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[Qemu-devel] [PULL 086/130] target-ppc: Add is_user_mode Utility Routine
From: |
Alexander Graf |
Subject: |
[Qemu-devel] [PULL 086/130] target-ppc: Add is_user_mode Utility Routine |
Date: |
Fri, 7 Mar 2014 00:33:33 +0100 |
From: Tom Musta <address@hidden>
This patch adds a boolean function is_user_mode that can be re-used
in translation code that is sensitive to the MSR[PR] (user-mode)
state.
Signed-off-by: Tom Musta <address@hidden>
Signed-off-by: Alexander Graf <address@hidden>
---
target-ppc/translate.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 6abe71a..f6ff248 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -622,6 +622,20 @@ static opc_handler_t invalid_handler = {
.handler = gen_invalid,
};
+#if defined(TARGET_PPC64)
+/* NOTE: as this time, the only use of is_user_mode() is in 64 bit code. And
*/
+/* so the function is wrapped in the standard 64-bit ifdef in order to
*/
+/* avoid compiler warnings in 32-bit implementations.
*/
+static bool is_user_mode(DisasContext *ctx)
+{
+#if defined(CONFIG_USER_ONLY)
+ return true;
+#else
+ return ctx->mem_idx == 0;
+#endif
+}
+#endif
+
/*** Integer comparison ***/
static inline void gen_op_cmp(TCGv arg0, TCGv arg1, int s, int crf)
--
1.8.1.4
[Qemu-devel] [PULL 088/130] target-ppc: Store Quadword, Alexander Graf, 2014/03/06
[Qemu-devel] [PULL 086/130] target-ppc: Add is_user_mode Utility Routine,
Alexander Graf <=
[Qemu-devel] [PULL 087/130] target-ppc: Load Quadword, Alexander Graf, 2014/03/06
[Qemu-devel] [PULL 092/130] target-ppc: Altivec 2.07: Update AVR Structure, Alexander Graf, 2014/03/06
[Qemu-devel] [PULL 091/130] target-ppc: Altivec 2.07: Add Instruction Flag, Alexander Graf, 2014/03/06
[Qemu-devel] [PULL 095/130] target-ppc: Altivec 2.07: Add Opcode Macro for VX Form Instructions, Alexander Graf, 2014/03/06
[Qemu-devel] [PULL 090/130] target-ppc: Add Store Quadword Conditional, Alexander Graf, 2014/03/06
[Qemu-devel] [PULL 097/130] target-ppc: Altivec 2.07: Vector Logical Instructions, Alexander Graf, 2014/03/06
[Qemu-devel] [PULL 098/130] target-ppc: Altivec 2.07: Add/Subtract Unsigned Doubleword Modulo, Alexander Graf, 2014/03/06
[Qemu-devel] [PULL 094/130] target-ppc: Altivec 2.07: Add Support for Dual Altivec Instructions, Alexander Graf, 2014/03/06
[Qemu-devel] [PULL 096/130] target-ppc: Altivec 2.07: Add Support for R-Form Dual Instructions, Alexander Graf, 2014/03/06
[Qemu-devel] [PULL 093/130] target-ppc: Altivec 2.07: Add GEN_VXFORM3, Alexander Graf, 2014/03/06