +#define P1DDR 0xFEE000 +#define P2DDR 0xFEE001 +#define P3DDR 0xFEE002 +#define P4DDR 0xFEE003 +#define P5DDR 0xFEE004 +#define P6DDR 0xFEE005 +/*#define P7DDR 0xFEE006*/ +#define P8DDR 0xFEE007 +#define P9DDR 0xFEE008 +#define PADDR 0xFEE009 +#define PBDDR 0xFEE00A + +#define P1DR 0xFFFFD0 +#define P2DR 0xFFFFD1 +#define P3DR 0xFFFFD2 +#define P4DR 0xFFFFD3 +#define P5DR 0xFFFFD4 +#define P6DR 0xFFFFD5 +/*#define P7DR 0xFFFFD6*/ +#define P8DR 0xFFFFD7 +#define P9DR 0xFFFFD8 +#define PADR 0xFFFFD9 +#define PBDR 0xFFFFDA + +#define P2CR 0xFEE03C +#define P4CR 0xFEE03E +#define P5CR 0xFEE03F + +#define SMR0 0xFFFFB0 +#define BRR0 0xFFFFB1 +#define SCR0 0xFFFFB2 +#define TDR0 0xFFFFB3 +#define SSR0 0xFFFFB4 +#define RDR0 0xFFFFB5 +#define SCMR0 0xFFFFB6 +#define SMR1 0xFFFFB8 +#define BRR1 0xFFFFB9 +#define SCR1 0xFFFFBA +#define TDR1 0xFFFFBB +#define SSR1 0xFFFFBC +#define RDR1 0xFFFFBD +#define SCMR1 0xFFFFBE +#define SMR2 0xFFFFC0 +#define BRR2 0xFFFFC1 +#define SCR2 0xFFFFC2 +#define TDR2 0xFFFFC3 +#define SSR2 0xFFFFC4 +#define RDR2 0xFFFFC5 +#define SCMR2 0xFFFFC6 + +#define MDCR 0xFEE011 +#define SYSCR 0xFEE012 +#define DIVCR 0xFEE01B +#define MSTCRH 0xFEE01C +#define MSTCRL 0xFEE01D +#define FLMCR1 0xFEE030 +#define FLMCR2 0xFEE031 +#define EBR1 0xFEE032 +#define EBR2 0xFEE033 +#define RAMCR 0xFEE077 + +#define TSTR 0xFFFF60 +#define TSNC 0XFFFF61 +#define TMDR 0xFFFF62 +#define TOLR 0xFFFF63 +#define TISRA 0xFFFF64 +#define TISRB 0xFFFF65 +#define TISRC 0xFFFF66 +#define TCR0 0xFFFF68 +#define TIOR0 0xFFFF69 +#define TCNT0H 0xFFFF6A +#define TCNT0L 0xFFFF6B +#define GRA0H 0xFFFF6C +#define GRA0L 0xFFFF6D +#define GRB0H 0xFFFF6E +#define GRB0L 0xFFFF6F +#define TCR1 0xFFFF70 +#define TIOR1 0xFFFF71 +#define TCNT1H 0xFFFF72 +#define TCNT1L 0xFFFF73 +#define GRA1H 0xFFFF74 +#define GRA1L 0xFFFF75 +#define GRB1H 0xFFFF76 +#define GRB1L 0xFFFF77 +#define TCR3 0xFFFF78 +#define TIOR3 0xFFFF79 +#define TCNT3H 0xFFFF7A +#define TCNT3L 0xFFFF7B +#define GRA3H 0xFFFF7C +#define GRA3L 0xFFFF7D +#define GRB3H 0xFFFF7E +#define GRB3L 0xFFFF7F + +#define _8TCR0 0xFFFF80 +#define _8TCR1 0xFFFF81 +#define _8TCSR0 0xFFFF82 +#define _8TCSR1 0xFFFF83 +#define TCORA0 0xFFFF84 +#define TCORA1 0xFFFF85 +#define TCORB0 0xFFFF86 +#define TCORB1 0xFFFF87 +#define _8TCNT0 0xFFFF88 +#define _8TCNT1 0xFFFF89 + +#define _8TCR2 0xFFFF90 +#define _8TCR3 0xFFFF91 +#define _8TCSR2 0xFFFF92 +#define _8TCSR3 0xFFFF93 +#define TCORA2 0xFFFF94 +#define TCORA3 0xFFFF95 +#define TCORB2 0xFFFF96 +#define TCORB3 0xFFFF97 +#define _8TCNT2 0xFFFF98 +#define _8TCNT3 0xFFFF99 + +#define TCSR 0xFFFF8C +#define TCNT 0xFFFF8D +#define RSTCSR 0xFFFF8F + +#define TPMR 0xFFFFA0 +#define TPCR 0xFFFFA1 +#define NDERB 0xFFFFA2 +#define NDERA 0xFFFFA3 +#define NDRB1 0xFFFFA4 +#define NDRA1 0xFFFFA5 +#define NDRB2 0xFFFFA6 +#define NDRA2 0xFFFFA7 + +#define TCSR 0xFFFF8C +#define TCNT 0xFFFF8D +#define RSTCSRW 0xFFFF8E +#define RSTCSRR 0xFFFF8F + +#endif /* __KERNEL__ */ +#endif /* __REGS_H8306x__ */ diff --git a/arch/h8300/include/asm/scatterlist.h b/arch/h8300/include/asm/scatterlist.h new file mode 100644 index 00000000..82130eda --- /dev/null +++ b/arch/h8300/include/asm/scatterlist.h @@ -0,0 +1,6 @@ +#ifndef _H8300_SCATTERLIST_H +#define _H8300_SCATTERLIST_H + +#include <asm-generic/scatterlist.h> + +#endif /* !(_H8300_SCATTERLIST_H) */ diff --git a/arch/h8300/include/asm/sections.h b/arch/h8300/include/asm/sections.h new file mode 100644 index 00000000..a81743e8 --- /dev/null +++ b/arch/h8300/include/asm/sections.h @@ -0,0 +1,6 @@ +#ifndef _H8300_SECTIONS_H_ +#define _H8300_SECTIONS_H_ + +#include <asm-generic/sections.h> + +#endif diff --git a/arch/h8300/include/asm/segment.h b/arch/h8300/include/asm/segment.h new file mode 100644 index 00000000..b79a82d0 --- /dev/null +++ b/arch/h8300/include/asm/segment.h @@ -0,0 +1,49 @@ +#ifndef _H8300_SEGMENT_H +#define _H8300_SEGMENT_H + +/* define constants */ +#define USER_DATA (1) +#ifndef __USER_DS +#define __USER_DS (USER_DATA) +#endif +#define USER_PROGRAM (2) +#define