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authorBlue Swirl <blauwirbel@gmail.com>2011-07-03 08:53:46 +0000
committerBlue Swirl <blauwirbel@gmail.com>2011-07-20 21:28:08 +0000
commitb14ef7c9ab41ea824c3ccadb070ad95567cca84e (patch)
tree87d72668e2e096e80b8e60ddddd2ddd82c20a9e2 /target-microblaze
parent21673cdecb9e9b5a22acaf0a44e47145beb1999e (diff)
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Fix unassigned memory access handling
cea5f9a28faa528b6b1b117c9ab2d8828f473fef exposed bugs in unassigned memory access handling. Fix them by always passing CPUState to the handlers. Reported-by: Hervé Poussineau <hpoussin@reactos.org> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'target-microblaze')
-rw-r--r--target-microblaze/cpu.h4
-rw-r--r--target-microblaze/op_helper.c14
2 files changed, 6 insertions, 12 deletions
diff --git a/target-microblaze/cpu.h b/target-microblaze/cpu.h
index 51a13e3..76f4fc4 100644
--- a/target-microblaze/cpu.h
+++ b/target-microblaze/cpu.h
@@ -347,8 +347,8 @@ static inline void cpu_get_tb_cpu_state(CPUState *env, target_ulong *pc,
}
#if !defined(CONFIG_USER_ONLY)
-void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
- int is_asi, int size);
+void cpu_unassigned_access(CPUState *env1, target_phys_addr_t addr,
+ int is_write, int is_exec, int is_asi, int size);
#endif
static inline bool cpu_has_work(CPUState *env)
diff --git a/target-microblaze/op_helper.c b/target-microblaze/op_helper.c
index 1a0a476..664ffe59 100644
--- a/target-microblaze/op_helper.c
+++ b/target-microblaze/op_helper.c
@@ -488,20 +488,14 @@ void helper_mmu_write(uint32_t rn, uint32_t v)
mmu_write(env, rn, v);
}
-void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
- int is_asi, int size)
+void cpu_unassigned_access(CPUState *env1, target_phys_addr_t addr,
+ int is_write, int is_exec, int is_asi, int size)
{
CPUState *saved_env;
- if (!cpu_single_env) {
- /* XXX: ??? */
- return;
- }
-
- /* XXX: hack to restore env in all cases, even if not called from
- generated code */
saved_env = env;
- env = cpu_single_env;
+ env = env1;
+
qemu_log_mask(CPU_LOG_INT, "Unassigned " TARGET_FMT_plx " wr=%d exe=%d\n",
addr, is_write, is_exec);
if (!(env->sregs[SR_MSR] & MSR_EE)) {