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[Qemu-devel] [PATCH v2 36/68] target/arm: Convert SETEND
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH v2 36/68] target/arm: Convert SETEND |
Date: |
Mon, 19 Aug 2019 14:37:23 -0700 |
Signed-off-by: Richard Henderson <address@hidden>
---
target/arm/translate.c | 22 +++++++++++++---------
target/arm/a32-uncond.decode | 4 ++++
2 files changed, 17 insertions(+), 9 deletions(-)
diff --git a/target/arm/translate.c b/target/arm/translate.c
index 928205d993..46e88d1d17 100644
--- a/target/arm/translate.c
+++ b/target/arm/translate.c
@@ -10124,6 +10124,18 @@ static bool trans_SB(DisasContext *s, arg_SB *a)
return true;
}
+static bool trans_SETEND(DisasContext *s, arg_SETEND *a)
+{
+ if (!ENABLE_ARCH_6) {
+ return false;
+ }
+ if (a->E != (s->be_data == MO_BE)) {
+ gen_helper_setend(cpu_env);
+ s->base.is_jmp = DISAS_UPDATE;
+ }
+ return true;
+}
+
/*
* Legacy decoder.
*/
@@ -10209,15 +10221,7 @@ static void disas_arm_insn(DisasContext *s, unsigned
int insn)
return; /* v7MP: Unallocated memory hint: must NOP */
}
- if ((insn & 0x0ffffdff) == 0x01010000) {
- ARCH(6);
- /* setend */
- if (((insn >> 9) & 1) != !!(s->be_data == MO_BE)) {
- gen_helper_setend(cpu_env);
- s->base.is_jmp = DISAS_UPDATE;
- }
- return;
- } else if ((insn & 0x0e000f00) == 0x0c000100) {
+ if ((insn & 0x0e000f00) == 0x0c000100) {
if (arm_dc_feature(s, ARM_FEATURE_IWMMXT)) {
/* iWMMXt register transfer. */
if (extract32(s->c15_cpar, 1, 1)) {
diff --git a/target/arm/a32-uncond.decode b/target/arm/a32-uncond.decode
index eb1c55b330..d5ed48f0fd 100644
--- a/target/arm/a32-uncond.decode
+++ b/target/arm/a32-uncond.decode
@@ -24,6 +24,7 @@
&empty !extern
&i !extern imm
+&setend E
# Branch with Link and Exchange
@@ -50,3 +51,6 @@ DSB 1111 0101 0111 1111 1111 0000 0100 ----
DMB 1111 0101 0111 1111 1111 0000 0101 ----
ISB 1111 0101 0111 1111 1111 0000 0110 ----
SB 1111 0101 0111 1111 1111 0000 0111 0000
+
+# Set Endianness
+SETEND 1111 0001 0000 0001 0000 00 E:1 0 0000 0000 &setend
--
2.17.1
- Re: [Qemu-devel] [PATCH v2 31/68] target/arm: Convert B, BL, BLX (immediate), (continued)
- [Qemu-devel] [PATCH v2 29/68] target/arm: Diagnose too few registers in list for LDM/STM, Richard Henderson, 2019/08/19
- [Qemu-devel] [PATCH v2 35/68] target/arm: Convert CPS (privileged), Richard Henderson, 2019/08/19
- Re: [Qemu-devel] [PATCH v2 35/68] target/arm: Convert CPS (privileged), Peter Maydell, 2019/08/25
- Re: [Qemu-devel] [PATCH v2 35/68] target/arm: Convert CPS (privileged), Richard Henderson, 2019/08/25
- Re: [Qemu-devel] [PATCH v2 35/68] target/arm: Convert CPS (privileged), Richard Henderson, 2019/08/25
- Re: [Qemu-devel] [PATCH v2 35/68] target/arm: Convert CPS (privileged), Peter Maydell, 2019/08/25
- Re: [Qemu-devel] [PATCH v2 35/68] target/arm: Convert CPS (privileged), Richard Henderson, 2019/08/25
- Re: [Qemu-devel] [PATCH v2 35/68] target/arm: Convert CPS (privileged), Richard Henderson, 2019/08/25
[Qemu-devel] [PATCH v2 36/68] target/arm: Convert SETEND,
Richard Henderson <=
[Qemu-devel] [PATCH v2 30/68] target/arm: Diagnose base == pc for LDM/STM, Richard Henderson, 2019/08/19
[Qemu-devel] [PATCH v2 34/68] target/arm: Convert Clear-Exclusive, Barriers, Richard Henderson, 2019/08/19
[Qemu-devel] [PATCH v2 37/68] target/arm: Convert PLI, PLD, PLDW, Richard Henderson, 2019/08/19
[Qemu-devel] [PATCH v2 38/68] target/arm: Convert Unallocated memory hint, Richard Henderson, 2019/08/19
[Qemu-devel] [PATCH v2 41/68] target/arm: Convert TT, Richard Henderson, 2019/08/19