SUPER_DATA (3) +#ifndef __KERNEL_DS +#define __KERNEL_DS (SUPER_DATA) +#endif +#define SUPER_PROGRAM (4) + +#ifndef __ASSEMBLY__ + +typedef struct { + unsigned long seg; +} mm_segment_t; + +#define MAKE_MM_SEG(s) ((mm_segment_t) { (s) }) +#define USER_DS MAKE_MM_SEG(__USER_DS) +#define KERNEL_DS MAKE_MM_SEG(__KERNEL_DS) + +/* + * Get/set the SFC/DFC registers for MOVES instructions + */ + +static inline mm_segment_t get_fs(void) +{ + return USER_DS; +} + +static inline mm_segment_t get_ds(void) +{ + /* return the supervisor data space code */ + return KERNEL_DS; +} + +static inline void set_fs(mm_segment_t val) +{ +} + +#define segment_eq(a,b) ((a).seg == (b).seg) + +#endif /* __ASSEMBLY__ */ + +#endif /* _H8300_SEGMENT_H */ diff --git a/arch/h8300/include/asm/sh_bios.h b/arch/h8300/include/asm/sh_bios.h new file mode 100644 index 00000000..b6bb6e58 --- /dev/null +++ b/arch/h8300/include/asm/sh_bios.h @@ -0,0 +1,29 @@ +/* eCos HAL interface header */ + +#ifndef SH_BIOS_H +#define SH_BIOS_H + +#define HAL_IF_VECTOR_TABLE 0xfffe20 +#define CALL_IF_SET_CONSOLE_COMM 13 +#define QUERY_CURRENT -1 +#define MANGLER -3 + +/* Checking for GDB stub active */ +/* suggestion Jonathan Larmour */ +static int sh_bios_in_gdb_mode(void) +{ + static int gdb_active = -1; + if (gdb_active == -1) { + int (*set_console_comm)(int); + set_console_comm = ((void **)HAL_IF_VECTOR_TABLE)[CALL_IF_SET_CONSOLE_COMM]; + gdb_active = (set_console_comm(QUERY_CURRENT) == MANGLER); + } + return gdb_active; +} + +static void sh_bios_gdb_detach(void) +{ + +} + +#endif diff --git a/arch/h8300/include/asm/shm.h b/arch/h8300/include/asm/shm.h new file mode 100644 index 00000000..ed6623c0 --- /dev/null +++ b/arch/h8300/include/asm/shm.h @@ -0,0 +1,31 @@ +#ifndef _H8300_SHM_H +#define _H8300_SHM_H + + +/* format of page table entries that correspond to shared memory pages + currently out in swap space (see also mm/swap.c): + bits 0-1 (PAGE_PRESENT) is = 0 + bits 8..2 (SWP_TYPE) are = SHM_SWP_TYPE + bits 31..9 are used like this: + bits 15..9 (SHM_ID) the id of the shared memory segment + bits 30..16 (SHM_IDX) the index of the page within the shared memory segment + (actually only bits 25..16 get used since SHMMAX is so low) + bit 31 (SHM_READ_ONLY) flag whether the page belongs to a read-only attach +*/ +/* on the m68k both bits 0 and 1 must be zero */ +/* format on the sun3 is similar, but bits 30, 31 are set to zero and all + others are reduced by 2. --m */ + +#ifndef CONFIG_SUN3 +#define SHM_ID_SHIFT 9 +#else +#define SHM_ID_SHIFT 7 +#endif +#define _SHM_ID_BITS 7 +#define SHM_ID_MASK ((1<<_SHM_ID_BITS)-1) + +#define SHM_IDX_SHIFT (SHM_ID_SHIFT+_SHM_ID_BITS) +#define _SHM_IDX_BITS 15 +#define SHM_IDX_MASK ((1<<_SHM_IDX_BITS)-1) + +#endif /* _H8300_SHM_H */ diff --git a/arch/h8300/include/asm/shmparam.h b/arch/h8300/include/asm/shmparam.h new file mode 100644 index 00000000..d1863953 --- /dev/null +++ b/arch/h8300/include/asm/shmparam.h @@ -0,0 +1,6 @@ +#ifndef _H8300_SHMPARAM_H +#define _H8300_SHMPARAM_H + +#define SHMLBA PAGE_SIZE /* attach addr a multiple of this */ + +#endif /* _H8300_SHMPARAM_H */ diff --git a/arch/h8300/include/asm/signal.h b/arch/h8300/include/asm/signal.h new file mode 100644 index 00000000..6341e363 --- /dev/null +++ b/arch/h8300/include/asm/signal.h @@ -0,0 +1,24 @@ +#ifndef _H8300_SIGNAL_H +#define _H8300_SIGNAL_H + +#include <uapi/asm/signal.h> + +/* Most things should be clean enough to redefine this at will, if care + is taken to make libc match. */ + +#define _NSIG 64 +#define _NSIG_BPW 32 +#define _NSIG_WORDS (_NSIG / _NSIG_BPW) + +typedef unsigned long old_sigset_t; /* at least 32 bits */ + +typedef struct { + unsigned long sig[_NSIG_WORDS]; +} sigset_t; + +#define __ARCH_HAS_SA_RESTORER + +#include <asm/sigcontext.h> +#undef __HAVE_ARCH_SIG_BITOPS + +#endif /* _H8300_SIGNAL_H */ diff --git a/arch/h8300/include/asm/smp.h b/arch/h8300/include/asm/smp.h new file mode 100644 index 00000000..9e9bd7e5 --- /dev/null +++ b/arch/h8300/include/asm/smp.h @@ -0,0 +1 @@ +/* nothing required