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authorRichard Henderson <richard.henderson@linaro.org>2021-06-01 16:35:20 -0300
committerDavid Gibson <david@gibson.dropbear.id.au>2021-06-03 18:10:31 +1000
commitf2aabda8ac9889db9449ddc0ca31627922e5a572 (patch)
treed86877576a2ee809fce254767c1fff56fcf5feb3 /target/ppc/translate.c
parent0a11bb7a35075379dffafb75698dd503eb6f9b9c (diff)
target/ppc: Move D/DS/X-form integer loads to decodetree
These are all connected by macros in the legacy decoding. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Message-Id: <20210601193528.2533031-7-matheus.ferst@eldorado.org.br> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'target/ppc/translate.c')
-rw-r--r--target/ppc/translate.c147
1 files changed, 24 insertions, 123 deletions
diff --git a/target/ppc/translate.c b/target/ppc/translate.c
index 3012c7447a..d9238d1d10 100644
--- a/target/ppc/translate.c
+++ b/target/ppc/translate.c
@@ -3323,54 +3323,6 @@ GEN_QEMU_STORE_64(st64, DEF_MEMOP(MO_Q))
GEN_QEMU_STORE_64(st64r, BSWAP_MEMOP(MO_Q))
#endif
-#define GEN_LD(name, ldop, opc, type) \
-static void glue(gen_, name)(DisasContext *ctx) \
-{ \
- TCGv EA; \
- gen_set_access_type(ctx, ACCESS_INT); \
- EA = tcg_temp_new(); \
- gen_addr_imm_index(ctx, EA, 0); \
- gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \
- tcg_temp_free(EA); \
-}
-
-#define GEN_LDU(name, ldop, opc, type) \
-static void glue(gen_, name##u)(DisasContext *ctx) \
-{ \
- TCGv EA; \
- if (unlikely(rA(ctx->opcode) == 0 || \
- rA(ctx->opcode) == rD(ctx->opcode))) { \
- gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \
- return; \
- } \
- gen_set_access_type(ctx, ACCESS_INT); \
- EA = tcg_temp_new(); \
- if (type == PPC_64B) \
- gen_addr_imm_index(ctx, EA, 0x03); \
- else \
- gen_addr_imm_index(ctx, EA, 0); \
- gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \
- tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \
- tcg_temp_free(EA); \
-}
-
-#define GEN_LDUX(name, ldop, opc2, opc3, type) \
-static void glue(gen_, name##ux)(DisasContext *ctx) \
-{ \
- TCGv EA; \
- if (unlikely(rA(ctx->opcode) == 0 || \
- rA(ctx->opcode) == rD(ctx->opcode))) { \
- gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \
- return; \
- } \
- gen_set_access_type(ctx, ACCESS_INT); \
- EA = tcg_temp_new(); \
- gen_addr_reg_index(ctx, EA); \
- gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \
- tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \
- tcg_temp_free(EA); \
-}
-
#define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk) \
static void glue(gen_, name##x)(DisasContext *ctx) \
{ \
@@ -3389,21 +3341,6 @@ static void glue(gen_, name##x)(DisasContext *ctx) \
#define GEN_LDX_HVRM(name, ldop, opc2, opc3, type) \
GEN_LDX_E(name, ldop, opc2, opc3, type, PPC_NONE, CHK_HVRM)
-#define GEN_LDS(name, ldop, op, type) \
-GEN_LD(name, ldop, op | 0x20, type); \
-GEN_LDU(name, ldop, op | 0x21, type); \
-GEN_LDUX(name, ldop, 0x17, op | 0x01, type); \
-GEN_LDX(name, ldop, 0x17, op | 0x00, type)
-
-/* lbz lbzu lbzux lbzx */
-GEN_LDS(lbz, ld8u, 0x02, PPC_INTEGER);
-/* lha lhau lhaux lhax */
-GEN_LDS(lha, ld16s, 0x0A, PPC_INTEGER);
-/* lhz lhzu lhzux lhzx */
-GEN_LDS(lhz, ld16u, 0x08, PPC_INTEGER);
-/* lwz lwzu lwzux lwzx */
-GEN_LDS(lwz, ld32u, 0x00, PPC_INTEGER);
-
#define GEN_LDEPX(name, ldop, opc2, opc3) \
static void glue(gen_, name##epx)(DisasContext *ctx) \
{ \
@@ -3424,47 +3361,12 @@ GEN_LDEPX(ld, DEF_MEMOP(MO_Q), 0x1D, 0x00)
#endif
#if defined(TARGET_PPC64)
-/* lwaux */
-GEN_LDUX(lwa, ld32s, 0x15, 0x0B, PPC_64B);
-/* lwax */
-GEN_LDX(lwa, ld32s, 0x15, 0x0A, PPC_64B);
-/* ldux */
-GEN_LDUX(ld, ld64_i64, 0x15, 0x01, PPC_64B);
-/* ldx */
-GEN_LDX(ld, ld64_i64, 0x15, 0x00, PPC_64B);
-
/* CI load/store variants */
GEN_LDX_HVRM(ldcix, ld64_i64, 0x15, 0x1b, PPC_CILDST)
GEN_LDX_HVRM(lwzcix, ld32u, 0x15, 0x15, PPC_CILDST)
GEN_LDX_HVRM(lhzcix, ld16u, 0x15, 0x19, PPC_CILDST)
GEN_LDX_HVRM(lbzcix, ld8u, 0x15, 0x1a, PPC_CILDST)
-static void gen_ld(DisasContext *ctx)
-{
- TCGv EA;
- if (Rc(ctx->opcode)) {
- if (unlikely(rA(ctx->opcode) == 0 ||
- rA(ctx->opcode) == rD(ctx->opcode))) {
- gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
- return;
- }
- }
- gen_set_access_type(ctx, ACCESS_INT);
- EA = tcg_temp_new();
- gen_addr_imm_index(ctx, EA, 0x03);
- if (ctx->opcode & 0x02) {
- /* lwa (lwau is undefined) */
- gen_qemu_ld32s(ctx, cpu_gpr[rD(ctx->opcode)], EA);
- } else {
- /* ld - ldu */
- gen_qemu_ld64_i64(ctx, cpu_gpr[rD(ctx->opcode)], EA);
- }
- if (Rc(ctx->opcode)) {
- tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);
- }
- tcg_temp_free(EA);
-}
-
/* lq */
static void gen_lq(DisasContext *ctx)
{
@@ -7638,6 +7540,14 @@ static inline void set_avr64(int regno, TCGv_i64 src, bool high)
}
/*
+ * Helpers for decodetree used by !function for decoding arguments.
