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[Qemu-devel] [PATCH for-next 08/15] tcg-ppc64: Create PowerOpcode


From: Richard Henderson
Subject: [Qemu-devel] [PATCH for-next 08/15] tcg-ppc64: Create PowerOpcode
Date: Mon, 5 Aug 2013 08:28:43 -1000

This makes some bits easier to debug, being presented with a symbol
instead of a number inside gdb.

Signed-off-by: Richard Henderson <address@hidden>
---
 tcg/ppc64/tcg-target.c | 273 +++++++++++++++++++++++++------------------------
 1 file changed, 138 insertions(+), 135 deletions(-)

diff --git a/tcg/ppc64/tcg-target.c b/tcg/ppc64/tcg-target.c
index 862e84c..a79b876 100644
--- a/tcg/ppc64/tcg-target.c
+++ b/tcg/ppc64/tcg-target.c
@@ -313,133 +313,10 @@ static int tcg_target_const_match (tcg_target_long val,
 #define XO58(opc) (OPCD(58)|(opc))
 #define XO62(opc) (OPCD(62)|(opc))
 
-#define B      OPCD( 18)
-#define BC     OPCD( 16)
-#define LBZ    OPCD( 34)
-#define LHZ    OPCD( 40)
-#define LHA    OPCD( 42)
-#define LWZ    OPCD( 32)
-#define STB    OPCD( 38)
-#define STH    OPCD( 44)
-#define STW    OPCD( 36)
-
-#define STD    XO62(  0)
-#define STDU   XO62(  1)
-#define STDX   XO31(149)
-
-#define LD     XO58(  0)
-#define LDX    XO31( 21)
-#define LDU    XO58(  1)
-#define LWA    XO58(  2)
-#define LWAX   XO31(341)
-
-#define ADDIC  OPCD( 12)
-#define ADDI   OPCD( 14)
-#define ADDIS  OPCD( 15)
-#define ORI    OPCD( 24)
-#define ORIS   OPCD( 25)
-#define XORI   OPCD( 26)
-#define XORIS  OPCD( 27)
-#define ANDI   OPCD( 28)
-#define ANDIS  OPCD( 29)
-#define MULLI  OPCD(  7)
-#define CMPLI  OPCD( 10)
-#define CMPI   OPCD( 11)
-#define SUBFIC OPCD( 8)
-
-#define LWZU   OPCD( 33)
-#define STWU   OPCD( 37)
-
-#define RLWIMI OPCD( 20)
-#define RLWINM OPCD( 21)
-#define RLWNM  OPCD( 23)
-
-#define RLDICL MD30(  0)
-#define RLDICR MD30(  1)
-#define RLDIMI MD30(  3)
-#define RLDCL  MDS30( 8)
-
-#define BCLR   XO19( 16)
-#define BCCTR  XO19(528)
-#define CRAND  XO19(257)
-#define CRANDC XO19(129)
-#define CRNAND XO19(225)
-#define CROR   XO19(449)
-#define CRNOR  XO19( 33)
-
-#define EXTSB  XO31(954)
-#define EXTSH  XO31(922)
-#define EXTSW  XO31(986)
-#define ADD    XO31(266)
-#define ADDE   XO31(138)
-#define ADDME  XO31(234)
-#define ADDZE  XO31(202)
-#define ADDC   XO31( 10)
-#define AND    XO31( 28)
-#define SUBF   XO31( 40)
-#define SUBFC  XO31(  8)
-#define SUBFE  XO31(136)
-#define SUBFME XO31(232)
-#define SUBFZE XO31(200)
-#define OR     XO31(444)
-#define XOR    XO31(316)
-#define MULLW  XO31(235)
-#define MULHWU XO31( 11)
-#define DIVW   XO31(491)
-#define DIVWU  XO31(459)
-#define CMP    XO31(  0)
-#define CMPL   XO31( 32)
-#define LHBRX  XO31(790)
-#define LWBRX  XO31(534)
-#define LDBRX  XO31(532)
-#define STHBRX XO31(918)
-#define STWBRX XO31(662)
-#define STDBRX XO31(660)
-#define MFSPR  XO31(339)
-#define MTSPR  XO31(467)
-#define SRAWI  XO31(824)
-#define NEG    XO31(104)
-#define MFCR   XO31( 19)
-#define MFOCRF (MFCR | (1u << 20))
-#define NOR    XO31(124)
-#define CNTLZW XO31( 26)
-#define CNTLZD XO31( 58)
-#define ANDC   XO31( 60)
-#define ORC    XO31(412)
-#define EQV    XO31(284)
-#define NAND   XO31(476)
-#define ISEL   XO31( 15)
-
-#define MULLD  XO31(233)
-#define MULHD  XO31( 73)
-#define MULHDU XO31(  9)
-#define DIVD   XO31(489)
-#define DIVDU  XO31(457)
-
-#define LBZX   XO31( 87)
-#define LHZX   XO31(279)
-#define LHAX   XO31(343)
-#define LWZX   XO31( 23)
-#define STBX   XO31(215)
-#define STHX   XO31(407)
-#define STWX   XO31(151)
-
 #define SPR(a,b) ((((a)<<5)|(b))<<11)
 #define LR     SPR(8, 0)
 #define CTR    SPR(9, 0)
 
