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[Qemu-devel] [4584] ppc TCG target (malc)
|
From: |
Fabrice Bellard |
|
Subject: |
[Qemu-devel] [4584] ppc TCG target (malc) |
|
Date: |
Sun, 25 May 2008 18:59:57 +0000 |
Revision: 4584
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=4584
Author: bellard
Date: 2008-05-25 18:59:57 +0000 (Sun, 25 May 2008)
Log Message:
-----------
ppc TCG target (malc)
Added Paths:
-----------
trunk/tcg/ppc/
trunk/tcg/ppc/tcg-target.c
trunk/tcg/ppc/tcg-target.h
Added: trunk/tcg/ppc/tcg-target.c
===================================================================
--- trunk/tcg/ppc/tcg-target.c (rev 0)
+++ trunk/tcg/ppc/tcg-target.c 2008-05-25 18:59:57 UTC (rev 4584)
@@ -0,0 +1,1395 @@
+/*
+ * Tiny Code Generator for QEMU
+ *
+ * Copyright (c) 2008 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+static uint8_t *tb_ret_addr;
+
+#define TCG_CT_PC14 0x100
+#define TCG_CT_PC24 0x200
+
+#define FAST_PATH
+#if TARGET_PHYS_ADDR_BITS <= 32
+#define ADDEND_OFFSET 0
+#else
+#define ADDEND_OFFSET 4
+#endif
+
+static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = {
+ "r0",
+ "r1",
+ "rp",
+ "r3",
+ "r4",
+ "r5",
+ "r6",
+ "r7",
+ "r8",
+ "r9",
+ "r10",
+ "r11",
+ "r12",
+ "r13",
+ "r14",
+ "r15",
+ "r16",
+ "r17",
+ "r18",
+ "r19",
+ "r20",
+ "r21",
+ "r22",
+ "r23",
+ "r24",
+ "r25",
+ "r26",
+ "r27",
+ "r28",
+ "r29",
+ "r30",
+ "r31"
+};
+
+static const int tcg_target_reg_alloc_order[] = {
+ TCG_REG_R0,
+ TCG_REG_R1,
+ TCG_REG_R2,
+ TCG_REG_R3,
+ TCG_REG_R4,
+ TCG_REG_R5,
+ TCG_REG_R6,
+ TCG_REG_R7,
+ TCG_REG_R8,
+ TCG_REG_R9,
+ TCG_REG_R10,
+ TCG_REG_R11,
+ TCG_REG_R12,
+ TCG_REG_R13,
+ TCG_REG_R14,
+ TCG_REG_R15,
+ TCG_REG_R16,
+ TCG_REG_R17,
+ TCG_REG_R18,
+ TCG_REG_R19,
+ TCG_REG_R20,
+ TCG_REG_R21,
+ TCG_REG_R22,
+ TCG_REG_R23,
+ TCG_REG_R24,
+ TCG_REG_R25,
+ TCG_REG_R26,
+ TCG_REG_R27,
+ TCG_REG_R28,
+ TCG_REG_R29,
+ TCG_REG_R30,
+ TCG_REG_R31
+};
+
+static const int tcg_target_call_iarg_regs[] = {
+ TCG_REG_R3,
+ TCG_REG_R4,
+ TCG_REG_R5,
+ TCG_REG_R6,
+ TCG_REG_R7,
+ TCG_REG_R8,
+ TCG_REG_R9,
+ TCG_REG_R10
+};
+
+static const int tcg_target_call_oarg_regs[2] = {
+ TCG_REG_R3,
+ TCG_REG_R4
+};
+
+static const int tcg_target_callee_save_regs[] = {
+ TCG_REG_R13, /* sould r13 be saved? */
+ TCG_REG_R14,
+ TCG_REG_R15,
+ TCG_REG_R16,
+ TCG_REG_R17,
+ TCG_REG_R18,
+ TCG_REG_R19,
+ TCG_REG_R20,
+ TCG_REG_R21,
+ TCG_REG_R22,
+ TCG_REG_R23,
+ TCG_REG_R28,
+ TCG_REG_R29,
+ TCG_REG_R30,
+ TCG_REG_R31
+};
+
+static uint32_t reloc_pc24_val (void *pc, tcg_target_long target)
+{
+ return (target - (tcg_target_long) pc) & 0x3fffffc;
+}
+
+static void reloc_pc24 (void *pc, tcg_target_long target)
+{
+ *(uint32_t *) pc = (*(uint32_t *) pc & ~0x3fffffc)
+ | reloc_pc24_val (pc, target);
+}
+
+static uint16_t reloc_pc14_val (void *pc, tcg_target_long target)
+{
+ return (target - (tcg_target_long) pc) & 0xfffc;
