[Qemu-devel] [RFC 30/30] target-arm: remove EXCP_STREX + cpu_exclusive_{test, info}

["Emilio G. Cota" <cota@braap.org>]

The exception is not emitted anymore; remove it and the associated
TCG variables.

Signed-off-by: Emilio G. Cota <cota@braap.org>
---
 target-arm/cpu.h       | 17 ++++++-----------
 target-arm/internals.h |  4 +---
 target-arm/translate.c | 10 ----------
 target-arm/translate.h |  4 ----
 4 files changed, 7 insertions(+), 28 deletions(-)

diff --git a/target-arm/cpu.h b/target-arm/cpu.h
index 7938ddc..0b2ed28 100644
--- a/target-arm/cpu.h
+++ b/target-arm/cpu.h
@@ -46,13 +46,12 @@
 #define EXCP_BKPT            7
 #define EXCP_EXCEPTION_EXIT  8   /* Return from v7M exception.  */
 #define EXCP_KERNEL_TRAP     9   /* Jumped to kernel code page.  */
-#define EXCP_STREX          10
-#define EXCP_HVC            11   /* HyperVisor Call */
-#define EXCP_HYP_TRAP       12
-#define EXCP_SMC            13   /* Secure Monitor Call */
-#define EXCP_VIRQ           14
-#define EXCP_VFIQ           15
-#define EXCP_SEMIHOST       16   /* semihosting call (A64 only) */
+#define EXCP_HVC            10   /* HyperVisor Call */
+#define EXCP_HYP_TRAP       11
+#define EXCP_SMC            12   /* Secure Monitor Call */
+#define EXCP_VIRQ           13
+#define EXCP_VFIQ           14
+#define EXCP_SEMIHOST       15   /* semihosting call (A64 only) */
 
 #define ARMV7M_EXCP_RESET   1
 #define ARMV7M_EXCP_NMI     2
@@ -475,10 +474,6 @@ typedef struct CPUARMState {
     uint64_t exclusive_addr;
     uint64_t exclusive_val;
     uint64_t exclusive_high;
-#if defined(CONFIG_USER_ONLY)
-    uint64_t exclusive_test;
-    uint32_t exclusive_info;
-#endif
 
     /* iwMMXt coprocessor state.  */
     struct {
diff --git a/target-arm/internals.h b/target-arm/internals.h
index 466be0b..5ab3b28 100644
--- a/target-arm/internals.h
+++ b/target-arm/internals.h
@@ -46,8 +46,7 @@ static inline bool excp_is_internal(int excp)
         || excp == EXCP_HALTED
         || excp == EXCP_EXCEPTION_EXIT
         || excp == EXCP_KERNEL_TRAP
-        || excp == EXCP_SEMIHOST
-        || excp == EXCP_STREX;
+        || excp == EXCP_SEMIHOST;
 }
 
 /* Exception names for debug logging; note that not all of these
@@ -63,7 +62,6 @@ static const char * const excnames[] = {
     [EXCP_BKPT] = "Breakpoint",
     [EXCP_EXCEPTION_EXIT] = "QEMU v7M exception exit",
     [EXCP_KERNEL_TRAP] = "QEMU intercept of kernel commpage",
-    [EXCP_STREX] = "QEMU intercept of STREX",
     [EXCP_HVC] = "Hypervisor Call",
     [EXCP_HYP_TRAP] = "Hypervisor Trap",
     [EXCP_SMC] = "Secure Monitor Call",
diff --git a/target-arm/translate.c b/target-arm/translate.c
index b177388..8dec0d7 100644
--- a/target-arm/translate.c
+++ b/target-arm/translate.c
@@ -64,10 +64,6 @@ static TCGv_i32 cpu_R[16];
 TCGv_i32 cpu_CF, cpu_NF, cpu_VF, cpu_ZF;
 TCGv_i64 cpu_exclusive_addr;
 TCGv_i64 cpu_exclusive_val;
-#ifdef CONFIG_USER_ONLY
-TCGv_i64 cpu_exclusive_test;
-TCGv_i32 cpu_exclusive_info;
-#endif
 
 /* FIXME:  These should be removed.  */
 static TCGv_i32 cpu_F0s, cpu_F1s;
@@ -101,12 +97,6 @@ void arm_translate_init(void)
         offsetof(CPUARMState, exclusive_addr), "exclusive_addr");
     cpu_exclusive_val = tcg_global_mem_new_i64(cpu_env,
         offsetof(CPUARMState, exclusive_val), "exclusive_val");
-#ifdef CONFIG_USER_ONLY
-    cpu_exclusive_test = tcg_global_mem_new_i64(cpu_env,
-        offsetof(CPUARMState, exclusive_test), "exclusive_test");
-    cpu_exclusive_info = tcg_global_mem_new_i32(cpu_env,
-        offsetof(CPUARMState, exclusive_info), "exclusive_info");
-#endif
 
     a64_translate_init();
 }
diff --git a/target-arm/translate.h b/target-arm/translate.h
index dbd7ac8..d4e205e 100644
--- a/target-arm/translate.h
+++ b/target-arm/translate.h
@@ -77,10 +77,6 @@ extern TCGv_env cpu_env;
 extern TCGv_i32 cpu_NF, cpu_ZF, cpu_CF, cpu_VF;
 extern TCGv_i64 cpu_exclusive_addr;
 extern TCGv_i64 cpu_exclusive_val;
-#ifdef CONFIG_USER_ONLY
-extern TCGv_i64 cpu_exclusive_test;
-extern TCGv_i32 cpu_exclusive_info;
-#endif
 
 static inline int arm_dc_feature(DisasContext *dc, int feature)
 {
-- 
2.5.0