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post/lib_powerpc/multi.c: code cleanup

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Clean up and document the code:

- get rid of unneeded code block
- add comment which code is generated

Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Stefan Roese <sr@denx.de>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: Kim Phillips <kim.phillips@freescale.com>
Cc: Andy Fleming <afleming@gmail.com>
Acked-by: Anatolij Gustschin <agust@denx.de>
This commit is contained in:
Wolfgang Denk
2011-12-23 01:29:11 +00:00
parent a63aec54a4
commit 38081ff7a4
1 changed files with 13 additions and 16 deletions
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29
post/lib_powerpc/multi.c
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@@ -44,27 +44,24 @@ int cpu_post_test_multi(void)
{ {
int ret = 0; int ret = 0;
unsigned int i; unsigned int i;
ulong src[26], dst[26];
int flag = disable_interrupts(); int flag = disable_interrupts();
if (ret == 0) { ulong code[] = {
ulong src[26], dst[26]; ASM_LMW(5, 3, 0), /* lmw r5, 0(r3) */
ASM_STMW(5, 4, 0), /* stmr r5, 0(r4) */
ASM_BLR, /* blr */
};
ulong code[] = { for (i = 0; i < ARRAY_SIZE(src); ++i) {
ASM_LMW(5, 3, 0), src[i] = i;
ASM_STMW(5, 4, 0), dst[i] = 0;
ASM_BLR,
};
for (i = 0; i < ARRAY_SIZE(src); ++i) {
src[i] = i;
dst[i] = 0;
}
cpu_post_exec_02(code, (ulong) src, (ulong) dst);
ret = memcmp(src, dst, sizeof(dst)) == 0 ? 0 : -1;
} }
cpu_post_exec_02(code, (ulong) src, (ulong) dst);
ret = memcmp(src, dst, sizeof(dst)) == 0 ? 0 : -1;
if (ret != 0) if (ret != 0)
post_log("Error at multi test !\n"); post_log("Error at multi test !\n");