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[Qemu-devel] [PATCH 17/20] add hook to cpu_register_physical_memory
From: |
Glauber Costa |
Subject: |
[Qemu-devel] [PATCH 17/20] add hook to cpu_register_physical_memory |
Date: |
Fri, 27 Jun 2008 17:38:20 -0300 |
kqemu has a hook in it, so add an accel wrapper.
However, we still provide a double underlined version
which does not call the wrapper. That's basically because kqemu
call cpu_register_physical_memory itself during its initialization.
Signed-off-by: Glauber Costa <address@hidden>
---
accel.h | 11 +++++++++++
exec.c | 22 ++++++++++++----------
kqemu.c | 1 +
3 files changed, 24 insertions(+), 10 deletions(-)
diff --git a/accel.h b/accel.h
index 9755a9b..a9eee65 100644
--- a/accel.h
+++ b/accel.h
@@ -10,6 +10,9 @@ typedef struct QEMUAccel {
void (*set_notdirty)(ram_addr_t addr);
void (*modify_page)(ram_addr_t addr, int dirty_flags);
uint64_t (*get_real_ticks)(void);
+ void (*register_physical_memory)(uint64_t start_addr,
+ ram_addr_t size, ram_addr_t phys_offset);
+
} QEMUAccel;
typedef struct QEMUCont {
@@ -124,3 +127,11 @@ static inline uint64_t accel_get_real_ticks(void)
return current_accel->get_real_ticks();
return cpu_get_ticks();
}
+
+static inline void accel_register_phys_mem(uint64_t start_addr,
+ ram_addr_t size,
+ ram_addr_t phys_offset)
+{
+ if (current_accel && current_accel->register_physical_memory)
+ current_accel->register_physical_memory(start_addr, size, phys_offset);
+}
diff --git a/exec.c b/exec.c
index e5d3fea..d6490ba 100644
--- a/exec.c
+++ b/exec.c
@@ -2064,9 +2064,9 @@ static void *subpage_init (target_phys_addr_t base,
ram_addr_t *phys,
/* register physical memory. 'size' must be a multiple of the target
page size. If (phys_offset & ~TARGET_PAGE_MASK) != 0, then it is an
io memory page */
-void cpu_register_physical_memory(target_phys_addr_t start_addr,
- ram_addr_t size,
- ram_addr_t phys_offset)
+void __cpu_register_physical_memory(target_phys_addr_t start_addr,
+ ram_addr_t size,
+ ram_addr_t phys_offset)
{
target_phys_addr_t addr, end_addr;
PhysPageDesc *p;
@@ -2074,13 +2074,6 @@ void cpu_register_physical_memory(target_phys_addr_t
start_addr,
ram_addr_t orig_size = size;
void *subpage;
-#ifdef USE_KQEMU
- /* XXX: should not depend on cpu context */
- env = first_cpu;
- if (env && env->kqemu_enabled) {
- kqemu_set_phys_mem(start_addr, size, phys_offset);
- }
-#endif
size = (size + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK;
end_addr = start_addr + (target_phys_addr_t)size;
for(addr = start_addr; addr != end_addr; addr += TARGET_PAGE_SIZE) {
@@ -2138,6 +2131,15 @@ void cpu_register_physical_memory(target_phys_addr_t
start_addr,
}
}
+void cpu_register_physical_memory(target_phys_addr_t start_addr,
+ ram_addr_t size,
+ ram_addr_t phys_offset)
+{
+ accel_register_phys_mem(start_addr, size, phys_offset);
+
+ __cpu_register_physical_memory(start_addr, size, phys_offset);
+}
+
/* XXX: temporary until new memory mapping API */
ram_addr_t cpu_get_physical_page_desc(target_phys_addr_t addr)
{
diff --git a/kqemu.c b/kqemu.c
index 783b036..e8ce6cf 100644
--- a/kqemu.c
+++ b/kqemu.c
@@ -448,6 +448,7 @@ QEMUAccel kqemu_accel = {
because kqemu does not trap the RDTSC instruction for
performance reasons */
.get_real_ticks = cpu_get_real_ticks,
+ .register_physical_memory = kqemu_set_phys_mem,
};
static void __attribute__((constructor)) register_kqemu(void)
--
1.5.5.1
- [Qemu-devel] [PATCH 07/20] move kqemu externs to kqemu.h, (continued)
- [Qemu-devel] [PATCH 07/20] move kqemu externs to kqemu.h, Glauber Costa, 2008/06/27
- [Qemu-devel] [PATCH 08/20] move disabling code to kqemu.c instead of vl.c, Glauber Costa, 2008/06/27
- [Qemu-devel] [PATCH 09/20] set_notdirty goes through accel wrapper, Glauber Costa, 2008/06/27
- [Qemu-devel] [PATCH 10/20] wrap modify_page through accel calls, Glauber Costa, 2008/06/27
- [Qemu-devel] [PATCH 11/20] remove kqemu reference from hw/pc.c, Glauber Costa, 2008/06/27
- [Qemu-devel] [PATCH 12/20] build list of available accelerators, Glauber Costa, 2008/06/27
- [Qemu-devel] [PATCH 13/20] decorate application name, Glauber Costa, 2008/06/27
- [Qemu-devel] [PATCH 14/20] tsc: kvm will use it, but it is pretty general, Glauber Costa, 2008/06/27
- [Qemu-devel] [PATCH 15/20] shift for masks., Glauber Costa, 2008/06/27
- [Qemu-devel] [PATCH 16/20] small changes in headers needed to acomodate kvm files as is., Glauber Costa, 2008/06/27
- [Qemu-devel] [PATCH 17/20] add hook to cpu_register_physical_memory,
Glauber Costa <=
- [Qemu-devel] [PATCH 18/20] accel_trace_io, Glauber Costa, 2008/06/27
- [Qemu-devel] [PATCH 19/20] get_env accel wrapper, Glauber Costa, 2008/06/27
- [Qemu-devel] [PATCH 20/20] add next_cpu_index, Glauber Costa, 2008/06/27