here yet */ diff --git a/arch/h8300/include/asm/spinlock.h b/arch/h8300/include/asm/spinlock.h new file mode 100644 index 00000000..d5407fa1 --- /dev/null +++ b/arch/h8300/include/asm/spinlock.h @@ -0,0 +1,6 @@ +#ifndef __H8300_SPINLOCK_H +#define __H8300_SPINLOCK_H + +#error "H8/300 doesn't do SMP yet" + +#endif diff --git a/arch/h8300/include/asm/string.h b/arch/h8300/include/asm/string.h new file mode 100644 index 00000000..ca503489 --- /dev/null +++ b/arch/h8300/include/asm/string.h @@ -0,0 +1,44 @@ +#ifndef _H8300_STRING_H_ +#define _H8300_STRING_H_ + +#ifdef __KERNEL__ /* only set these up for kernel code */ + +#include <asm/setup.h> +#include <asm/page.h> + +#define __HAVE_ARCH_MEMSET +extern void * memset(void * s, int c, size_t count); + +#define __HAVE_ARCH_MEMCPY +extern void * memcpy(void *d, const void *s, size_t count); + +#else /* KERNEL */ + +/* + * let user libraries deal with these, + * IMHO the kernel has no place defining these functions for user apps + */ + +#define __HAVE_ARCH_STRCPY 1 +#define __HAVE_ARCH_STRNCPY 1 +#define __HAVE_ARCH_STRCAT 1 +#define __HAVE_ARCH_STRNCAT 1 +#define __HAVE_ARCH_STRCMP 1 +#define __HAVE_ARCH_STRNCMP 1 +#define __HAVE_ARCH_STRNICMP 1 +#define __HAVE_ARCH_STRCHR 1 +#define __HAVE_ARCH_STRRCHR 1 +#define __HAVE_ARCH_STRSTR 1 +#define __HAVE_ARCH_STRLEN 1 +#define __HAVE_ARCH_STRNLEN 1 +#define __HAVE_ARCH_MEMSET 1 +#define __HAVE_ARCH_MEMCPY 1 +#define __HAVE_ARCH_MEMMOVE 1 +#define __HAVE_ARCH_MEMSCAN 1 +#define __HAVE_ARCH_MEMCMP 1 +#define __HAVE_ARCH_MEMCHR 1 +#define __HAVE_ARCH_STRTOK 1 + +#endif /* KERNEL */ + +#endif /* _M68K_STRING_H_ */ diff --git a/arch/h8300/include/asm/switch_to.h b/arch/h8300/include/asm/switch_to.h new file mode 100644 index 00000000..cdd8731c --- /dev/null +++ b/arch/h8300/include/asm/switch_to.h @@ -0,0 +1,50 @@ +#ifndef _H8300_SWITCH_TO_H +#define _H8300_SWITCH_TO_H + +/* + * switch_to(n) should switch tasks to task ptr, first checking that + * ptr isn't the current task, in which case it does nothing. This + * also clears the TS-flag if the task we switched to has used the + * math co-processor latest. + */ +/* + * switch_to() saves the extra registers, that are not saved + * automatically by SAVE_SWITCH_STACK in resume(), ie. d0-d5 and + * a0-a1. Some of these are used by schedule() and its predecessors + * and so we might get see unexpected behaviors when a task returns + * with unexpected register values. + * + * syscall stores these registers itself and none of them are used + * by syscall after the function in the syscall has been called. + * + * Beware that resume now expects *next to be in d1 and the offset of + * tss to be in a1. This saves a few instructions as we no longer have + * to push them onto the stack and read them back right after. + * + * 02/17/96 - Jes Sorensen (jds@kom.auc.dk) + * + * Changed 96/09/19 by Andreas Schwab + * pass prev in a0, next in a1, offset of tss in d1, and whether + * the mm structures are shared in d2 (to avoid atc flushing). + * + * H8/300 Porting 2002/09/04 Yoshinori Sato + */ + +asmlinkage void resume(void); +#define switch_to(prev,next,last) { \ + void *_last; \ + __asm__ __volatile__( \ + "mov.l %1, er0\n\t" \ + "mov.l %2, er1\n\t" \ + "mov.l %3, er2\n\t" \ + "jsr @_resume\n\t" \ + "mov.l er2,%0\n\t" \ + : "=r" (_last) \ + : "r" (&(prev->thread)), \ + "r" (&(next->thread)), \ + "g" (prev) \ + : "cc", "er0", "er1", "er2", "er3"); \ + (last) = _last; \ +} + +#endif /* _H8300_SWITCH_TO_H */ diff --git a/arch/h8300/include/asm/target_time.h b/arch/h8300/include/asm/target_time.h new file mode 100644 index 00000000..9f2a9aa1 --- /dev/null +++ b/arch/h8300/include/asm/target_time.h @@ -0,0 +1,4 @@ +extern int platform_timer_setup(void (*timer_int)(int, void *, struct pt_regs *)); +extern void platform_timer_eoi(void); +extern void platform_gettod(unsigned int *year, unsigned int *mon, unsigned int *day, + unsigned int *hour, unsigned int *min, unsigned int *sec); diff --git a/arch/h8300/include/asm/termios.h b/arch/h8300/include/asm/termios.h new