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authorPhilippe Mathieu-Daudé <philmd@linaro.org>2023-12-19 17:57:48 +0000
committerPeter Maydell <peter.maydell@linaro.org>2023-12-19 17:57:48 +0000
commitd1d119bbd7776c8f460560e4f4b69fdc8bfd8657 (patch)
tree8b94a5806e480bf39fb8b99724d006c6f418d559
parentc36a0d577b82afaa2a5a9d7332cf96b44247ed6d (diff)
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target/arm: Restrict TCG specific helpers
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20231130142519.28417-2-philmd@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--target/arm/helper.c55
-rw-r--r--target/arm/tcg/op_helper.c55
2 files changed, 55 insertions, 55 deletions
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 39830c7..5d4796b 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -10142,61 +10142,6 @@ void cpsr_write(CPUARMState *env, uint32_t val, uint32_t mask,
}
}
-/* Sign/zero extend */
-uint32_t HELPER(sxtb16)(uint32_t x)
-{
- uint32_t res;
- res = (uint16_t)(int8_t)x;
- res |= (uint32_t)(int8_t)(x >> 16) << 16;
- return res;
-}
-
-static void handle_possible_div0_trap(CPUARMState *env, uintptr_t ra)
-{
- /*
- * Take a division-by-zero exception if necessary; otherwise return
- * to get the usual non-trapping division behaviour (result of 0)
- */
- if (arm_feature(env, ARM_FEATURE_M)
- && (env->v7m.ccr[env->v7m.secure] & R_V7M_CCR_DIV_0_TRP_MASK)) {
- raise_exception_ra(env, EXCP_DIVBYZERO, 0, 1, ra);
- }
-}
-
-uint32_t HELPER(uxtb16)(uint32_t x)
-{
- uint32_t res;
- res = (uint16_t)(uint8_t)x;
- res |= (uint32_t)(uint8_t)(x >> 16) << 16;
- return res;
-}
-
-int32_t HELPER(sdiv)(CPUARMState *env, int32_t num, int32_t den)
-{
- if (den == 0) {
- handle_possible_div0_trap(env, GETPC());
- return 0;
- }
- if (num == INT_MIN && den == -1) {
- return INT_MIN;
- }
- return num / den;
-}
-
-uint32_t HELPER(udiv)(CPUARMState *env, uint32_t num, uint32_t den)
-{
- if (den == 0) {
- handle_possible_div0_trap(env, GETPC());
- return 0;
- }
- return num / den;
-}
-
-uint32_t HELPER(rbit)(uint32_t x)
-{
- return revbit32(x);
-}
-
#ifdef CONFIG_USER_ONLY
static void switch_mode(CPUARMState *env, int mode)
diff --git a/target/arm/tcg/op_helper.c b/target/arm/tcg/op_helper.c
index ea08936..9de0fa2 100644
--- a/target/arm/tcg/op_helper.c
+++ b/target/arm/tcg/op_helper.c
@@ -121,6 +121,61 @@ void HELPER(v8m_stackcheck)(CPUARMState *env, uint32_t newvalue)
}
}
+/* Sign/zero extend */
+uint32_t HELPER(sxtb16)(uint32_t x)
+{
+ uint32_t res;
+ res = (uint16_t)(int8_t)x;
+ res |= (uint32_t)(int8_t)(x >> 16) << 16;
+ return res;
+}
+
+static void handle_possible_div0_trap(CPUARMState *env, uintptr_t ra)
+{
+ /*
+ * Take a division-by-zero exception if necessary; otherwise return
+ * to get the usual non-trapping division behaviour (result of 0)
+ */
+ if (arm_feature(env, ARM_FEATURE_M)
+ && (env->v7m.ccr[env->v7m.secure] & R_V7M_CCR_DIV_0_TRP_MASK)) {
+ raise_exception_ra(env, EXCP_DIVBYZERO, 0, 1, ra);
+ }
+}
+
+uint32_t HELPER(uxtb16)(uint32_t x)
+{
+ uint32_t res;
+ res = (uint16_t)(uint8_t)x;
+ res |= (uint32_t)(uint8_t)(x >> 16) << 16;
+ return res;
+}
+
+int32_t HELPER(sdiv)(CPUARMState *env, int32_t num, int32_t den)
+{
+ if (den == 0) {
+ handle_possible_div0_trap(env, GETPC());
+ return 0;
+ }
+ if (num == INT_MIN && den == -1) {
+ return INT_MIN;
+ }
+ return num / den;
+}
+
+uint32_t HELPER(udiv)(CPUARMState *env, uint32_t num, uint32_t den)
+{
+ if (den == 0) {
+ handle_possible_div0_trap(env, GETPC());
+ return 0;
+ }
+ return num / den;
+}
+
+uint32_t HELPER(rbit)(uint32_t x)
+{
+ return revbit32(x);
+}
+
uint32_t HELPER(add_setq)(CPUARMState *env, uint32_t a, uint32_t b)
{
uint32_t res = a + b;