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move public invalidate APIs out of translate-all.{c,h}, clean up
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Place them in exec.c, exec-all.h and ram_addr.h.  This removes
knowledge of translate-all.h (which is an internal header) from
several files outside accel/tcg and removes knowledge of
AddressSpace from translate-all.c (as it only operates on ram_addr_t).

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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bonzini committed Jun 28, 2018
1 parent a99761d commit 8bca9a0
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Showing 8 changed files with 38 additions and 41 deletions.
28 changes: 6 additions & 22 deletions accel/tcg/translate-all.c
Expand Up @@ -46,7 +46,7 @@
#endif
#endif
#else
#include "exec/address-spaces.h"
#include "exec/ram_addr.h"
#endif

#include "exec/cputlb.h"
Expand Down Expand Up @@ -1934,7 +1934,11 @@ void tb_invalidate_phys_page_range(tb_page_addr_t start, tb_page_addr_t end,
*
* Called with mmap_lock held for user-mode emulation.
*/
void tb_invalidate_phys_range(tb_page_addr_t start, tb_page_addr_t end)
#ifdef CONFIG_SOFTMMU
void tb_invalidate_phys_range(ram_addr_t start, ram_addr_t end)
#else
void tb_invalidate_phys_range(target_ulong start, target_ulong end)
#endif
{
struct page_collection *pages;
tb_page_addr_t next;
Expand Down Expand Up @@ -2073,26 +2077,6 @@ static bool tb_invalidate_phys_page(tb_page_addr_t addr, uintptr_t pc)
}
#endif

#if !defined(CONFIG_USER_ONLY)
void tb_invalidate_phys_addr(AddressSpace *as, hwaddr addr, MemTxAttrs attrs)
{
ram_addr_t ram_addr;
MemoryRegion *mr;
hwaddr l = 1;

rcu_read_lock();
mr = address_space_translate(as, addr, &addr, &l, false, attrs);
if (!(memory_region_is_ram(mr)
|| memory_region_is_romd(mr))) {
rcu_read_unlock();
return;
}
ram_addr = memory_region_get_ram_addr(mr) + addr;
tb_invalidate_phys_page_range(ram_addr, ram_addr + 1, 0);
rcu_read_unlock();
}
#endif /* !defined(CONFIG_USER_ONLY) */

/* user-mode: call with mmap_lock held */
void tb_check_watchpoint(CPUState *cpu)
{
Expand Down
1 change: 0 additions & 1 deletion accel/tcg/translate-all.h
Expand Up @@ -30,7 +30,6 @@ void tb_invalidate_phys_page_fast(struct page_collection *pages,
tb_page_addr_t start, int len);
void tb_invalidate_phys_page_range(tb_page_addr_t start, tb_page_addr_t end,
int is_cpu_write_access);
void tb_invalidate_phys_range(tb_page_addr_t start, tb_page_addr_t end);
void tb_check_watchpoint(CPUState *cpu);

#ifdef CONFIG_USER_ONLY
Expand Down
29 changes: 25 additions & 4 deletions exec.c
Expand Up @@ -1028,13 +1028,36 @@ const char *parse_cpu_model(const char *cpu_model)
}

#if defined(CONFIG_USER_ONLY)
static void breakpoint_invalidate(CPUState *cpu, target_ulong pc)
void tb_invalidate_phys_addr(target_ulong addr)
{
mmap_lock();
tb_invalidate_phys_page_range(pc, pc + 1, 0);
tb_invalidate_phys_page_range(addr, addr + 1, 0);
mmap_unlock();
}

static void breakpoint_invalidate(CPUState *cpu, target_ulong pc)
{
tb_invalidate_phys_addr(pc);
}
#else
void tb_invalidate_phys_addr(AddressSpace *as, hwaddr addr, MemTxAttrs attrs)
{
ram_addr_t ram_addr;
MemoryRegion *mr;
hwaddr l = 1;

