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Implement flush_dcache_all_tzram_pa and invalidate_icache_all_inner_shareable_tzram_pa for the crt0s

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TuxSH
2018-02-28 19:06:41 +01:00
parent e5f293e004
commit 6be5b0a52f
5 changed files with 38 additions and 17 deletions
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4
exosphere/src/coldboot_init.c
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@@ -12,7 +12,7 @@ extern const uint8_t __vectors_start__[], __vectors_end__[], __vectors_lma__[];
/* warmboot_init.c */
void set_memory_registers_enable_mmu(void);
void flush_dcache_all_tzram_pa(void);
void invalidate_icache_all_tzram_pa(void);
void invalidate_icache_all_inner_shareable_tzram_pa(void);
static void identity_map_all_mappings(uintptr_t *mmu_l1_tbl, uintptr_t *mmu_l3_tbl) {
static const uintptr_t addrs[] = { TUPLE_FOLD_LEFT_0(EVAL(IDENTIY_MAPPING_ID_MAX), _MMAPID, COMMA) };
@@ -130,7 +130,7 @@ void coldboot_init(void) {
set_memory_registers_enable_mmu();
flush_dcache_all_tzram_pa();
invalidate_icache_all_tzram_pa();
invalidate_icache_all_inner_shareable_tzram_pa();
/* At this point we can access all the mapped segments */
/* TODO: zero-initialize the cpu context */
/* Nintendo clears the (emtpy) pk2ldr's BSS section here , but we embed it 0-filled in the binary */