int spe_enabled;
ppc_spr_t *spr_cb; /* Needed to check rights for mfspr/mtspr */
int singlestep_enabled;
+ uint64_t insns_flags;
+ uint64_t insns_flags2;
} DisasContext;
/* True when active word size < size of target_long. */
EXTRACT_HELPER(TO, 21, 5);
EXTRACT_HELPER(CRM, 12, 8);
-EXTRACT_HELPER(FM, 17, 8);
EXTRACT_HELPER(SR, 16, 4);
+
+/* mtfsf/mtfsfi */
+EXTRACT_HELPER(FPBF, 19, 3);
EXTRACT_HELPER(FPIMM, 12, 4);
+EXTRACT_HELPER(FPL, 21, 1);
+EXTRACT_HELPER(FPFLM, 17, 8);
+EXTRACT_HELPER(FPW, 16, 1);
/*** Jump target decoding ***/
/* Displacement */
static void gen_mtfsf(DisasContext *ctx)
{
TCGv_i32 t0;
- int L = ctx->opcode & 0x02000000;
+ int flm, l, w;
if (unlikely(!ctx->fpu_enabled)) {
gen_exception(ctx, POWERPC_EXCP_FPU);
return;
}
+ flm = FPFLM(ctx->opcode);
+ l = FPL(ctx->opcode);
+ w = FPW(ctx->opcode);
+ if (unlikely(w & !(ctx->insns_flags2 & PPC2_ISA205))) {
+ gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
+ return;
+ }
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
gen_reset_fpstatus();
- if (L)
- t0 = tcg_const_i32(0xff);
- else
- t0 = tcg_const_i32(FM(ctx->opcode));
+ if (l) {
+ t0 = tcg_const_i32((ctx->insns_flags2 & PPC2_ISA205) ? 0xffff : 0xff);
+ } else {
+ t0 = tcg_const_i32(flm << (w * 8));
+ }
gen_helper_store_fpscr(cpu_env, cpu_fpr[rB(ctx->opcode)], t0);
tcg_temp_free_i32(t0);
if (unlikely(Rc(ctx->opcode) != 0)) {
/* mtfsfi */
static void gen_mtfsfi(DisasContext *ctx)
{
- int bf, sh;
+ int bf, sh, w;
TCGv_i64 t0;
TCGv_i32 t1;
gen_exception(ctx, POWERPC_EXCP_FPU);
return;
}
- bf = crbD(ctx->opcode) >> 2;
- sh = 7 - bf;
+ w = FPW(ctx->opcode);
+ bf = FPBF(ctx->opcode);
+ if (unlikely(w & !(ctx->insns_flags2 & PPC2_ISA205))) {
+ gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
+ return;
+ }
+ sh = (8 * w) + 7 - bf;
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
gen_reset_fpstatus();
- t0 = tcg_const_i64(FPIMM(ctx->opcode) << (4 * sh));
+ t0 = tcg_const_i64(((uint64_t)FPIMM(ctx->opcode)) << (4 * sh));
t1 = tcg_const_i32(1 << sh);
gen_helper_store_fpscr(cpu_env, t0, t1);
tcg_temp_free_i64(t0);
GEN_HANDLER(mffs, 0x3F, 0x07, 0x12, 0x001FF800, PPC_FLOAT),
GEN_HANDLER(mtfsb0, 0x3F, 0x06, 0x02, 0x001FF800, PPC_FLOAT),
GEN_HANDLER(mtfsb1, 0x3F, 0x06, 0x01, 0x001FF800, PPC_FLOAT),
-GEN_HANDLER(mtfsf, 0x3F, 0x07, 0x16, 0x00010000, PPC_FLOAT),
-GEN_HANDLER(mtfsfi, 0x3F, 0x06, 0x04, 0x006f0800, PPC_FLOAT),
+GEN_HANDLER(mtfsf, 0x3F, 0x07, 0x16, 0x00000000, PPC_FLOAT),
+GEN_HANDLER(mtfsfi, 0x3F, 0x06, 0x04, 0x006e0800, PPC_FLOAT),
#if defined(TARGET_PPC64)
GEN_HANDLER(ld, 0x3A, 0xFF, 0xFF, 0x00000000, PPC_64B),
GEN_HANDLER(lq, 0x38, 0xFF, 0xFF, 0x00000000, PPC_64BX),
ctx.exception = POWERPC_EXCP_NONE;
ctx.spr_cb = env->spr_cb;
ctx.mem_idx = env->mmu_idx;
+ ctx.insns_flags = env->insns_flags;
+ ctx.insns_flags2 = env->insns_flags2;
ctx.access_type = -1;
ctx.le_mode = env->hflags & (1 << MSR_LE) ? 1 : 0;
#if defined(TARGET_PPC64)