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Move source files to src/, add Makefile, fix all build and linkage errors, etc.

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This commit is contained in:
TuxSH 2018-02-25 20:00:50 +01:00
parent 4c7aa566f0
commit b0ea9c1a0b
58 changed files with 385 additions and 203 deletions
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33
exosphere/coldboot_main.c
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@ -1,33 +0,0 @@
#include <string.h>
#include "utils.h"
#include "mmu.h"
#include "memory_map.h"
extern void (*__fini_array_start[])(void);
extern void (*__fini_array_end[])(void);
extern void _fini(void);
extern uint8_t __pk2ldr_start__[], __pk2ldr_end__[];
extern void __jump_to_lower_el(uint64_t arg, uintptr_t ep, unsigned int el);
void coldboot_main(void);
/* Needs to be called for EL3->EL3 chainloading (and only in that case). TODO: use it */
static void __libc_fini_array(void) __attribute__((used)) {
for (size_t i = __fini_array_end - __fini_array_start; i > 0; i--)
__fini_array_start[i - 1]();
_fini(); /* FIXME: do we have this gcc-provided symbol if we build with -nostartfiles? */
}
void coldboot_main(void) {
uintptr_t *mmu_l3_table = (uintptr_t *)tzram_get_segment_address(TZRAM_SEGMENT_ID_L3_TRANSLATION_TABLE);
void *pk2ldr = (void *)tzram_get_segment_address(TZRAM_SEGMENT_ID_PK2LDR);
/* Clear and unmap pk2ldr (which is reused as exception entry stacks) */
memset(pk2ldr, 0, __pk2ldr_end__ - __pk2ldr_start__);
mmu_unmap_range(mmu_l3_table, pk2ldr, __pk2ldr_end__ - __pk2ldr_start__);
tlb_invalidate_all_inner_shareable();
/* TODO: stuff & jump to lower EL */
}