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renamed mmutr_miss() to mmu_map_page() (that's what its doing)

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This commit is contained in:
Markus Fröschle
2014-01-13 21:26:42 +00:00
parent 63b19853a9
commit fcb5204fc8
2 changed files with 9 additions and 7 deletions
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2
include/mmu.h
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@@ -35,6 +35,6 @@ extern long video_tlb;
extern long video_sbt; extern long video_sbt;
extern void mmu_init(void); extern void mmu_init(void);
extern void mmutr_miss(uint32_t address); extern void mmu_map_page(uint32_t virt, uint32_t phys);
#endif /* _MMU_H_ */ #endif /* _MMU_H_ */

14
sys/mmu.c
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@@ -447,7 +447,7 @@ bool access_exception(uint32_t pc, uint32_t format_status)
} }
else /* map this page */ else /* map this page */
{ {
mmutr_miss(fault_address); mmu_map_page(fault_address, fault_address);
return true; return true;
} }
} }
@@ -456,16 +456,18 @@ bool access_exception(uint32_t pc, uint32_t format_status)
} }
void mmutr_miss(uint32_t address) void mmu_map_page(uint32_t virt, uint32_t phys)
{ {
dbg("MMU TLB MISS accessing 0x%08x\r\n", address); dbg("%s: map virt=%p to phys=%p\r\n", virt, phys);
/* add missed page to TLB */ /*
MCF_MMU_MMUTR = (address & 0xfff00000) | /* virtual aligned to 1M */ * add page to TLB
*/
MCF_MMU_MMUTR = (virt & 0xfff00000) | /* virtual aligned to 1M */
MCF_MMU_MMUTR_SG | /* shared global */ MCF_MMU_MMUTR_SG | /* shared global */
MCF_MMU_MMUTR_V; /* valid */ MCF_MMU_MMUTR_V; /* valid */
MCF_MMU_MMUDR = (address & 0xfff00000) | /* physical aligned to 1M */ MCF_MMU_MMUDR = (phys & 0xfff00000) | /* physical aligned to 1M */
MCF_MMU_MMUDR_SZ(0) | /* 1 MB page size */ MCF_MMU_MMUDR_SZ(0) | /* 1 MB page size */
MCF_MMU_MMUDR_CM(0x1) | /* cacheable copyback */ MCF_MMU_MMUDR_CM(0x1) | /* cacheable copyback */
MCF_MMU_MMUDR_R | /* read access enable */ MCF_MMU_MMUDR_R | /* read access enable */