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Add target_page_size member to uc_struct to track TARGET_PAGE_SIZE

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This commit is contained in:
Chris Eagle 2015-08-31 01:00:44 -07:00
parent 410e317e92
commit b27e987932
4 changed files with 19 additions and 17 deletions
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3
include/uc_priv.h
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@ -175,6 +175,9 @@ struct uc_struct {
bool block_full; bool block_full;
MemoryRegion **mapped_blocks; MemoryRegion **mapped_blocks;
uint32_t mapped_block_count; uint32_t mapped_block_count;
uint32_t target_page_size;
uint32_t target_page_align;
}; };
#include "qemu_macro.h" #include "qemu_macro.h"

2
qemu/memory.c
View file

@ -49,7 +49,7 @@ void memory_unmap(struct uc_struct *uc, MemoryRegion *mr)
{ {
target_ulong addr; target_ulong addr;
//make sure all pages associated with the MemoryRegion are flushed //make sure all pages associated with the MemoryRegion are flushed
for (addr = mr->addr; addr < mr->end; addr += TARGET_PAGE_SIZE) { for (addr = mr->addr; addr < mr->end; addr += uc->target_page_size) {
tlb_flush_page(uc->current_cpu, addr); tlb_flush_page(uc->current_cpu, addr);
} }
mr->enabled = false; mr->enabled = false;

3
qemu/unicorn_common.h
View file

@ -76,6 +76,9 @@ static inline void uc_common_init(struct uc_struct* uc)
uc->memory_unmap = memory_unmap; uc->memory_unmap = memory_unmap;
uc->readonly_mem = memory_region_set_readonly; uc->readonly_mem = memory_region_set_readonly;
uc->target_page_size = TARGET_PAGE_SIZE;
uc->target_page_align = TARGET_PAGE_SIZE - 1;
if (!uc->release) if (!uc->release)
uc->release = release_common; uc->release = release_common;
} }

28
uc.c
View file

@ -31,10 +31,6 @@
#include "qemu/include/hw/boards.h" #include "qemu/include/hw/boards.h"
//keep this a power of two!
#define UC_PAGE_SIZE 0x1000
#define UC_ALIGN_MASK (UC_PAGE_SIZE - 1)
static uint8_t *copy_region(uch uc, MemoryRegion *mr); static uint8_t *copy_region(uch uc, MemoryRegion *mr);
static bool split_region(uch handle, MemoryRegion *mr, uint64_t address, size_t size, bool do_delete); static bool split_region(uch handle, MemoryRegion *mr, uint64_t address, size_t size, bool do_delete);
@ -629,12 +625,12 @@ uc_err uc_mem_map(uch handle, uint64_t address, size_t size, uint32_t perms)
// invalid memory mapping // invalid memory mapping
return UC_ERR_MAP; return UC_ERR_MAP;
// address must be aligned to UC_PAGE_SIZE // address must be aligned to uc->target_page_size
if ((address & UC_ALIGN_MASK) != 0) if ((address & uc->target_page_align) != 0)
return UC_ERR_MAP; return UC_ERR_MAP;
// size must be multiple of UC_PAGE_SIZE // size must be multiple of uc->target_page_size
if ((size & UC_ALIGN_MASK) != 0) if ((size & uc->target_page_align) != 0)
return UC_ERR_MAP; return UC_ERR_MAP;
// check for only valid permissions // check for only valid permissions
@ -773,12 +769,12 @@ uc_err uc_mem_protect(uch handle, uint64_t address, size_t size, uint32_t perms)
// invalid memory mapping // invalid memory mapping
return UC_ERR_MAP; return UC_ERR_MAP;
// address must be aligned to UC_PAGE_SIZE // address must be aligned to uc->target_page_size
if ((address & UC_ALIGN_MASK) != 0) if ((address & uc->target_page_align) != 0)
return UC_ERR_MAP; return UC_ERR_MAP;
// size must be multiple of UC_PAGE_SIZE // size must be multiple of uc->target_page_size
if ((size & UC_ALIGN_MASK) != 0) if ((size & uc->target_page_align) != 0)
return UC_ERR_MAP; return UC_ERR_MAP;
// check for only valid permissions // check for only valid permissions
@ -833,12 +829,12 @@ uc_err uc_mem_unmap(uch handle, uint64_t address, size_t size)
// nothing to unmap // nothing to unmap
return UC_ERR_OK; return UC_ERR_OK;
// address must be aligned to UC_PAGE_SIZE // address must be aligned to uc->target_page_size
if ((address & UC_ALIGN_MASK) != 0) if ((address & uc->target_page_align) != 0)
return UC_ERR_MAP; return UC_ERR_MAP;
// size must be multiple of UC_PAGE_SIZE // size must be multiple of uc->target_page_size
if ((size & UC_ALIGN_MASK) != 0) if ((size & uc->target_page_align) != 0)
return UC_ERR_MAP; return UC_ERR_MAP;
//check that user's entire requested block is mapped //check that user's entire requested block is mapped