file mode 100644 index 00000000..93a63df5 --- /dev/null +++ b/arch/h8300/include/asm/termios.h @@ -0,0 +1,50 @@ +#ifndef _H8300_TERMIOS_H +#define _H8300_TERMIOS_H + +#include <uapi/asm/termios.h> + +/* intr=^C quit=^| erase=del kill=^U + eof=^D vtime=\0 vmin=\1 sxtc=\0 + start=^Q stop=^S susp=^Z eol=\0 + reprint=^R discard=^U werase=^W lnext=^V + eol2=\0 +*/ +#define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0" + +/* + * Translate a "termio" structure into a "termios". Ugh. + */ +#define user_termio_to_kernel_termios(termios, termio) \ +({ \ + unsigned short tmp; \ + get_user(tmp, &(termio)->c_iflag); \ + (termios)->c_iflag = (0xffff0000 & ((termios)->c_iflag)) | tmp; \ + get_user(tmp, &(termio)->c_oflag); \ + (termios)->c_oflag = (0xffff0000 & ((termios)->c_oflag)) | tmp; \ + get_user(tmp, &(termio)->c_cflag); \ + (termios)->c_cflag = (0xffff0000 & ((termios)->c_cflag)) | tmp; \ + get_user(tmp, &(termio)->c_lflag); \ + (termios)->c_lflag = (0xffff0000 & ((termios)->c_lflag)) | tmp; \ + get_user((termios)->c_line, &(termio)->c_line); \ + copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \ +}) + +/* + * Translate a "termios" structure into a "termio". Ugh. + */ +#define kernel_termios_to_user_termio(termio, termios) \ +({ \ + put_user((termios)->c_iflag, &(termio)->c_iflag); \ + put_user((termios)->c_oflag, &(termio)->c_oflag); \ + put_user((termios)->c_cflag, &(termio)->c_cflag); \ + put_user((termios)->c_lflag, &(termio)->c_lflag); \ + put_user((termios)->c_line, &(termio)->c_line); \ + copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \ +}) + +#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios2)) +#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios2)) +#define user_termios_to_kernel_termios_1(k, u) copy_from_user(k, u, sizeof(struct termios)) +#define kernel_termios_to_user_termios_1(u, k) copy_to_user(u, k, sizeof(struct termios)) + +#endif /* _H8300_TERMIOS_H */ diff --git a/arch/h8300/include/asm/thread_info.h b/arch/h8300/include/asm/thread_info.h new file mode 100644 index 00000000..ec2f7777 --- /dev/null +++ b/arch/h8300/include/asm/thread_info.h @@ -0,0 +1,103 @@ +/* thread_info.h: h8300 low-level thread information + * adapted from the i386 and PPC versions by Yoshinori Sato <ysato@users.sourceforge.jp> + * + * Copyright (C) 2002 David Howells (dhowells@redhat.com) + * - Incorporating suggestions made by Linus Torvalds and Dave Miller + */ + +#ifndef _ASM_THREAD_INFO_H +#define _ASM_THREAD_INFO_H + +#include <asm/page.h> + +#ifdef __KERNEL__ + +#ifndef __ASSEMBLY__ + +/* + * low level task data. + * If you change this, change the TI_* offsets below to match. + */ +struct thread_info { + struct task_struct *task; /* main task structure */ + struct exec_domain *exec_domain; /* execution domain */ + unsigned long flags; /* low level flags */ + int cpu; /* cpu we're on */ + int preempt_count; /* 0 => preemptable, <0 => BUG */ + struct restart_block restart_block; +}; + +/* + * macros/functions for gaining access to the thread information structure + */ +#define INIT_THREAD_INFO(tsk) \ +{ \ + .task = &tsk, \ + .exec_domain = &default_exec_domain, \ + .flags = 0, \ + .cpu = 0, \ + .preempt_count = INIT_PREEMPT_COUNT, \ + .restart_block = { \ + .fn = do_no_restart_syscall, \ + }, \ +} + +#define init_thread_info (init_thread_union.thread_info) +#define init_stack (init_thread_union.stack) + + +/* + * Size of kernel stack for each process. This must be a power of 2... + */ +#define THREAD_SIZE_ORDER 1 +#define THREAD_SIZE 8192 /* 2 pages */ + + +/* how to get the thread information struct from C */ +static inline struct thread_info *current_thread_info(void) +{ + struct thread_info *ti; + __asm__( + "mov.l sp, %0 \n\t" + "and.l %1, %0" + : "=&r"(ti) + : "i" (~(THREAD_SIZE-1)) + ); + return ti; +} + +#endif /* __ASSEMBLY__ */ + +/* + * Offsets in thread_info structure, used in assembly code + */ +#define TI_TASK 0 +#define TI_EXECDOMAIN 4 +#define TI_FLAGS 8 +#define TI_CPU 12 +#define TI_PRE_COUNT 16 + +#define PREEMPT_ACTIVE 0x4000000 + +/* + * thread information flag bit numbers + */ +#define TIF_SYSCALL_TRACE 0 /* syscall trace active */ +#define TIF_SIGPENDING 1 /* signal pending */ +#define TIF_NEED_RESCHED 2 /* rescheduling necessary */ +#define TIF_MEMDIE 4 /* is terminating due to OOM killer */ +#define TIF_RESTORE_SIGMASK 5 /* restore signal mask in do_signal() */ +#define TIF_NOTIFY_RESUME 6 /* callback before returning to user */ + +/* as above, but as bit values */ +#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) +#define _TIF_SIGPENDING (1<<TIF_SIGPENDING) +#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) +#define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) + +#define _TIF_WORK_MASK (_TIF_SIGPENDING | _TIF_NEED_RESCHED | \ + _TIF_NOTIFY_RESUME) + +#endif /* __KERNEL__ */ + +#endif /* _ASM_THREAD_INFO_H */ diff --git a/arch/h8300/include/asm/timer.h b/arch/h8300/include/asm/timer.h new file mode 100644 index 00000000..def80464 --- /dev/null +++ b/arch/h8300/include/asm/timer.h @@ -0,0 +1,25 @@ +#ifndef __H8300_TIMER_H +#define __H8300_TIMER_H + +void h8300_timer_tick(void); +void h8300_timer_setup(void); +void h8300_gettod(unsigned int *year, unsigned int *mon, unsigned int *day, + unsigned int *hour, unsigned int *min, unsigned int *sec); + +#define TIMER_FREQ (CONFIG_CPU_CLOCK*10000) /* Timer input freq. */ + +#define calc_param(cnt, div, rate, limit) \ +do { \ + cnt = TIMER_FREQ / HZ; \ + for (div = 0; div < ARRAY_SIZE(divide_rate); div++) { \ + if (rate[div] == 0) \ + continue; \ + if ((cnt / rate[div]) > limit) \ + break; \ + } \ + if (div == ARRAY_SIZE(divide_rate)) \ + panic("Timer counter overflow"); \ + cnt /= divide_rate[div]; \ +} while(0) + +#endif diff --git a/arch/h8300/include/asm/timex.h b/arch/h8300/include/asm/timex.h new file mode 100644 index 00000000..23e67013 --- /dev/null +++ b/arch/h8300/include/asm/timex.h @@ -0,0 +1,19 @@ +/* + * linux/include/asm-h8300/timex.h + * + * H8/300 architecture timex specifications + */ +#ifndef _ASM_H8300_TIMEX_H +#define _ASM_H8300_TIMEX_H + +#define CLOCK_TICK_RATE (CONFIG_CPU_CLOCK*1000/8192) /* Timer input freq. */ + +typedef unsigned long cycles_t; +extern short h8300_timer_count; + +static inline cycles_t get_cycles(void) +{ + return 0; +} + +#endif diff --git a/arch/h8300/include/asm/tlb.h b/arch/h8300/include/asm/tlb.h new file mode 100644 index 00000000..3dea80ad --- /dev/null +++ b/arch/h8300/include/asm/tlb.h @@ -0,0 +1,23 @@ +/* + include/asm-h8300/tlb.h +*/ + +#ifndef __H8300_TLB_H__ +#define __H8300_TLB_H__ + +#define tlb_flush(tlb) do { } while(0) + +/* + include/asm-h8300/tlb.h +*/ + +#ifndef __H8300_TLB_H__ +#define __H8300_TLB_H__ + +#define tlb_flush(tlb) do { } while(0) + +#include <asm-generic/tlb.h> + +#endif + +#endif diff --git a/arch/h8300/include/asm/tlbflush.h b/arch/h8300/include/asm/tlbflush.h new file mode 100644 index 00000000..41c148a9 --- /dev/null +++ b/arch/h8300/include/asm/tlbflush.h @@ -0,0 +1,55 @@ +#ifndef _H8300_TLBFLUSH_H +#define _H8300_TLBFLUSH_H + +/* + * Copyright (C) 2000 Lineo, David McCullough <davidm@uclinux.org> + * Copyright (C) 2000-2002, Greg Ungerer <gerg@snapgear.com> + */ + +#include <asm/setup.h> + +/* + * flush all user-space atc entries. + */ +static inline void __flush_tlb(void) +{ + BUG(); +} + +static inline void __flush_tlb_one(unsigned long addr) +{ + BUG(); +} + +#define flush_tlb() __flush_tlb() + +/* + * flush all atc entries (both kernel and user-space entries). + */ +static inline void flush_tlb_all(void) +{ + BUG(); +} + +static inline void flush_tlb_mm(struct mm_struct *mm) +{ + BUG(); +} + +static inline void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr) +{ + BUG(); +} + +static inline void flush_tlb_range(struct mm_struct *mm, + unsigned long start, unsigned long end) +{ + BUG(); +} + +static inline void flush_tlb_kernel_page(unsigned long addr) +{ + BUG(); +} + +#endif /* _H8300_TLBFLUSH_H */ diff --git a/arch/h8300/include/asm/topology.h b/arch/h8300/include/asm/topology.h new file mode 100644 index 00000000..fdc12192 --- /dev/null +++ b/arch/h8300/include/asm/topology.h @@ -0,0 +1,6 @@ +#ifndef _ASM_H8300_TOPOLOGY_H +#define _ASM_H8300_TOPOLOGY_H + +#include <asm-generic/topology.h> + +#endif /* _ASM_H8300_TOPOLOGY_H */ diff --git a/arch/h8300/include/asm/traps.h b/arch/h8300/include/asm/traps.h new file mode 100644 index 00000000..41cf6be0 --- /dev/null +++ b/arch/h8300/include/asm/traps.h @@ -0,0 +1,37 @@ +/* + * linux/include/asm-h8300/traps.h + * + * Copyright (C) 2003 Yoshinori Sato <ysato@users.sourceforge.jp> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive + * for more details. + */ + +#ifndef _H8300_TRAPS_H +#define _H8300_TRAPS_H + +extern void system_call(void); +extern void interrupt_entry(void); +extern void trace_break(void); + +#define JMP_OP 0x5a000000 +#define JSR_OP 0x5e000000 +#define VECTOR(address) ((JMP_OP)|((unsigned long)address)) +#define REDIRECT(address) ((JSR_OP)|((unsigned long)address)) + +#define TRACE_VEC 5 + +#define TRAP0_VEC 8 +#define TRAP1_VEC 9 +#define TRAP2_VEC 10 +#define TRAP3_VEC 11 + +#if defined(__H8300H__) +#define NR_TRAPS 12 +#endif +#if defined(__H8300S__) +#define NR_TRAPS 16 +#endif + +#endif /* _H8300_TRAPS_H */ diff --git a/arch/h8300/include/asm/types.h b/arch/h8300/include/asm/types.h new file mode 100644 index 00000000..c012707f --- /dev/null +++ b/arch/h8300/include/asm/types.h @@ -0,0 +1,9 @@ +#ifndef _H8300_TYPES_H +#define _H8300_TYPES_H + +#include <uapi/asm/types.h> + + +#define BITS_PER_LONG 32 + +#endif /* _H8300_TYPES_H */ diff --git a/arch/h8300/include/asm/uaccess.h b/arch/h8300/include/asm/uaccess.h new file mode 100644 index 00000000..8725d1ad --- /dev/null +++ b/arch/h8300/include/asm/uaccess.h @@ -0,0 +1,163 @@ +#ifndef __H8300_UACCESS_H +#define __H8300_UACCESS_H + +/* + * User space memory access functions + */ +#include <linux/sched.h> +#include <linux/mm.h> +#include <linux/string.h> + +#include <asm/segment.h> + +#define VERIFY_READ 0 +#define VERIFY_WRITE 1 + +/* We let the MMU do all checking */ +#define access_ok(type, addr, size) __access_ok((unsigned long)addr,size) +static inline int __access_ok(unsigned long addr, unsigned long size) +{ +#define RANGE_CHECK_OK(addr, size, lower, upper) \ + (((addr) >= (lower)) && (((addr) + (size)) < (upper))) + + extern unsigned long _ramend; + return(RANGE_CHECK_OK(addr, size, 0L, (unsigned long)&_ramend)); +} + +/* + * The exception table consists of pairs of addresses: the first is the + * address of an instruction that is allowed to fault, and the second is + * the address at which the program should continue. No registers are + * modified, so it is entirely up to the continuation code to figure out + * what to do. + * + * All the routines below use bits of fixup code that are out of line + * with the main instruction path. This means when everything is well, + * we don't even have to jump over them. Further, they do not intrude + * on our cache or tlb entries. + */ + +struct exception_table_entry +{ + unsigned long insn, fixup; +}; + +/* Returns 0 if exception not found and fixup otherwise. */ +extern unsigned long search_exception_table(unsigned long); + + +/* + * These are the main single-value transfer routines. They automatically + * use the right size if we just have the right pointer type. + */ + +#define put_user(x, ptr) \ +({ \ + int __pu_err = 0; \ + typeof(*(ptr)) __pu_val = (x); \ + switch (sizeof (*(ptr))) { \ + case 1: \ + case 2: \ + case 4: \ + *(ptr) = (__pu_val); \ + break; \ + case 8: \ + memcpy(ptr, &__pu_val, sizeof (*(ptr))); \ + break; \ + default: \ + __pu_err = __put_user_bad(); \ + break; \ + } \ + __pu_err; \ +}) +#define __put_user(x, ptr) put_user(x, ptr) + +extern int __put_user_bad(void); + +/* + * Tell gcc we read from memory instead of writing: this is because + * we do not write to any memory gcc knows about, so there are no + * aliasing issues. + */ + +#define __ptr(x) ((unsigned long *)(x)) + +/* + * Tell gcc we read from memory instead of writing: this is because + * we do not write to any memory gcc knows about, so there are no + * aliasing