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tcg: move page_size_init() function 

translate-all.c will be disabled if tcg is disabled in the build,
so page_size_init() function and related variables will be moved
to exec.c file.

Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Yang Zhong 2017-07-03 18:12:13 +08:00 committed by Paolo Bonzini
parent e7b161d573
commit a0be0c585f
3 changed files with 20 additions and 21 deletions
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18
accel/tcg/translate-all.c
View File

@ -112,9 +112,6 @@ typedef struct PageDesc {
#define V_L2_BITS 10 #define V_L2_BITS 10
#define V_L2_SIZE (1 << V_L2_BITS) #define V_L2_SIZE (1 << V_L2_BITS)
uintptr_t qemu_host_page_size;
intptr_t qemu_host_page_mask;
/* /*
* L1 Mapping properties * L1 Mapping properties
*/ */
@ -363,21 +360,6 @@ bool cpu_restore_state(CPUState *cpu, uintptr_t retaddr)
return r; return r;
} }
void page_size_init(void)
{
/* NOTE: we can always suppose that qemu_host_page_size >=
TARGET_PAGE_SIZE */
qemu_real_host_page_size = getpagesize();
qemu_real_host_page_mask = -(intptr_t)qemu_real_host_page_size;
if (qemu_host_page_size == 0) {
qemu_host_page_size = qemu_real_host_page_size;
}
if (qemu_host_page_size < TARGET_PAGE_SIZE) {
qemu_host_page_size = TARGET_PAGE_SIZE;
}
qemu_host_page_mask = -(intptr_t)qemu_host_page_size;
}
static void page_init(void) static void page_init(void)
{ {
page_size_init(); page_size_init();

3
accel/tcg/translate-common.c
View File

@ -23,9 +23,6 @@
#include "sysemu/cpus.h" #include "sysemu/cpus.h"
#include "qemu/main-loop.h" #include "qemu/main-loop.h"
uintptr_t qemu_real_host_page_size;
intptr_t qemu_real_host_page_mask;
#ifndef CONFIG_USER_ONLY #ifndef CONFIG_USER_ONLY
/* mask must never be zero, except for A20 change call */ /* mask must never be zero, except for A20 change call */
static void tcg_handle_interrupt(CPUState *cpu, int mask) static void tcg_handle_interrupt(CPUState *cpu, int mask)

20
exec.c
View File

@ -118,6 +118,11 @@ __thread CPUState *current_cpu;
2 = Adaptive rate instruction counting. */ 2 = Adaptive rate instruction counting. */
int use_icount; int use_icount;
uintptr_t qemu_host_page_size;
intptr_t qemu_host_page_mask;
uintptr_t qemu_real_host_page_size;
intptr_t qemu_real_host_page_mask;
bool set_preferred_target_page_bits(int bits) bool set_preferred_target_page_bits(int bits)
{ {
/* The target page size is the lowest common denominator for all /* The target page size is the lowest common denominator for all
@ -3590,3 +3595,18 @@ err:
} }
#endif #endif
void page_size_init(void)
{
/* NOTE: we can always suppose that qemu_host_page_size >=
TARGET_PAGE_SIZE */
qemu_real_host_page_size = getpagesize();
qemu_real_host_page_mask = -(intptr_t)qemu_real_host_page_size;
if (qemu_host_page_size == 0) {
qemu_host_page_size = qemu_real_host_page_size;
}
if (qemu_host_page_size < TARGET_PAGE_SIZE) {
qemu_host_page_size = TARGET_PAGE_SIZE;
}
qemu_host_page_mask = -(intptr_t)qemu_host_page_size;
}