+ */
+static int times_4(DisasContext *ctx, int x)
+{
+ return x * 4;
+}
+
+/*
* Helpers for trans_* functions to check for specific insns flags.
* Use token pasting to ensure that we use the proper flag with the
* proper variable.
@@ -7663,6 +7573,21 @@ static inline void set_avr64(int regno, TCGv_i64 src, bool high)
# define REQUIRE_64BIT(CTX) REQUIRE_INSNS_FLAGS(CTX, 64B)
#endif
+/*
+ * Helpers for implementing sets of trans_* functions.
+ * Defer the implementation of NAME to FUNC, with optional extra arguments.
+ */
+#define TRANS(NAME, FUNC, ...) \
+ static bool trans_##NAME(DisasContext *ctx, arg_##NAME *a) \
+ { return FUNC(ctx, a, __VA_ARGS__); }
+
+#define TRANS64(NAME, FUNC, ...) \
+ static bool trans_##NAME(DisasContext *ctx, arg_##NAME *a) \
+ { REQUIRE_64BIT(ctx); return FUNC(ctx, a, __VA_ARGS__); }
+
+/* TODO: More TRANS* helpers for extra insn_flags checks. */
+
+
#include "decode-insn32.c.inc"
#include "decode-insn64.c.inc"
#include "translate/fixedpoint-impl.c.inc"
@@ -7847,7 +7772,6 @@ GEN_HANDLER2_E(extswsli1, "extswsli", 0x1F, 0x1B, 0x1B, 0x00000000,
PPC_NONE, PPC2_ISA300),
#endif
#if defined(TARGET_PPC64)
-GEN_HANDLER(ld, 0x3A, 0xFF, 0xFF, 0x00000000, PPC_64B),
GEN_HANDLER(lq, 0x38, 0xFF, 0xFF, 0x00000000, PPC_64BX),
GEN_HANDLER(std, 0x3E, 0xFF, 0xFF, 0x00000000, PPC_64B),
#endif
@@ -8213,34 +8137,11 @@ GEN_PPC64_R2(rldcr, 0x1E, 0x09),
GEN_PPC64_R4(rldimi, 0x1E, 0x06),
#endif
-#undef GEN_LD
-#undef GEN_LDU
-#undef GEN_LDUX
#undef GEN_LDX_E
-#undef GEN_LDS
-#define GEN_LD(name, ldop, opc, type) \
-GEN_HANDLER(name, opc, 0xFF, 0xFF, 0x00000000, type),
-#define GEN_LDU(name, ldop, opc, type) \
-GEN_HANDLER(name##u, opc, 0xFF, 0xFF, 0x00000000, type),
-#define GEN_LDUX(name, ldop, opc2, opc3, type) \
-GEN_HANDLER(name##ux, 0x1F, opc2, opc3, 0x00000001, type),
#define GEN_LDX_E(name, ldop, opc2, opc3, type, type2, chk) \
GEN_HANDLER_E(name##x, 0x1F, opc2, opc3, 0x00000001, type, type2),
-#define GEN_LDS(name, ldop, op, type) \
-GEN_LD(name, ldop, op | 0x20, type) \
-GEN_LDU(name, ldop, op | 0x21, type) \
-GEN_LDUX(name, ldop, 0x17, op | 0x01, type) \
-GEN_LDX(name, ldop, 0x17, op | 0x00, type)
-
-GEN_LDS(lbz, ld8u, 0x02, PPC_INTEGER)
-GEN_LDS(lha, ld16s, 0x0A, PPC_INTEGER)
-GEN_LDS(lhz, ld16u, 0x08, PPC_INTEGER)
-GEN_LDS(lwz, ld32u, 0x00, PPC_INTEGER)
+
#if defined(TARGET_PPC64)
-GEN_LDUX(lwa, ld32s, 0x15, 0x0B, PPC_64B)
-GEN_LDX(lwa, ld32s, 0x15, 0x0A, PPC_64B)
-GEN_LDUX(ld, ld64_i64, 0x15, 0x01, PPC_64B)
-GEN_LDX(ld, ld64_i64, 0x15, 0x00, PPC_64B)
GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE)
/* HV/P7 and later only */
generated by cgit v1.2.3 (git 2.26.2) at 2025-03-11 22:58:58 +0000