issues. + */ + +#define get_user(x, ptr) \ +({ \ + int __gu_err = 0; \ + typeof(*(ptr)) __gu_val = *ptr; \ + switch (sizeof(*(ptr))) { \ + case 1: \ + case 2: \ + case 4: \ + case 8: \ + break; \ + default: \ + __gu_err = __get_user_bad(); \ + break; \ + } \ + (x) = __gu_val; \ + __gu_err; \ +}) +#define __get_user(x, ptr) get_user(x, ptr) + +extern int __get_user_bad(void); + +#define copy_from_user(to, from, n) (memcpy(to, from, n), 0) +#define copy_to_user(to, from, n) (memcpy(to, from, n), 0) + +#define __copy_from_user(to, from, n) copy_from_user(to, from, n) +#define __copy_to_user(to, from, n) copy_to_user(to, from, n) +#define __copy_to_user_inatomic __copy_to_user +#define __copy_from_user_inatomic __copy_from_user + +#define copy_to_user_ret(to,from,n,retval) ({ if (copy_to_user(to,from,n)) return retval; }) + +#define copy_from_user_ret(to,from,n,retval) ({ if (copy_from_user(to,from,n)) return retval; }) + +/* + * Copy a null terminated string from userspace. + */ + +static inline long +strncpy_from_user(char *dst, const char *src, long count) +{ + char *tmp; + strncpy(dst, src, count); + for (tmp = dst; *tmp && count > 0; tmp++, count--) + ; + return(tmp - dst); /* DAVIDM should we count a NUL ? check getname */ +} + +/* + * Return the size of a string (including the ending 0) + * + * Return 0 on exception, a value greater than N if too long + */ +static inline long strnlen_user(const char *src, long n) +{ + return(strlen(src) + 1); /* DAVIDM make safer */ +} + +#define strlen_user(str) strnlen_user(str, 32767) + +/* + * Zero Userspace + */ + +static inline unsigned long +clear_user(void *to, unsigned long n) +{ + memset(to, 0, n); + return 0; +} + +#define __clear_user clear_user + +#endif /* _H8300_UACCESS_H */ diff --git a/arch/h8300/include/asm/ucontext.h b/arch/h8300/include/asm/ucontext.h new file mode 100644 index 00000000..0bcf8f85 --- /dev/null +++ b/arch/h8300/include/asm/ucontext.h @@ -0,0 +1,12 @@ +#ifndef _H8300_UCONTEXT_H +#define _H8300_UCONTEXT_H + +struct ucontext { + unsigned long uc_flags; + struct ucontext *uc_link; + stack_t uc_stack; + struct sigcontext uc_mcontext; + sigset_t uc_sigmask; /* mask last for extensibility */ +}; + +#endif diff --git a/arch/h8300/include/asm/unaligned.h b/arch/h8300/include/asm/unaligned.h new file mode 100644 index 00000000..b8d06c70 --- /dev/null +++ b/arch/h8300/include/asm/unaligned.h @@ -0,0 +1,11 @@ +#ifndef _ASM_H8300_UNALIGNED_H +#define _ASM_H8300_UNALIGNED_H + +#include <linux/unaligned/be_memmove.h> +#include <linux/unaligned/le_byteshift.h> +#include <linux/unaligned/generic.h> + +#define get_unaligned __get_unaligned_be +#define put_unaligned __put_unaligned_be + +#endif /* _ASM_H8300_UNALIGNED_H */ diff --git a/arch/h8300/include/asm/unistd.h b/arch/h8300/include/asm/unistd.h new file mode 100644 index 00000000..ab671ecf --- /dev/null +++ b/arch/h8300/include/asm/unistd.h @@ -0,0 +1,36 @@ +#ifndef _ASM_H8300_UNISTD_H_ +#define _ASM_H8300_UNISTD_H_ + +#include <uapi/asm/unistd.h> + + +#define NR_syscalls 321 + +#define __ARCH_WANT_OLD_READDIR +#define __ARCH_WANT_OLD_STAT +#define __ARCH_WANT_STAT64 +#define __ARCH_WANT_SYS_ALARM +#define __ARCH_WANT_SYS_GETHOSTNAME +#define __ARCH_WANT_SYS_IPC +#define __ARCH_WANT_SYS_PAUSE +#define __ARCH_WANT_SYS_SGETMASK +#define __ARCH_WANT_SYS_SIGNAL +#define __ARCH_WANT_SYS_TIME +#define __ARCH_WANT_SYS_UTIME +#define __ARCH_WANT_SYS_WAITPID +#define __ARCH_WANT_SYS_SOCKETCALL +#define __ARCH_WANT_SYS_FADVISE64 +#define __ARCH_WANT_SYS_GETPGRP +#define __ARCH_WANT_SYS_LLSEEK +#define __ARCH_WANT_SYS_NICE +#define __ARCH_WANT_SYS_OLD_GETRLIMIT +#define __ARCH_WANT_SYS_OLD_MMAP +#define __ARCH_WANT_SYS_OLD_SELECT +#define __ARCH_WANT_SYS_OLDUMOUNT +#define __ARCH_WANT_SYS_SIGPENDING +#define __ARCH_WANT_SYS_SIGPROCMASK +#define __ARCH_WANT_SYS_FORK +#define __ARCH_WANT_SYS_VFORK +#define __ARCH_WANT_SYS_CLONE + +#endif /* _ASM_H8300_UNISTD_H_ */ diff --git a/arch/h8300/include/asm/user.h b/arch/h8300/include/asm/user.h new file mode 100644 index 00000000..14a9e189 --- /dev/null +++ b/arch/h8300/include/asm/user.h @@ -0,0 +1,75 @@ +#ifndef _H8300_USER_H +#define _H8300_USER_H + +#include <asm/page.h> + +/* Core file format: The core file is written in such a way that gdb + can understand it and provide useful information to the user (under + linux we use the 'trad-core' bfd). There are quite a number of + obstacles to being able to view the contents of the floating point + registers, and until these are solved you will not be able to view the + contents of them. Actually, you can read in the core file and look at + the contents of the user struct to find out what the floating point + registers contain. + The actual file contents are as follows: + UPAGE: 1 page consisting of a user struct that tells gdb what is present + in the file. Directly after this is a copy of the task_struct, which + is currently not used by gdb, but it may come in useful at some point. + All of the registers are stored as part of the upage. The upage should + always be only one page. + DATA: The data area is stored. We use current->end_text to + current->brk to pick up all of the user variables, plus any memory + that may have been malloced. No attempt is made to determine if a page + is demand-zero or if a page is totally unused, we just cover the entire + range. All of the addresses are rounded in such a way that an integral + number of pages is written. + STACK: We need the stack information in order to get a meaningful + backtrace. We need to write the data from (esp) to + current->start_stack, so we round each of these off in order to be able + to write an integer number of pages. + The minimum core file size is 3 pages, or 12288 bytes. +*/ + +/* This is the old layout of "struct pt_regs" as of Linux 1.x, and + is still the layout used by user (the new pt_regs doesn't have + all registers). */ +struct user_regs_struct { + long er1,er2,er3,er4,er5,er6; + long er0; + long usp; + long orig_er0; + short ccr; + long pc; +}; + + +/* When the kernel dumps core, it starts by dumping the user struct - + this will be used by gdb to figure out where the data and stack segments + are within the file, and what virtual addresses to use. */ +struct user{ +/* We start with the registers, to mimic the way that "memory" is returned + from the ptrace(3,...) function. */ + struct user_regs_struct regs; /* Where the registers are actually stored */ +/* ptrace does not yet supply these. Someday.... */ +/* The rest of this junk is to help gdb figure out what goes where */ + unsigned long int u_tsize; /* Text segment size (pages). */ + unsigned long int u_dsize; /* Data segment size (pages). */ + unsigned long int u_ssize; /* Stack segment size (pages). */ + unsigned long start_code; /* Starting virtual address of text. */ + unsigned long start_stack; /* Starting virtual address of stack area. + This is actually the bottom of the stack, + the top of the stack is always found in the + esp register. */ + long int signal; /* Signal that caused the core dump. */ + int reserved; /* No longer used */ + unsigned long u_ar0; /* Used by gdb to help find the values for */ + /* the registers. */ + unsigned long magic; /* To uniquely identify a core file */ + char u_comm[32]; /* User command that was responsible */ +}; +#define NBPG PAGE_SIZE +#define UPAGES 1 +#define HOST_TEXT_START_ADDR (u.start_code) +#define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG) + +#endif diff --git a/arch/h8300/include/asm/virtconvert.h b/arch/h8300/include/asm/virtconvert.h new file mode 100644 index 00000000..19cfd62b --- /dev/null +++ b/arch/h8300/include/asm/virtconvert.h @@ -0,0 +1,20 @@ +#ifndef __H8300_VIRT_CONVERT__ +#define __H8300_VIRT_CONVERT__ + +/* + * Macros used for converting between virtual and physical mappings. + */ + +#ifdef __KERNEL__ + +#include <asm/setup.h> +#include <asm/page.h> + +#define phys_to_virt(vaddr) ((void *) (vaddr)) +#define virt_to_phys(vaddr) ((unsigned long) (vaddr)) + +#define virt_to_bus virt_to_phys +#define bus_to_virt phys_to_virt + +#endif +#endif |