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author | Richard Henderson | 2021-07-31 08:15:31 +0200 |
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committer | Richard Henderson | 2021-10-13 18:18:23 +0200 |
commit | 5ffcb33426aaa2906daea2eee7a5195662a6580f (patch) | |
tree | ab2a64b5ac2529cb882eb457d9f2718cf8614d79 /target/alpha | |
parent | target/alpha: Reorg fp memory operations (diff) | |
download | qemu-5ffcb33426aaa2906daea2eee7a5195662a6580f.tar.gz qemu-5ffcb33426aaa2906daea2eee7a5195662a6580f.tar.xz qemu-5ffcb33426aaa2906daea2eee7a5195662a6580f.zip |
target/alpha: Reorg integer memory operations
Pass in the MemOp instead of a callback.
Drop the fp argument; add a locked argument.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/alpha')
-rw-r--r-- | target/alpha/translate.c | 104 |
1 files changed, 40 insertions, 64 deletions
diff --git a/target/alpha/translate.c b/target/alpha/translate.c index bfdd485508..0eee3a1bcc 100644 --- a/target/alpha/translate.c +++ b/target/alpha/translate.c @@ -308,27 +308,10 @@ static void gen_load_fp(DisasContext *ctx, int ra, int rb, int32_t disp16, } } -static inline void gen_qemu_ldl_l(TCGv t0, TCGv t1, int flags) +static void gen_load_int(DisasContext *ctx, int ra, int rb, int32_t disp16, + MemOp op, bool clear, bool locked) { - tcg_gen_qemu_ld_i64(t0, t1, flags, MO_LESL); - tcg_gen_mov_i64(cpu_lock_addr, t1); - tcg_gen_mov_i64(cpu_lock_value, t0); -} - -static inline void gen_qemu_ldq_l(TCGv t0, TCGv t1, int flags) -{ - tcg_gen_qemu_ld_i64(t0, t1, flags, MO_LEQ); - tcg_gen_mov_i64(cpu_lock_addr, t1); - tcg_gen_mov_i64(cpu_lock_value, t0); -} - -static inline void gen_load_mem(DisasContext *ctx, - void (*tcg_gen_qemu_load)(TCGv t0, TCGv t1, - int flags), - int ra, int rb, int32_t disp16, bool fp, - bool clear) -{ - TCGv tmp, addr, va; + TCGv addr, dest; /* LDQ_U with ra $31 is UNOP. Other various loads are forms of prefetches, which we can treat as nops. No worries about @@ -337,22 +320,20 @@ static inline void gen_load_mem(DisasContext *ctx, return; } - tmp = tcg_temp_new(); - addr = load_gpr(ctx, rb); - - if (disp16) { - tcg_gen_addi_i64(tmp, addr, disp16); - addr = tmp; - } + addr = tcg_temp_new(); + tcg_gen_addi_i64(addr, load_gpr(ctx, rb), disp16); if (clear) { - tcg_gen_andi_i64(tmp, addr, ~0x7); - addr = tmp; + tcg_gen_andi_i64(addr, addr, ~0x7); } - va = (fp ? cpu_fir[ra] : ctx->ir[ra]); - tcg_gen_qemu_load(va, addr, ctx->mem_idx); + dest = ctx->ir[ra]; + tcg_gen_qemu_ld_i64(dest, addr, ctx->mem_idx, op); - tcg_temp_free(tmp); + if (locked) { + tcg_gen_mov_i64(cpu_lock_addr, addr); + tcg_gen_mov_i64(cpu_lock_value, dest); + } + tcg_temp_free(addr); } static void gen_stf(DisasContext *ctx, TCGv src, TCGv addr) @@ -393,30 +374,21 @@ static void gen_store_fp(DisasContext *ctx, int ra, int rb, int32_t disp16, tcg_temp_free(addr); } -static inline void gen_store_mem(DisasContext *ctx, - void (*tcg_gen_qemu_store)(TCGv t0, TCGv t1, - int flags), - int ra, int rb, int32_t disp16, bool fp, - bool clear) +static void gen_store_int(DisasContext *ctx, int ra, int rb, int32_t disp16, + MemOp op, bool clear) { - TCGv tmp, addr, va; - - tmp = tcg_temp_new(); - addr = load_gpr(ctx, rb); + TCGv addr, src; - if (disp16) { - tcg_gen_addi_i64(tmp, addr, disp16); - addr = tmp; - } + addr = tcg_temp_new(); + tcg_gen_addi_i64(addr, load_gpr(ctx, rb), disp16); if (clear) { - tcg_gen_andi_i64(tmp, addr, ~0x7); - addr = tmp; + tcg_gen_andi_i64(addr, addr, ~0x7); } - va = (fp ? load_fpr(ctx, ra) : load_gpr(ctx, ra)); - tcg_gen_qemu_store(va, addr, ctx->mem_idx); + src = load_gpr(ctx, ra); + tcg_gen_qemu_st_i64(src, addr, ctx->mem_idx, op); - tcg_temp_free(tmp); + tcg_temp_free(addr); } static DisasJumpType gen_store_conditional(DisasContext *ctx, int ra, int rb, @@ -1511,30 +1483,30 @@ static DisasJumpType translate_one(DisasContext *ctx, uint32_t insn) case 0x0A: /* LDBU */ REQUIRE_AMASK(BWX); - gen_load_mem(ctx, &tcg_gen_qemu_ld8u, ra, rb, disp16, 0, 0); + gen_load_int(ctx, ra, rb, disp16, MO_UB, 0, 0); break; case 0x0B: /* LDQ_U */ - gen_load_mem(ctx, &tcg_gen_qemu_ld64, ra, rb, disp16, 0, 1); + gen_load_int(ctx, ra, rb, disp16, MO_LEQ, 1, 0); break; case 0x0C: /* LDWU */ REQUIRE_AMASK(BWX); - gen_load_mem(ctx, &tcg_gen_qemu_ld16u, ra, rb, disp16, 0, 0); + gen_load_int(ctx, ra, rb, disp16, MO_LEUW, 0, 0); break; case 0x0D: /* STW */ REQUIRE_AMASK(BWX); - gen_store_mem(ctx, &tcg_gen_qemu_st16, ra, rb, disp16, 0, 0); + gen_store_int(ctx, ra, rb, disp16, MO_LEUW, 0); break; case 0x0E: /* STB */ REQUIRE_AMASK(BWX); - gen_store_mem(ctx, &tcg_gen_qemu_st8, ra, rb, disp16, 0, 0); + gen_store_int(ctx, ra, rb, disp16, MO_UB, 0); break; case 0x0F: /* STQ_U */ - gen_store_mem(ctx, &tcg_gen_qemu_st64, ra, rb, disp16, 0, 1); + gen_store_int(ctx, ra, rb, disp16, MO_LEQ, 1); break; case 0x10: @@ -2489,11 +2461,15 @@ static DisasJumpType translate_one(DisasContext *ctx, uint32_t insn) break; case 0x2: /* Longword physical access with lock (hw_ldl_l/p) */ - gen_qemu_ldl_l(va, addr, MMU_PHYS_IDX); + tcg_gen_qemu_ld_i64(va, addr, MMU_PHYS_IDX, MO_LESL); + tcg_gen_mov_i64(cpu_lock_addr, addr); + tcg_gen_mov_i64(cpu_lock_value, va); break; case 0x3: /* Quadword physical access with lock (hw_ldq_l/p) */ - gen_qemu_ldq_l(va, addr, MMU_PHYS_IDX); + tcg_gen_qemu_ld_i64(va, addr, MMU_PHYS_IDX, MO_LEQ); + tcg_gen_mov_i64(cpu_lock_addr, addr); + tcg_gen_mov_i64(cpu_lock_value, va); break; case 0x4: /* Longword virtual PTE fetch (hw_ldl/v) */ @@ -2846,27 +2822,27 @@ static DisasJumpType translate_one(DisasContext *ctx, uint32_t insn) break; case 0x28: /* LDL */ - gen_load_mem(ctx, &tcg_gen_qemu_ld32s, ra, rb, disp16, 0, 0); + gen_load_int(ctx, ra, rb, disp16, MO_LESL, 0, 0); break; case 0x29: /* LDQ */ - gen_load_mem(ctx, &tcg_gen_qemu_ld64, ra, rb, disp16, 0, 0); + gen_load_int(ctx, ra, rb, disp16, MO_LEQ, 0, 0); break; case 0x2A: /* LDL_L */ - gen_load_mem(ctx, &gen_qemu_ldl_l, ra, rb, disp16, 0, 0); + gen_load_int(ctx, ra, rb, disp16, MO_LESL, 0, 1); break; case 0x2B: /* LDQ_L */ - gen_load_mem(ctx, &gen_qemu_ldq_l, ra, rb, disp16, 0, 0); + gen_load_int(ctx, ra, rb, disp16, MO_LEQ, 0, 1); break; case 0x2C: /* STL */ - gen_store_mem(ctx, &tcg_gen_qemu_st32, ra, rb, disp16, 0, 0); + gen_store_int(ctx, ra, rb, disp16, MO_LEUL, 0); break; case 0x2D: /* STQ */ - gen_store_mem(ctx, &tcg_gen_qemu_st64, ra, rb, disp16, 0, 0); + gen_store_int(ctx, ra, rb, disp16, MO_LEQ, 0); break; case 0x2E: /* STL_C */ |