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[Qemu-devel] [PATCH uq/master] kvm: Simplify kvm_handle_io
From: |
Jan Kiszka |
Subject: |
[Qemu-devel] [PATCH uq/master] kvm: Simplify kvm_handle_io |
Date: |
Tue, 13 Aug 2013 14:43:57 +0200 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 |
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 <address@hidden>
---
kvm-all.c | 28 ++--------------------------
1 files changed, 2 insertions(+), 26 deletions(-)
diff --git a/kvm-all.c b/kvm-all.c
index 716860f..c861354 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -1499,32 +1499,8 @@ 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;
}
}
--
1.7.3.4
- [Qemu-devel] [PATCH uq/master] kvm: Simplify kvm_handle_io,
Jan Kiszka <=