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Code Issues Releases Activity

Fix the set_memory_registers_enable_mmu call

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This commit is contained in:
TuxSH 2018-03-01 00:05:18 +01:00
parent 3d4dcdde13
commit e34d86b16f
2 changed files with 29 additions and 10 deletions
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32
exosphere/src/coldboot_init.c
View file

@ -2,6 +2,7 @@
#include "utils.h"
#include "mmu.h"
#include "memory_map.h"
#include "arm.h"
extern const uint8_t __start_cold[];
@ -12,8 +13,6 @@ 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_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) };
@ -107,10 +106,6 @@ __attribute__((noinline)) static void copy_lma_to_vma(const void *vma, const voi
}
}
uintptr_t get_coldboot_crt0_stack_address(void) {
return TZRAM_GET_SEGMENT_PA(TZRAM_SEGMENT_ID_CORE3_STACK) + 0x800;
}
FAR_REACHING static void copy_warmboot_crt0(void) {
copy_lma_to_vma(__warmboot_crt0_start__, __warmboot_crt0_lma__, __warmboot_crt0_end__ - __warmboot_crt0_start__);
}
@ -121,11 +116,34 @@ FAR_REACHING static void copy_other_sections(void) {
copy_lma_to_vma(__vectors_start__, __vectors_lma__, __vectors_end__ - __vectors_start__);
}
FAR_REACHING static void set_memory_registers_enable_mmu_tzram_pa(void) {
volatile uintptr_t v = (uintptr_t)set_memory_registers_enable_mmu;
((void (*)(void))v)();
}
FAR_REACHING static void flush_dcache_all_tzram_pa(void) {
uintptr_t pa = TZRAM_GET_SEGMENT_PA(TZRAM_SEGMENT_ID_WARMBOOT_CRT0_AND_MAIN);
uintptr_t main_pa = pa | ((uintptr_t)__main_start__ & 0xFFF);
uintptr_t v = (uintptr_t)flush_dcache_all - (uintptr_t)__main_start__ + (uintptr_t)main_pa;
((void (*)(void))v)();
}
FAR_REACHING static void invalidate_icache_all_inner_shareable_tzram_pa(void) {
uintptr_t pa = TZRAM_GET_SEGMENT_PA(TZRAM_SEGMENT_ID_WARMBOOT_CRT0_AND_MAIN);
uintptr_t main_pa = pa | ((uintptr_t)__main_start__ & 0xFFF);
uintptr_t v = (uintptr_t)invalidate_icache_all_inner_shareable - (uintptr_t)__main_start__ + (uintptr_t)main_pa;
((void (*)(void))v)();
}
FAR_REACHING static void clear_bss(void) {
memset((void *)__pk2ldr_bss_start__, 0, __pk2ldr_end__ - __pk2ldr_bss_start__);
memset((void *)__main_bss_start__, 0, __main_end__ - __main_bss_start__);
}
uintptr_t get_coldboot_crt0_stack_address(void) {
return TZRAM_GET_SEGMENT_PA(TZRAM_SEGMENT_ID_CORE3_STACK) + 0x800;
}
void coldboot_init(void) {
/* TODO: Set NX BOOTLOADER clock time field */
@ -135,7 +153,7 @@ void coldboot_init(void) {
/* TODO: initialize DMA controllers, etc. */
configure_ttbls();
copy_other_sections();
set_memory_registers_enable_mmu();
set_memory_registers_enable_mmu_tzram_pa();
flush_dcache_all_tzram_pa();
invalidate_icache_all_inner_shareable_tzram_pa();

7
exosphere/src/warmboot_init.c
View file

@ -8,19 +8,20 @@ extern const uint8_t __main_start__[];
void __set_memory_registers(uintptr_t ttbr0, uintptr_t vbar, uint64_t cpuectlr, uint32_t scr,
uint32_t tcr, uint32_t cptr, uint64_t mair, uint32_t sctlr);
FAR_REACHING void flush_dcache_all_tzram_pa(void) {
/*
FAR_REACHING static void flush_dcache_all_tzram_pa(void) {
uintptr_t pa = TZRAM_GET_SEGMENT_PA(TZRAM_SEGMENT_ID_WARMBOOT_CRT0_AND_MAIN);
uintptr_t main_pa = pa | ((uintptr_t)__main_start__ & 0xFFF);
uintptr_t v = (uintptr_t)flush_dcache_all - (uintptr_t)__main_start__ + (uintptr_t)main_pa;
((void (*)(void))v)();
}
FAR_REACHING void invalidate_icache_all_inner_shareable_tzram_pa(void) {
FAR_REACHING static void invalidate_icache_all_inner_shareable_tzram_pa(void) {
uintptr_t pa = TZRAM_GET_SEGMENT_PA(TZRAM_SEGMENT_ID_WARMBOOT_CRT0_AND_MAIN);
uintptr_t main_pa = pa | ((uintptr_t)__main_start__ & 0xFFF);
uintptr_t v = (uintptr_t)invalidate_icache_all_inner_shareable - (uintptr_t)__main_start__ + (uintptr_t)main_pa;
((void (*)(void))v)();
}
}*/
uintptr_t get_warmboot_crt0_stack_address(void) {
return TZRAM_GET_SEGMENT_PA(TZRAM_SEGMENT_ID_CORE012_STACK) + 0x800;