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-rw-r--r--target/mips/cpu-defs.c.inc4
-rw-r--r--target/mips/cpu.c6
-rw-r--r--target/mips/tcg/octeon.decode2
-rw-r--r--target/mips/tcg/translate.c14
4 files changed, 18 insertions, 8 deletions
diff --git a/target/mips/cpu-defs.c.inc b/target/mips/cpu-defs.c.inc
index 7f53c94ec8..480e60aeec 100644
--- a/target/mips/cpu-defs.c.inc
+++ b/target/mips/cpu-defs.c.inc
@@ -934,7 +934,7 @@ const mips_def_t mips_defs[] =
(1 << CP0C1_DS) | (4 << CP0C1_DL) | (1 << CP0C1_DA) |
(1 << CP0C1_PC) | (1 << CP0C1_WR) | (1 << CP0C1_EP),
.CP0_Config2 = MIPS_CONFIG2,
- .CP0_Config3 = MIPS_CONFIG3 | (1 << CP0C3_LPA) | (1 << CP0C3_DSPP) ,
+ .CP0_Config3 = MIPS_CONFIG3 | (1 << CP0C3_LPA),
.CP0_Config4 = MIPS_CONFIG4 | (1U << CP0C4_M) |
(0x3c << CP0C4_KScrExist) | (1U << CP0C4_MMUExtDef) |
(3U << CP0C4_MMUSizeExt),
@@ -946,7 +946,7 @@ const mips_def_t mips_defs[] =
.CP0_Status_rw_bitmask = 0x12F8FFFF,
.SEGBITS = 42,
.PABITS = 49,
- .insn_flags = CPU_MIPS64R2 | INSN_OCTEON | ASE_DSP,
+ .insn_flags = CPU_MIPS64R2 | INSN_OCTEON,
.mmu_type = MMU_TYPE_R4000,
},
diff --git a/target/mips/cpu.c b/target/mips/cpu.c
index e997c1b9cb..7a565466cb 100644
--- a/target/mips/cpu.c
+++ b/target/mips/cpu.c
@@ -302,6 +302,12 @@ static void mips_cpu_reset(DeviceState *dev)
env->CP0_EntryHi_ASID_mask = (env->CP0_Config5 & (1 << CP0C5_MI)) ?
0x0 : (env->CP0_Config4 & (1 << CP0C4_AE)) ? 0x3ff : 0xff;
env->CP0_Status = (1 << CP0St_BEV) | (1 << CP0St_ERL);
+ if (env->insn_flags & INSN_LOONGSON2F) {
+ /* Loongson-2F has those bits hardcoded to 1 */
+ env->CP0_Status |= (1 << CP0St_KX) | (1 << CP0St_SX) |
+ (1 << CP0St_UX);
+ }
+
/*
* Vectored interrupts not implemented, timer on int 7,
* no performance counters.
diff --git a/target/mips/tcg/octeon.decode b/target/mips/tcg/octeon.decode
index 8929ad088e..0c787cb498 100644
--- a/target/mips/tcg/octeon.decode
+++ b/target/mips/tcg/octeon.decode
@@ -12,7 +12,7 @@
# BBIT132 111110 ..... ..... ................
%bbit_p 28:1 16:5
-BBIT 11 set:1 . 10 rs:5 ..... offset:16 p=%bbit_p
+BBIT 11 set:1 . 10 rs:5 ..... offset:s16 p=%bbit_p
# Arithmetic
# BADDU rd, rs, rt
diff --git a/target/mips/tcg/translate.c b/target/mips/tcg/translate.c
index 2f2d707a12..624e6b7786 100644
--- a/target/mips/tcg/translate.c
+++ b/target/mips/tcg/translate.c
@@ -1545,7 +1545,7 @@ void check_cop1x(DisasContext *ctx)
*/
void check_cp1_64bitmode(DisasContext *ctx)
{
- if (unlikely(~ctx->hflags & (MIPS_HFLAG_F64 | MIPS_HFLAG_COP1X))) {
+ if (unlikely(~ctx->hflags & MIPS_HFLAG_F64)) {
gen_reserved_instruction(ctx);
}
}
@@ -12173,12 +12173,16 @@ enum {
#include "nanomips_translate.c.inc"
/* MIPSDSP functions. */
-static void gen_mipsdsp_ld(DisasContext *ctx, uint32_t opc,
- int rd, int base, int offset)
+
+/* Indexed load is not for DSP only */
+static void gen_mips_lx(DisasContext *ctx, uint32_t opc,
+ int rd, int base, int offset)
{
TCGv t0;
- check_dsp(ctx);
+ if (!(ctx->insn_flags & INSN_OCTEON)) {
+ check_dsp(ctx);
+ }
t0 = tcg_temp_new();
if (base == 0) {
@@ -14523,7 +14527,7 @@ static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx)
case OPC_LBUX:
case OPC_LHX:
case OPC_LWX:
- gen_mipsdsp_ld(ctx, op2, rd, rs, rt);
+ gen_mips_lx(ctx, op2, rd, rs, rt);
break;
default: /* Invalid */
MIPS_INVAL("MASK LX");