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authorJan Kiszka <jan.kiszka@siemens.com>2013-08-13 14:43:57 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2013-08-20 18:37:17 +0200
commit354678c5ce162649906e4e1be2859f3df372668f (patch)
tree312a725f005b45ff380faa3a3409d121e133ed79 /kvm-all.c
parentdf67696e97d3edd0cb1683bf2eb3b3236bd9a5ed (diff)
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kvm: Simplify kvm_handle_io
Now that cpu_in/out is just a wrapper around address_space_rw, we can also call the latter directly. As host endianness == guest endianness, there is no need for the memory access helpers st*_p/ld*_p as well. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'kvm-all.c')
-rw-r--r--kvm-all.c28
1 files changed, 2 insertions, 26 deletions
diff --git a/kvm-all.c b/kvm-all.c
index bfa4aac..ef52a0f 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -1508,32 +1508,8 @@ static void kvm_handle_io(uint16_t port, void *data, int direction, int size,
uint8_t *ptr = data;
for (i = 0; i < count; i++) {
- if (direction == KVM_EXIT_IO_IN) {
- switch (size) {
- case 1:
- stb_p(ptr, cpu_inb(port));
- break;
- case 2:
- stw_p(ptr, cpu_inw(port));
- break;
- case 4:
- stl_p(ptr, cpu_inl(port));
- break;
- }
- } else {
- switch (size) {
- case 1:
- cpu_outb(port, ldub_p(ptr));
- break;
- case 2:
- cpu_outw(port, lduw_p(ptr));
- break;
- case 4:
- cpu_outl(port, ldl_p(ptr));
- break;
- }
- }
-
+ address_space_rw(&address_space_io, port, ptr, size,
+ direction == KVM_EXIT_IO_OUT);
ptr += size;
}
}