+}
+
+static void reloc_pc14 (void *pc, tcg_target_long target)
+{
+ *(uint32_t *) pc = (*(uint32_t *) pc & ~0xfffc)
+ | reloc_pc14_val (pc, target);
+}
+
+static void patch_reloc(uint8_t *code_ptr, int type,
+ tcg_target_long value, tcg_target_long addend)
+{
+ value += addend;
+ switch (type) {
+ case R_PPC_REL14:
+ reloc_pc14 (code_ptr, value);
+ break;
+ case R_PPC_REL24:
+ reloc_pc24 (code_ptr, value);
+ break;
+ default:
+ tcg_abort();
+ }
+}
+
+/* maximum number of register used for input function arguments */
+static int tcg_target_get_call_iarg_regs_count(int flags)
+{
+ return sizeof (tcg_target_call_iarg_regs) / sizeof
(tcg_target_call_iarg_regs[0]);
+}
+
+/* parse target specific constraints */
+static int target_parse_constraint(TCGArgConstraint *ct, const char **pct_str)
+{
+ const char *ct_str;
+
+ ct_str = *pct_str;
+ switch (ct_str[0]) {
+ case 'r':
+ ct->ct |= TCG_CT_REG;
+ tcg_regset_set32(ct->u.regs, 0, 0xffffffff);
+ break;
+ case 'L': /* qemu_ld constraint */
+ ct->ct |= TCG_CT_REG;
+ tcg_regset_set32(ct->u.regs, 0, 0xffffffff);
+ tcg_regset_reset_reg(ct->u.regs, TCG_REG_R3);
+ tcg_regset_reset_reg(ct->u.regs, TCG_REG_R4);
+ break;
+ case 'K': /* qemu_st[8..32] constraint */
+ ct->ct |= TCG_CT_REG;
+ tcg_regset_set32(ct->u.regs, 0, 0xffffffff);
+ tcg_regset_reset_reg(ct->u.regs, TCG_REG_R3);
+ tcg_regset_reset_reg(ct->u.regs, TCG_REG_R4);
+ tcg_regset_reset_reg(ct->u.regs, TCG_REG_R5);
+#if TARGET_LONG_BITS == 64
+ tcg_regset_reset_reg(ct->u.regs, TCG_REG_R6);
+#endif
+ break;
+ case 'M': /* qemu_st64 constraint */
+ ct->ct |= TCG_CT_REG;
+ tcg_regset_set32(ct->u.regs, 0, 0xffffffff);
+ tcg_regset_reset_reg(ct->u.regs, TCG_REG_R3);
+ tcg_regset_reset_reg(ct->u.regs, TCG_REG_R4);
+ tcg_regset_reset_reg(ct->u.regs, TCG_REG_R5);
+ tcg_regset_reset_reg(ct->u.regs, TCG_REG_R6);
+ tcg_regset_reset_reg(ct->u.regs, TCG_REG_R7);
+ break;
+ case 'J': /* 24 bit displacement */
+ ct->ct |= TCG_CT_PC24;
+ break;
+ case 'j': /* 16 bit displacement */
+ ct->ct |= TCG_CT_PC14;
+ break;
+ default:
+ return -1;
+ }
+ ct_str++;
+ *pct_str = ct_str;
+ return 0;
+}
+
+/* test if a constant matches the constraint */
+static int tcg_target_const_match(tcg_target_long val,
+ const TCGArgConstraint *arg_ct)
+{
+ int ct;
+
+ ct = arg_ct->ct;
+ if (ct & TCG_CT_CONST)
+ return 1;
+ else if (ct & TCG_CT_PC14) {
+ return val == (int16_t) val;
+ }
+ else if (ct & TCG_CT_PC24) {
+ if (val < 0) return val > -0x800000;
+ return val < 0x7fffff;
+ }
+ return 0;
+}
+
+#define OPCD(opc) ((opc)<<26)
+#define XO31(opc) (OPCD(31)|((opc)<<1))
+#define XO19(opc) (OPCD(19)|((opc)<<1))
+
+#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 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 LWZU OPCD(33)
+#define STWU OPCD(37)
+
+#define RLWINM OPCD(21)
+
+#define BCLR XO19(16)
+#define BCCTR XO19(528)
+#define CRAND XO19(257)
