Glauber Costa wrote:
introduce cpu_physical_memory_do_io, which handles
the mmio part of cpu_physical_memory_rw. KVM can use
it to do mmio, since mmio is essentially the same for
both KVM and tcg.
Signed-off-by: Glauber Costa <[email protected]>
---
cpu-all.h | 2 +
exec.c | 89 ++++++++++++++++++++++++++++++++++--------------------------
2 files changed, 52 insertions(+), 39 deletions(-)
diff --git a/cpu-all.h b/cpu-all.h
index 648264c..d46da05 100644
--- a/cpu-all.h
+++ b/cpu-all.h
@@ -910,6 +910,8 @@ int cpu_register_io_memory(int io_index,
CPUWriteMemoryFunc **cpu_get_io_memory_write(int io_index);
CPUReadMemoryFunc **cpu_get_io_memory_read(int io_index);
+int cpu_physical_memory_do_io(target_phys_addr_t addr, uint8_t *buf, int l,
+ int is_write, unsigned long pd);
void cpu_physical_memory_rw(target_phys_addr_t addr, uint8_t *buf,
int len, int is_write);
static inline void cpu_physical_memory_read(target_phys_addr_t addr,
diff --git a/exec.c b/exec.c
index 44f6a42..04eadfe 100644
--- a/exec.c
+++ b/exec.c
@@ -2891,12 +2891,58 @@ void cpu_physical_memory_rw(target_phys_addr_t addr,
uint8_t *buf,
}
#else
+int cpu_physical_memory_do_io(target_phys_addr_t addr, uint8_t *buf, int l,
int is_write, unsigned long pd)
+{
+ int io_index;
+ uint32_t val;
+
+ io_index = (pd >> IO_MEM_SHIFT) & (IO_MEM_NB_ENTRIES - 1);
+ if (is_write) {
+ /* XXX: could force cpu_single_env to NULL to avoid
That's some big identing :-)
Regards,
Anthony Liguori
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