-#define SLW    XO31( 24)
-#define SRW    XO31(536)
-#define SRAW   XO31(792)
-
-#define SLD    XO31( 27)
-#define SRD    XO31(539)
-#define SRAD   XO31(794)
-#define SRADI  XO31(413<<1)
-
-#define TW     XO31( 4)
-#define TRAP   (TW | TO (31))
-
 #define RT(r) ((r)<<21)
 #define RS(r) ((r)<<21)
 #define RA(r) ((r)<<16)
@@ -455,6 +332,131 @@ static int tcg_target_const_match (tcg_target_long val,
 #define LK    1
 #define AA    2
 
+typedef enum PowerOpcode {
+    B      = OPCD( 18),
+    BC     = OPCD( 16),
+    LBZ    = OPCD( 34),
+    LHZ    = OPCD( 40),
+    LHA    = OPCD( 42),
+    LWZ    = OPCD( 32),
+    STB    = OPCD( 38),
+    STH    = OPCD( 44),
+    STW    = OPCD( 36),
+
+    STD    = XO62(  0),
+    STDU   = XO62(  1),
+    STDX   = XO31(149),
+
+    LD     = XO58(  0),
+    LDX    = XO31( 21),
+    LDU    = XO58(  1),
+    LWA    = XO58(  2),
+    LWAX   = XO31(341),
+
+    ADDIC  = OPCD( 12),
+    ADDI   = OPCD( 14),
+    ADDIS  = OPCD( 15),
+    ORI    = OPCD( 24),
+    ORIS   = OPCD( 25),
+    XORI   = OPCD( 26),
+    XORIS  = OPCD( 27),
+    ANDI   = OPCD( 28),
+    ANDIS  = OPCD( 29),
+    MULLI  = OPCD(  7),
+    CMPLI  = OPCD( 10),
+    CMPI   = OPCD( 11),
+    SUBFIC = OPCD(  8),
+
+    LWZU   = OPCD( 33),
+    STWU   = OPCD( 37),
+
+    RLWIMI = OPCD( 20),
+    RLWINM = OPCD( 21),
+    RLWNM  = OPCD( 23),
+
+    RLDICL = MD30(  0),
+    RLDICR = MD30(  1),
+    RLDIMI = MD30(  3),
+    RLDCL  = MDS30( 8),
+
+    BCLR   = XO19( 16),
+    BCCTR  = XO19(528),
+    CRAND  = XO19(257),
+    CRANDC = XO19(129),
+    CRNAND = XO19(225),
+    CROR   = XO19(449),
+    CRNOR  = XO19( 33),
+
+    EXTSB  = XO31(954),
+    EXTSH  = XO31(922),
+    EXTSW  = XO31(986),
+    ADD    = XO31(266),
+    ADDE   = XO31(138),
+    ADDME  = XO31(234),
+    ADDZE  = XO31(202),
+    ADDC   = XO31( 10),
+    AND    = XO31( 28),
+    SUBF   = XO31( 40),
+    SUBFC  = XO31(  8),
+    SUBFE  = XO31(136),
+    SUBFME = XO31(232),
+    SUBFZE = XO31(200),
+    OR     = XO31(444),
+    XOR    = XO31(316),
+    MULLW  = XO31(235),
+    MULHWU = XO31( 11),
+    DIVW   = XO31(491),
+    DIVWU  = XO31(459),
+    CMP    = XO31(  0),
+    CMPL   = XO31( 32),
+    LHBRX  = XO31(790),
+    LWBRX  = XO31(534),
+    LDBRX  = XO31(532),
+    STHBRX = XO31(918),
+    STWBRX = XO31(662),
+    STDBRX = XO31(660),
+    MFSPR  = XO31(339),
+    MTSPR  = XO31(467),
+    SRAWI  = XO31(824),
+    NEG    = XO31(104),
+    MFCR   = XO31( 19),
+    MFOCRF = MFCR | (1u << 20),
+    NOR    = XO31(124),
+    CNTLZW = XO31( 26),
+    CNTLZD = XO31( 58),
+    ANDC   = XO31( 60),
+    ORC    = XO31(412),
+    EQV    = XO31(284),
+    NAND   = XO31(476),
+    ISEL   = XO31( 15),
+
+    MULLD  = XO31(233),
+    MULHD  = XO31( 73),
+    MULHDU = XO31(  9),
+    DIVD   = XO31(489),
+    DIVDU  = XO31(457),
+
+    LBZX   = XO31( 87),
+    LHZX   = XO31(279),
+    LHAX   = XO31(343),
+    LWZX   = XO31( 23),
+    STBX   = XO31(215),
+    STHX   = XO31(407),
+    STWX   = XO31(151),
+
+    SLW    = XO31( 24),
+    SRW    = XO31(536),
+    SRAW   = XO31(792),
+
+    SLD    = XO31( 27),
+    SRD    = XO31(539),
+    SRAD   = XO31(794),
+    SRADI  = XO31(413<<1),
+
+    TW     = XO31( 4),
+    TRAP   = TW | TO(31),
+} PowerOpcode;
+
 #define TAB(t, a, b) (RT(t) | RA(a) | RB(b))
 #define SAB(s, a, b) (RS(s) | RA(a) | RB(b))
 #define TAI(s, a, i) (RT(s) | RA(a) | ((i) & 0xffff))
@@ -513,16 +515,16 @@ static inline void tcg_out_mov(TCGContext *s, TCGType 
type,
     }
 }
 