+
+#define EXTSB XO31(954)
+#define EXTSH XO31(922)
+#define ADD XO31(266)
+#define ADDE XO31(138)
+#define ADDC XO31( 10)
+#define AND XO31( 28)
+#define SUBF XO31( 40)
+#define SUBFC XO31( 8)
+#define SUBFE XO31(136)
+#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 STHBRX XO31(918)
+#define STWBRX XO31(662)
+#define MFSPR XO31(339)
+#define MTSPR XO31(467)
+#define SRAWI XO31(824)
+#define NEG XO31(104)
+
+#define LBZX XO31( 87)
+#define LHZX XO31(276)
+#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 LMW OPCD(46)
+#define STMW OPCD(47)
+
+#define TW XO31(4)
+#define TRAP (TW | TO (31))
+
+#define RT(r) ((r)<<21)
+#define RS(r) ((r)<<21)
+#define RA(r) ((r)<<16)
+#define RB(r) ((r)<<11)
+#define TO(t) ((t)<<21)
+#define SH(s) ((s)<<11)
+#define MB(b) ((b)<<6)
+#define ME(e) ((e)<<1)
+#define BO(o) ((o)<<21)
+
+#define LK 1
+
+#define TAB(t,a,b) (RT(t) | RA(a) | RB(b))
+#define SAB(s,a,b) (RS(s) | RA(a) | RB(b))
+
+#define BF(n) ((n)<<23)
+#define BI(n, c) (((c)+((n)*4))<<16)
+#define BT(n, c) (((c)+((n)*4))<<21)
+#define BA(n, c) (((c)+((n)*4))<<16)
+#define BB(n, c) (((c)+((n)*4))<<11)
+
+#define BO_COND_TRUE BO (12)
+#define BO_COND_FALSE BO (4)
+#define BO_ALWAYS BO (20)
+
+enum {
+ CR_LT,
+ CR_GT,
+ CR_EQ,
+ CR_SO
+};
+
+static const uint32_t tcg_to_bc[10] = {
+ [TCG_COND_EQ] = BC | BI (7, CR_EQ) | BO_COND_TRUE,
+ [TCG_COND_NE] = BC | BI (7, CR_EQ) | BO_COND_FALSE,
+ [TCG_COND_LT] = BC | BI (7, CR_LT) | BO_COND_TRUE,
+ [TCG_COND_GE] = BC | BI (7, CR_LT) | BO_COND_FALSE,
+ [TCG_COND_LE] = BC | BI (7, CR_GT) | BO_COND_FALSE,
+ [TCG_COND_GT] = BC | BI (7, CR_GT) | BO_COND_TRUE,
+ [TCG_COND_LTU] = BC | BI (7, CR_LT) | BO_COND_TRUE,
+ [TCG_COND_GEU] = BC | BI (7, CR_LT) | BO_COND_FALSE,
+ [TCG_COND_LEU] = BC | BI (7, CR_GT) | BO_COND_FALSE,
+ [TCG_COND_GTU] = BC | BI (7, CR_GT) | BO_COND_TRUE,
+};
+
+static void tcg_out_mov(TCGContext *s, int ret, int arg)
+{
+ tcg_out32 (s, OR | SAB (arg, ret, arg));
+}
+
+static void tcg_out_movi(TCGContext *s, TCGType type,
+ int ret, tcg_target_long arg)
+{
+ if (arg == (int16_t) arg)
+ tcg_out32 (s, ADDI | RT (ret) | RA (0) | (arg & 0xffff));
+ else {
+ tcg_out32 (s, ADDIS | RT (ret) | RA (0) | ((arg >> 16) & 0xffff));
+ if (arg & 0xffff)
+ tcg_out32 (s, ORI | RT (ret) | RA (ret) | (arg & 0xffff));
+ }
+}
+
+static void tcg_out_ldst (TCGContext *s, int ret, int addr,
+ int offset, int op1, int op2)
+{
+ if (offset == (int16_t) offset)
+ tcg_out32 (s, op1 | RT (ret) | RA (addr) | (offset & 0xffff));
+ else {
+ tcg_out_movi (s, TCG_TYPE_I32, 0, offset);
+ tcg_out32 (s, op2 | RT (ret) | RA (addr) | RB (0));
+ }
+}
+
+#if defined(CONFIG_SOFTMMU)
+extern void __ldb_mmu(void);
+extern void __ldw_mmu(void);
+extern void __ldl_mmu(void);
+extern void __ldq_mmu(void);
+
+extern void __stb_mmu(void);
+extern void __stw_mmu(void);
+extern void __stl_mmu(void);
+extern void __stq_mmu(void);