rcu_read_lock();
mr = address_space_translate(as, addr, &addr, &l, false, attrs);
if (!(memory_region_is_ram(mr)
|| memory_region_is_romd(mr))) {
rcu_read_unlock();
return;
}
ram_addr = memory_region_get_ram_addr(mr) + addr;
tb_invalidate_phys_page_range(ram_addr, ram_addr + 1, 0);
rcu_read_unlock();
}

static void breakpoint_invalidate(CPUState *cpu, target_ulong pc)
{
MemTxAttrs attrs;
Expand Down Expand Up @@ -3146,9 +3169,7 @@ static void invalidate_and_set_dirty(MemoryRegion *mr, hwaddr addr,
}
if (dirty_log_mask & (1 << DIRTY_MEMORY_CODE)) {
assert(tcg_enabled());
mmap_lock();
tb_invalidate_phys_range(addr, addr + length);
mmap_unlock();
dirty_log_mask &= ~(1 << DIRTY_MEMORY_CODE);
}
cpu_physical_memory_set_dirty_range(addr, length, dirty_log_mask);
Expand Down
8 changes: 4 additions & 4 deletions include/exec/exec-all.h
Expand Up @@ -299,14 +299,14 @@ static inline void tlb_flush_page_by_mmuidx_all_cpus_synced(CPUState *cpu,
static inline void tlb_flush_by_mmuidx_all_cpus(CPUState *cpu, uint16_t idxmap)
{
}

static inline void tlb_flush_by_mmuidx_all_cpus_synced(CPUState *cpu,
uint16_t idxmap)
{
}
static inline void tb_invalidate_phys_addr(AddressSpace *as, hwaddr addr,
MemTxAttrs attrs)
{
}

void tb_invalidate_phys_addr(target_ulong addr);
void tb_invalidate_phys_range(target_ulong start, target_ulong end);
#endif

#define CODE_GEN_ALIGN 16 /* must be >= of the size of a icache line */
Expand Down
2 changes: 2 additions & 0 deletions include/exec/ram_addr.h
Expand Up @@ -93,6 +93,8 @@ int qemu_ram_resize(RAMBlock *block, ram_addr_t newsize, Error **errp);
#define DIRTY_CLIENTS_ALL ((1 << DIRTY_MEMORY_NUM) - 1)
#define DIRTY_CLIENTS_NOCODE (DIRTY_CLIENTS_ALL & ~(1 << DIRTY_MEMORY_CODE))

void tb_invalidate_phys_range(ram_addr_t start, ram_addr_t end);

static inline bool cpu_physical_memory_get_dirty(ram_addr_t start,
ram_addr_t length,
unsigned client)
Expand Down
1 change: 0 additions & 1 deletion linux-user/mmap.c
Expand Up @@ -20,7 +20,6 @@

#include "qemu.h"
#include "qemu-common.h"
#include "translate-all.h"

//#define DEBUG_MMAP

Expand Down
9 changes: 1 addition & 8 deletions target/xtensa/op_helper.c
Expand Up @@ -36,11 +36,6 @@
#include "qemu/timer.h"
#include "fpu/softfloat.h"

#ifdef CONFIG_USER_ONLY
/* tb_invalidate_phys_range */
#include "accel/tcg/translate-all.h"
#endif

#ifndef CONFIG_USER_ONLY

void xtensa_cpu_do_unaligned_access(CPUState *cs,
Expand Down Expand Up @@ -114,9 +109,7 @@ static void tb_invalidate_virtual_addr(CPUXtensaState *env, uint32_t vaddr)

static void tb_invalidate_virtual_addr(CPUXtensaState *env, uint32_t vaddr)
{
mmap_lock();
tb_invalidate_phys_range(vaddr, vaddr + 1);
mmap_unlock();
tb_invalidate_phys_addr(vaddr);
}

#endif
Expand Down
1 change: 0 additions & 1 deletion trace/control-target.c
Expand Up @@ -11,7 +11,6 @@
#include "cpu.h"
#include "trace-root.h"
#include "trace/control.h"
#include "translate-all.h"


void trace_event_set_state_dynamic_init(TraceEvent *ev, bool state)
Expand Down

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