-static inline void tcg_out_rld(TCGContext *s, int op, TCGReg ra, TCGReg rs,
-                               int sh, int mb)
+static inline void tcg_out_rld(TCGContext *s, PowerOpcode op, TCGReg ra,
+                               TCGReg rs, int sh, int mb)
 {
     sh = SH (sh & 0x1f) | (((sh >> 5) & 1) << 1);
     mb = MB64 ((mb >> 5) | ((mb << 1) & 0x3f));
     tcg_out32 (s, op | RA (ra) | RS (rs) | sh | mb);
 }
 
-static inline void tcg_out_rlw(TCGContext *s, int op, TCGReg ra, TCGReg rs,
-                               int sh, int mb, int me)
+static inline void tcg_out_rlw(TCGContext *s, PowerOpcode op, TCGReg ra,
+                               TCGReg rs, int sh, int mb, int me)
 {
     tcg_out32(s, op | RA(ra) | RS(rs) | SH(sh) | MB(mb) | ME(me));
 }
@@ -666,7 +668,7 @@ static void tcg_out_andi64(TCGContext *s, TCGReg dst, 
TCGReg src, uint64_t c)
 }
 
 static void tcg_out_zori32(TCGContext *s, TCGReg dst, TCGReg src, uint32_t c,
-                           int op_lo, int op_hi)
+                           PowerOpcode op_lo, PowerOpcode op_hi)
 {
     if (c >> 16) {
         tcg_out32(s, op_hi | SAI(src, dst, c >> 16));
@@ -741,7 +743,7 @@ static void tcg_out_call(TCGContext *s, tcg_target_long arg,
 }
 
 static void tcg_out_ldst(TCGContext *s, TCGReg ret, TCGReg addr,
-                         int offset, int op1, int op2)
+                         int offset, PowerOpcode op1, PowerOpcode op2)
 {
     if (offset == (int16_t) offset) {
         tcg_out32(s, op1 | TAI(ret, addr, offset));
@@ -752,7 +754,7 @@ static void tcg_out_ldst(TCGContext *s, TCGReg ret, TCGReg 
addr,
 }
 
 static void tcg_out_ldsta(TCGContext *s, TCGReg ret, TCGReg addr,
-                          int offset, int op1, int op2)
+                          int offset, PowerOpcode op1, PowerOpcode op2)
 {
     if (offset == (int16_t) (offset & ~3)) {
         tcg_out32(s, op1 | TAI(ret, addr, offset));
@@ -820,7 +822,7 @@ static void tcg_out_tlb_read(TCGContext *s, TCGReg r0, 
TCGReg r1, TCGReg r2,
 }
 #endif
 
-static const uint32_t qemu_ldx_opc[8] = {
+static const PowerOpcode qemu_ldx_opc[8] = {
 #ifdef TARGET_WORDS_BIGENDIAN
     LBZX, LHZX, LWZX, LDX,
     0,    LHAX, LWAX, LDX
@@ -830,7 +832,7 @@ static const uint32_t qemu_ldx_opc[8] = {
 #endif
 };
 
-static const uint32_t qemu_stx_opc[4] = {
+static const PowerOpcode qemu_stx_opc[4] = {
 #ifdef TARGET_WORDS_BIGENDIAN
     STBX, STHX, STWX, STDX
 #else
@@ -838,14 +840,15 @@ static const uint32_t qemu_stx_opc[4] = {
 #endif
 };
 
-static const uint32_t qemu_exts_opc[4] = {
+static const PowerOpcode qemu_exts_opc[4] = {
     EXTSB, EXTSH, EXTSW, 0
 };
 
 static void tcg_out_qemu_ld (TCGContext *s, const TCGArg *args, int opc)
 {
     TCGReg addr_reg, data_reg, r0, r1, rbase;
-    uint32_t insn, s_bits;
+    PowerOpcode insn;
+    int s_bits;
 #ifdef CONFIG_SOFTMMU
     TCGReg r2, ir;
     int mem_index;
@@ -936,7 +939,7 @@ static void tcg_out_qemu_ld (TCGContext *s, const TCGArg 
*args, int opc)
 static void tcg_out_qemu_st (TCGContext *s, const TCGArg *args, int opc)
 {
     TCGReg addr_reg, r0, r1, rbase, data_reg;
-    uint32_t insn;
+    PowerOpcode insn;
 #ifdef CONFIG_SOFTMMU
     TCGReg r2, ir;
     int mem_index;
-- 
1.8.3.1




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