[Qemu-devel] [PATCH 1/4] exec: provide tb_invalidate_phys_addr function

[Max Filippov]

Allow TB invalidation by its physical address, extract implementation
from the breakpoint_invalidate function.

Signed-off-by: Max Filippov <address@hidden>
---
 exec-all.h |    1 +
 exec.c     |    9 ++++++---
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/exec-all.h b/exec-all.h
index fa7bdfe..39f1dc4 100644
--- a/exec-all.h
+++ b/exec-all.h
@@ -102,6 +102,7 @@ void tlb_flush(CPUArchState *env, int flush_global);
 void tlb_set_page(CPUArchState *env, target_ulong vaddr,
                   target_phys_addr_t paddr, int prot,
                   int mmu_idx, target_ulong size);
+void tb_invalidate_phys_addr(target_phys_addr_t addr);
 #endif
 
 #define CODE_GEN_ALIGN           16 /* must be >= of the size of a icache line 
*/
diff --git a/exec.c b/exec.c
index 03d3a6b..661259b 100644
--- a/exec.c
+++ b/exec.c
@@ -1463,13 +1463,11 @@ static void breakpoint_invalidate(CPUArchState *env, 
target_ulong pc)
     tb_invalidate_phys_page_range(pc, pc + 1, 0);
 }
 #else
-static void breakpoint_invalidate(CPUArchState *env, target_ulong pc)
+void tb_invalidate_phys_addr(target_phys_addr_t addr)
 {
-    target_phys_addr_t addr;
     ram_addr_t ram_addr;
     MemoryRegionSection *section;
 
-    addr = cpu_get_phys_page_debug(env, pc);
     section = phys_page_find(addr >> TARGET_PAGE_BITS);
     if (!(memory_region_is_ram(section->mr)
           || (section->mr->rom_device && section->mr->readable))) {
@@ -1479,6 +1477,11 @@ static void breakpoint_invalidate(CPUArchState *env, 
target_ulong pc)
         + section_addr(section, addr);
     tb_invalidate_phys_page_range(ram_addr, ram_addr + 1, 0);
 }
+
+static void breakpoint_invalidate(CPUArchState *env, target_ulong pc)
+{
+    tb_invalidate_phys_addr(cpu_get_phys_page_debug(env, pc));
+}
 #endif
 #endif /* TARGET_HAS_ICE */
 
-- 
1.7.7.6