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Fix ttbl init pointer arith bug, other fixes

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This commit is contained in:
TuxSH 2018-02-28 23:35:30 +01:00
parent 0a89831193
commit 3d4dcdde13
4 changed files with 15 additions and 10 deletions
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7
exosphere/src/utils.h
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@ -7,11 +7,16 @@
#define BIT(n) (1u << (n))
#define BITL(n) (1ull << (n))
#define MASK(n) (BIT(n) - 1)
#define MASKL(n) (BITL(n) - 1)
#define MASK2(a,b) (MASK(a) & ~MASK(b))
#define MASK2L(a,b) (MASKL(a) & ~MASKL(b))
#define ALIGN(m) __attribute__((aligned(m)))
#define PACKED __attribute__((packed))
#define ALINLINE __attribute__((always_inline))
#define FAR_REACHING __attribute__((target("cmodel=large"), noinline))
__attribute__ ((noreturn)) void panic(uint32_t code);
__attribute__ ((noreturn)) void generic_panic(void);
@ -21,7 +26,7 @@ static inline uintptr_t get_physical_address(const void *vaddr) {
uintptr_t PAR;
__asm__ __volatile__ ("at s1e3r, %0" :: "r"(vaddr));
__asm__ __volatile__ ("mrs %0, par_el1" : "=r"(PAR));
return (PAR & 1) ? 0ull : (PAR & 0x00000FFFFFFFF000ull) | ((uintptr_t)vaddr & 0xFFF);
return (PAR & 1) ? 0ull : (PAR & MASK2L(40, 12)) | ((uintptr_t)vaddr & MASKL(12));
}
static inline uint32_t read32le(const volatile void *dword, size_t offset) {