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add virtuall tlb

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this virtuall tlb allows to use mmu indipendent of the architectur
This commit is contained in:
Takacs, Philipp
2022-10-05 16:53:24 +02:00
parent 759d694e24
commit e25419bb2d
36 changed files with 434 additions and 25 deletions
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17
qemu/unicorn_common.h
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@@ -11,6 +11,9 @@
void vm_start(struct uc_struct*);
void tcg_exec_init(struct uc_struct *uc, unsigned long tb_size);
bool unicorn_fill_tlb(CPUState *cs, vaddr address, int size,
MMUAccessType rw, int mmu_idx,
bool probe, uintptr_t retaddr);
// return true on success, false on failure
static inline bool cpu_physical_mem_read(AddressSpace *as, hwaddr addr,
@@ -91,6 +94,19 @@ static inline void target_page_init(struct uc_struct* uc)
uc->target_page_align = TARGET_PAGE_SIZE - 1;
}
static uc_err uc_set_tlb(struct uc_struct *uc, int mode) {
switch (mode) {
case UC_TLB_VIRTUAL:
uc->cpu->cc->tlb_fill = unicorn_fill_tlb;
return UC_ERR_OK;
case UC_TLB_CPU:
uc->cpu->cc->tlb_fill = uc->cpu->cc->tlb_fill_cpu;
return UC_ERR_OK;
default:
return UC_ERR_ARG;
}
}
void softfloat_init(void);
static inline void uc_common_init(struct uc_struct* uc)
{
@@ -107,6 +123,7 @@ static inline void uc_common_init(struct uc_struct* uc)
uc->softfloat_initialize = softfloat_init;
uc->tcg_flush_tlb = tcg_flush_softmmu_tlb;
uc->memory_map_io = memory_map_io;
uc->set_tlb = uc_set_tlb;
if (!uc->release)
uc->release = release_common;