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thermosphere: sw breakpoint code, etc.

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TuxSH 2019-08-08 21:38:13 +02:00
parent f8266775f6
commit 6289d2e398
12 changed files with 403 additions and 28 deletions
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13
thermosphere/src/utils.h
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@ -45,16 +45,25 @@ static inline void __isb(void)
__asm__ __volatile__ ("isb" ::: "memory");
}
static inline void __tlb_invalidate_el1_stage12(void)
{
__asm__ __volatile__ ("tlbi alle1" ::: "memory");
}
bool overlaps(u64 as, u64 ae, u64 bs, u64 be);
static inline uintptr_t get_physical_address_el1_stage12(const uintptr_t el1_vaddr) {
static inline uintptr_t get_physical_address_el1_stage12(bool *valid, const uintptr_t el1_vaddr) {
// NOTE: interrupt must be disabled when calling this func
uintptr_t PAR;
__asm__ __volatile__ ("at s12e1r, %0" :: "r"(el1_vaddr));
__asm__ __volatile__ ("at s12e1r, %0" :: "r"(el1_vaddr)); // note: we don't care whether it's writable in EL1&0 translation regime
__asm__ __volatile__ ("mrs %0, par_el1" : "=r"(PAR));
*valid = (PAR & 1) == 0ull;
return (PAR & 1) ? 0ull : (PAR & MASK2L(40, 12)) | ((uintptr_t)el1_vaddr & MASKL(12));
}
bool readEl1Memory(void *dst, uintptr_t addr, size_t size);
bool writeEl1Memory(uintptr_t addr, const void *src, size_t size);
static inline u32 read32le(const volatile void *dword, size_t offset) {
return *(u32 *)((uintptr_t)dword + offset);
}