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[Qemu-ppc] [PATCH v3 08/10] Convert address_space_rw to use MemoryAccess
From: |
Andrey Smirnov |
Subject: |
[Qemu-ppc] [PATCH v3 08/10] Convert address_space_rw to use MemoryAccessType |
Date: |
Tue, 19 Jul 2016 22:02:58 -0700 |
Convert address_space_rw() to use MemoryAccessType following the
conversion of cpu_memory_rw_debug().
Signed-off-by: Andrey Smirnov <address@hidden>
---
exec.c | 14 +++++++++-----
include/exec/memory.h | 7 +++++--
kvm-all.c | 8 +++++---
scripts/coverity-model.c | 9 +++++++--
4 files changed, 26 insertions(+), 12 deletions(-)
diff --git a/exec.c b/exec.c
index 995ff60..5557cc9 100644
--- a/exec.c
+++ b/exec.c
@@ -2726,12 +2726,16 @@ MemTxResult address_space_read_full(AddressSpace *as,
hwaddr addr,
}
MemTxResult address_space_rw(AddressSpace *as, hwaddr addr, MemTxAttrs attrs,
- uint8_t *buf, int len, bool is_write)
+ uint8_t *buf, int len,
+ MemoryAccessType access_type)
{
- if (is_write) {
+ switch (access_type) {
+ case MEM_DATA_STORE:
return address_space_write(as, addr, attrs, buf, len);
- } else {
+ case MEM_DATA_LOAD:
return address_space_read(as, addr, attrs, buf, len);
+ default:
+ abort();
}
}
@@ -2739,7 +2743,7 @@ void cpu_physical_memory_rw(hwaddr addr, uint8_t *buf,
int len, int is_write)
{
address_space_rw(&address_space_memory, addr, MEMTXATTRS_UNSPECIFIED,
- buf, len, is_write);
+ buf, len, is_write ? MEM_DATA_STORE : MEM_DATA_LOAD);
}
enum write_rom_type {
@@ -3651,7 +3655,7 @@ int cpu_memory_rw_debug(CPUState *cpu, target_ulong addr,
} else {
address_space_rw(cpu->cpu_ases[asidx].as, phys_addr,
MEMTXATTRS_UNSPECIFIED,
- buf, l, 0);
+ buf, l, access_type);
}
len -= l;
buf += l;
diff --git a/include/exec/memory.h b/include/exec/memory.h
index 7851ca9..da56c0e 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -22,6 +22,7 @@
#define DIRTY_MEMORY_NUM 3 /* num of dirty bits */
#include "exec/cpu-common.h"
+#include "qom/cpu.h"
#ifndef CONFIG_USER_ONLY
#include "exec/hwaddr.h"
#endif
@@ -1284,11 +1285,13 @@ void address_space_destroy(AddressSpace *as);
* @addr: address within that address space
* @attrs: memory transaction attributes
* @buf: buffer with the data transferred
- * @is_write: indicates the transfer direction
+ * @access_type: indicates the transfer direction (only valid values
+ * are MEM_DATA_LOAD for data reads and MEM_DATA_STORE for data
+ * writes)
*/
MemTxResult address_space_rw(AddressSpace *as, hwaddr addr,
MemTxAttrs attrs, uint8_t *buf,
- int len, bool is_write);
+ int len, MemoryAccessType access_type);
/**
* address_space_write: write to address space.
diff --git a/kvm-all.c b/kvm-all.c
index a88f917..ed45a95 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -1767,11 +1767,12 @@ static void kvm_handle_io(uint16_t port, MemTxAttrs
attrs, void *data, int direc
{
int i;
uint8_t *ptr = data;
+ MemoryAccessType access_type =
+ (direction == KVM_EXIT_IO_OUT) ? MEM_DATA_STORE : MEM_DATA_LOAD;
for (i = 0; i < count; i++) {
address_space_rw(&address_space_io, port, attrs,
- ptr, size,
- direction == KVM_EXIT_IO_OUT);
+ ptr, size, access_type);
ptr += size;
}
}
@@ -1947,7 +1948,8 @@ int kvm_cpu_exec(CPUState *cpu)
run->mmio.phys_addr, attrs,
run->mmio.data,
run->mmio.len,
- run->mmio.is_write);
+ run->mmio.is_write ?
+ MEM_DATA_STORE : MEM_DATA_LOAD);
ret = 0;
break;
case KVM_EXIT_IRQ_WINDOW_OPEN:
diff --git a/scripts/coverity-model.c b/scripts/coverity-model.c
index ee5bf9d..c5603b5 100644
--- a/scripts/coverity-model.c
+++ b/scripts/coverity-model.c
@@ -68,13 +68,18 @@ static void __bufread(uint8_t *buf, ssize_t len)
}
MemTxResult address_space_rw(AddressSpace *as, hwaddr addr, MemTxAttrs attrs,
- uint8_t *buf, int len, bool is_write)
+ uint8_t *buf, int len,
+ MemoryAccessType access_type)
{
MemTxResult result;
// TODO: investigate impact of treating reads as producing
// tainted data, with __coverity_tainted_data_argument__(buf).
- if (is_write) __bufread(buf, len); else __bufwrite(buf, len);
+ if (access_type == MEM_DATA_STORE) {
+ __bufread(buf, len);
+ } else {
+ __bufwrite(buf, len);
+ }
return result;
}
--
2.5.5
- [Qemu-ppc] [PATCH v3 00/10] Support non-direct memory writes in cpu_memory_rw_debug, Andrey Smirnov, 2016/07/20
- [Qemu-ppc] [PATCH v3 04/10] address_space_write_continue: Distill common code, Andrey Smirnov, 2016/07/20
- [Qemu-ppc] [PATCH v3 02/10] Change signature of address_space_read() to avoid casting, Andrey Smirnov, 2016/07/20
- [Qemu-ppc] [PATCH v3 03/10] Change signature of address_space_write() to avoid casting, Andrey Smirnov, 2016/07/20
- [Qemu-ppc] [PATCH v3 01/10] Avoid needless calls to address_space_rw(), Andrey Smirnov, 2016/07/20
- [Qemu-ppc] [PATCH v3 08/10] Convert address_space_rw to use MemoryAccessType,
Andrey Smirnov <=
- [Qemu-ppc] [PATCH v3 09/10] gdbstub: Convert target_memory_rw_debug to use MemoryAccessType, Andrey Smirnov, 2016/07/20
- [Qemu-ppc] [PATCH v3 10/10] exec: Use address_space_rw to handle reads and wirtes, Andrey Smirnov, 2016/07/20
- [Qemu-ppc] [PATCH v3 07/10] Convert cpu_memory_rw_debug to use MemoryAccessType, Andrey Smirnov, 2016/07/20
- [Qemu-ppc] [PATCH v3 05/10] Rename MMUAccessType to MemoryAccessType, Andrey Smirnov, 2016/07/20
- [Qemu-ppc] [PATCH v3 06/10] Change signature of cpu_memory_rw_debug() to avoid casting, Andrey Smirnov, 2016/07/20