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translated copy loop to C

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This commit is contained in:
Markus Fröschle
2014-02-04 20:06:29 +00:00
parent a7d1aef6ca
commit 21b77e3cae
1 changed files with 22 additions and 1 deletions
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23
BaS_gcc/sys/interrupts.c
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@@ -243,6 +243,8 @@ extern int32_t video_tlb;
void video_addr_timeout(void)
{
uint32_t addr = 0x0L;
uint32_t *src;
uint32_t *dst;
uint32_t asid;
dbg("%s:\r\n", __FUNCTION__);
@@ -301,7 +303,26 @@ void video_addr_timeout(void)
MCF_MMU_MMUTR_V;
}
/* TODO: update MMU */
MCF_MMU_MMUTR = addr;
MCF_MMU_MMUDR = page_attr;
MCF_MMU_MMUOR =
MCF_MMU_MMUOR_STLB |
MCF_MMU_MMUOR_ADR |
MCF_MMU_MMUOR_ACC |
MCF_MMU_MMUOR_UAA;
NOP();
dst = 0x60000000 + addr;
src = addr;
while (dst < 0x60000000 + addr + 0x10000)
{
*dst++ = *src++;
*dst++ = *src++;
*dst++ = *src++;
*dst++ = *src++;
}
addr += 0x100000;