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support for dynamic address space changes

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2021 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2006-06-25 22:25:22 +00:00
parent 2a4188a38f
commit 9d42037b1d
1 changed files with 8 additions and 0 deletions
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8
exec.c
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@ -1779,6 +1779,7 @@ void cpu_register_physical_memory(target_phys_addr_t start_addr,
{ {
target_phys_addr_t addr, end_addr; target_phys_addr_t addr, end_addr;
PhysPageDesc *p; PhysPageDesc *p;
CPUState *env;
size = (size + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK; size = (size + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK;
end_addr = start_addr + size; end_addr = start_addr + size;
@ -1789,6 +1790,13 @@ void cpu_register_physical_memory(target_phys_addr_t start_addr,
(phys_offset & IO_MEM_ROMD)) (phys_offset & IO_MEM_ROMD))
phys_offset += TARGET_PAGE_SIZE; phys_offset += TARGET_PAGE_SIZE;
} }
/* since each CPU stores ram addresses in its TLB cache, we must
reset the modified entries */
/* XXX: slow ! */
for(env = first_cpu; env != NULL; env = env->next_cpu) {
tlb_flush(env, 1);
}
} }
static uint32_t unassigned_mem_readb(void *opaque, target_phys_addr_t addr) static uint32_t unassigned_mem_readb(void *opaque, target_phys_addr_t addr)