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authorPaolo Bonzini <pbonzini@redhat.com>2013-05-24 14:34:08 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2013-05-29 16:26:21 +0200
commit2a8e7499093cd33a607ebd7c1cd591169aa68a3e (patch)
tree104c7f6d28eb170b0d0f0a69abf08da429939792 /include/exec
parent6a4e17711442849bf2cc731ccddef5a2a2d92d29 (diff)
downloadqemu-2a8e7499093cd33a607ebd7c1cd591169aa68a3e.zip
exec: eliminate io_mem_ram
It is never used, the IOTLB always goes through io_mem_notdirty. In fact in softmmu_template.h, if it were, QEMU would crash just below the tests, as soon as io_mem_read/write dispatches to error_mem_read/write. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'include/exec')
-rw-r--r--include/exec/cpu-common.h1
-rw-r--r--include/exec/softmmu_template.h4
2 files changed, 2 insertions, 3 deletions
diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h
index af5258d414..1686b8f546 100644
--- a/include/exec/cpu-common.h
+++ b/include/exec/cpu-common.h
@@ -110,7 +110,6 @@ void stq_phys(hwaddr addr, uint64_t val);
void cpu_physical_memory_write_rom(hwaddr addr,
const uint8_t *buf, int len);
-extern struct MemoryRegion io_mem_ram;
extern struct MemoryRegion io_mem_rom;
extern struct MemoryRegion io_mem_unassigned;
extern struct MemoryRegion io_mem_notdirty;
diff --git a/include/exec/softmmu_template.h b/include/exec/softmmu_template.h
index b219191abd..4501dacad1 100644
--- a/include/exec/softmmu_template.h
+++ b/include/exec/softmmu_template.h
@@ -68,7 +68,7 @@ static inline DATA_TYPE glue(io_read, SUFFIX)(CPUArchState *env,
physaddr = (physaddr & TARGET_PAGE_MASK) + addr;
env->mem_io_pc = retaddr;
- if (mr != &io_mem_ram && mr != &io_mem_rom
+ if (mr != &io_mem_rom
&& mr != &io_mem_unassigned
&& mr != &io_mem_notdirty
&& !can_do_io(env)) {
@@ -218,7 +218,7 @@ static inline void glue(io_write, SUFFIX)(CPUArchState *env,
MemoryRegion *mr = iotlb_to_region(physaddr);
physaddr = (physaddr & TARGET_PAGE_MASK) + addr;
- if (mr != &io_mem_ram && mr != &io_mem_rom
+ if (mr != &io_mem_rom
&& mr != &io_mem_unassigned
&& mr != &io_mem_notdirty
&& !can_do_io(env)) {