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[Qemu-devel] [PATCH v2 04/12] tcg/arm: Add support for fence
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH v2 04/12] tcg/arm: Add support for fence |
Date: |
Thu, 26 May 2016 18:00:07 -0700 |
Cc: Andrzej Zaborowski <address@hidden>
Cc: Peter Maydell <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
---
tcg/arm/tcg-target.inc.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/tcg/arm/tcg-target.inc.c b/tcg/arm/tcg-target.inc.c
index f9f54c6..951d110 100644
--- a/tcg/arm/tcg-target.inc.c
+++ b/tcg/arm/tcg-target.inc.c
@@ -313,6 +313,10 @@ typedef enum {
INSN_LDRD_REG = 0x000000d0,
INSN_STRD_IMM = 0x004000f0,
INSN_STRD_REG = 0x000000f0,
+
+ INSN_DMB_ISH = 0x5bf07ff5,
+ INSN_DMB_MCR = 0xba0f07ee,
+
} ARMInsn;
#define SHIFT_IMM_LSL(im) (((im) << 7) | 0x00)
@@ -1923,6 +1927,13 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode
opc,
tcg_out_udiv(s, COND_AL, args[0], args[1], args[2]);
break;
+ case INDEX_op_fence:
+ if (use_armv7_instructions) {
+ tcg_out32(s, INSN_DMB_ISH);
+ } else if (use_armv6_instructions) {
+ tcg_out32(s, INSN_DMB_MCR);
+ }
+ break;
case INDEX_op_mov_i32: /* Always emitted via tcg_out_mov. */
case INDEX_op_movi_i32: /* Always emitted via tcg_out_movi. */
case INDEX_op_call: /* Always emitted via tcg_out_call. */
@@ -1997,6 +2008,7 @@ static const TCGTargetOpDef arm_op_defs[] = {
{ INDEX_op_div_i32, { "r", "r", "r" } },
{ INDEX_op_divu_i32, { "r", "r", "r" } },
+ { INDEX_op_fence, { } },
{ -1 },
};
--
2.5.5
- [Qemu-devel] [PATCH v2 00/12] tcg: Add fence opcode, Richard Henderson, 2016/05/26
- [Qemu-devel] [PATCH v2 03/12] tcg/aarch64: Add support for fence, Richard Henderson, 2016/05/26
- [Qemu-devel] [PATCH v2 04/12] tcg/arm: Add support for fence,
Richard Henderson <=
- [Qemu-devel] [PATCH v2 01/12] Introduce TCGOpcode for fence instruction, Richard Henderson, 2016/05/26
- [Qemu-devel] [PATCH v2 06/12] tcg/mips: Add support for fence, Richard Henderson, 2016/05/26
- [Qemu-devel] [PATCH v2 05/12] tcg/ia64: Add support for fence, Richard Henderson, 2016/05/26
- [Qemu-devel] [PATCH v2 08/12] tcg/s390: Add support for fence, Richard Henderson, 2016/05/26
- [Qemu-devel] [PATCH v2 09/12] tcg/sparc: Add support for fence, Richard Henderson, 2016/05/26