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/metag/lib/clear_page.S | |
Diffstat (limited to 'arch/metag/lib/clear_page.S')
| -rw-r--r-- | arch/metag/lib/clear_page.S | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/metag/lib/clear_page.S b/arch/metag/lib/clear_page.S new file mode 100644 index 00000000..43144eeb --- /dev/null +++ b/arch/metag/lib/clear_page.S @@ -0,0 +1,17 @@ + ! Copyright 2007,2008,2009 Imagination Technologies Ltd. + +#include <asm/page.h> + + .text + .global _clear_page + .type _clear_page,function + !! D1Ar1 - page +_clear_page: + MOV TXRPT,#((PAGE_SIZE / 8) - 1) + MOV D0Re0,#0 + MOV D1Re0,#0 +$Lclear_page_loop: + SETL [D1Ar1++],D0Re0,D1Re0 + BR $Lclear_page_loop + MOV PC,D1RtP + .size _clear_page,.-_clear_page |