+
+static void *qemu_ld_helpers[4] = {
+ __ldb_mmu,
+ __ldw_mmu,
+ __ldl_mmu,
+ __ldq_mmu,
+};
+
+static void *qemu_st_helpers[4] = {
+ __stb_mmu,
+ __stw_mmu,
+ __stl_mmu,
+ __stq_mmu,
+};
+#endif
+
+static void tcg_out_qemu_ld (TCGContext *s, const TCGArg *args, int opc)
+{
+ int addr_reg, data_reg, data_reg2, r0, mem_index, s_bits, bswap;
+#ifdef CONFIG_SOFTMMU
+ int r1, r2;
+ void *label1_ptr, *label2_ptr;
+#endif
+#if TARGET_LONG_BITS == 64
+ int addr_reg2;
+#endif
+
+ data_reg = *args++;
+ if (opc == 3)
+ data_reg2 = *args++;
+ else
+ data_reg2 = 0;
+ addr_reg = *args++;
+#if TARGET_LONG_BITS == 64
+ addr_reg2 = *args++;
+#endif
+ mem_index = *args;
+ s_bits = opc & 3;
+
+#ifdef CONFIG_SOFTMMU
+ r0 = 3;
+ r1 = 4;
+ r2 = 0;
+
+ tcg_out32 (s, (RLWINM
+ | RA (r0)
+ | RS (addr_reg)
+ | SH (32 - (TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS))
+ | MB (32 - (CPU_TLB_BITS + CPU_TLB_ENTRY_BITS))
+ | ME (31 - CPU_TLB_ENTRY_BITS)
+ )
+ );
+ tcg_out32 (s, ADD | RT (r0) | RA (r0) | RB (TCG_AREG0));
+ tcg_out32 (s, (LWZU
+ | RT (r1)
+ | RA (r0)
+ | offsetof (CPUState, tlb_table[mem_index][0].addr_read)
+ )
+ );
+ tcg_out32 (s, (RLWINM
+ | RA (r2)
+ | RS (addr_reg)
+ | SH (0)
+ | MB ((32 - s_bits) & 31)
+ | ME (31 - TARGET_PAGE_BITS)
+ )
+ );
+
+ tcg_out32 (s, CMP | BF (7) | RA (r2) | RB (r1));
+#if TARGET_LONG_BITS == 64
+ tcg_out32 (s, LWZ | RT (r1) | RA (r0) | 4);
+ tcg_out32 (s, CMP | BF (6) | RA (addr_reg2) | RB (r1));
+ tcg_out32 (s, CRAND | BT (7, CR_EQ) | BA (6, CR_EQ) | BB (7, CR_EQ));
+#endif
+
+ label1_ptr = s->code_ptr;
+#ifdef FAST_PATH
+ tcg_out32 (s, BC | BI (7, CR_EQ) | BO_COND_TRUE);
+#endif
+
+ /* slow path */
+#if TARGET_LONG_BITS == 32
+ tcg_out_mov (s, 3, addr_reg);
+ tcg_out_movi (s, TCG_TYPE_I32, 4, mem_index);
+#else
+ tcg_out_mov (s, 3, addr_reg2);
+ tcg_out_mov (s, 4, addr_reg);
+ tcg_out_movi (s, TCG_TYPE_I32, 5, mem_index);
+#endif
+
+ tcg_out32 (s, B | reloc_pc24_val (s->code_ptr,
+ (tcg_target_long)
qemu_ld_helpers[s_bits]) | LK);
+ switch (opc) {
+ case 0|4:
+ tcg_out32 (s, EXTSB | RA (data_reg) | RS (3));
+ break;
+ case 1|4:
+ tcg_out32 (s, EXTSH | RA (data_reg) | RS (3));
+ break;
+ case 0:
+ case 1:
+ case 2:
+ if (data_reg != 3)
+ tcg_out_mov (s, data_reg, 3);
+ break;
+ case 3:
+ if (data_reg == 3) {
+ if (data_reg2 == 4) {
+ tcg_out_mov (s, 0, 4);
+ tcg_out_mov (s, 4, 3);
+ tcg_out_mov (s, 3, 0);
+ }
+ else {
+ tcg_out_mov (s, data_reg2, 3);
+ tcg_out_mov (s, 3, 4);
+ }
+ }
+ else {
+ if (data_reg != 4) tcg_out_mov (s, data_reg, 4);
+ if (data_reg2 != 3) tcg_out_mov (s, data_reg2, 3);
+ }
+ break;
+ }
+ label2_ptr = s->code_ptr;
+ tcg_out32 (s, B);
+
+ /* label1: fast path */
+#ifdef FAST_PATH
+ reloc_pc14 (label1_ptr, (tcg_target_long) s->code_ptr);
+#endif
+
+ /* r0 now contains &env->tlb_table[mem_index][index].addr_read */
+ tcg_out32 (s, (LWZ
+ | RT (r0)
+ | RA (r0)
+ | (ADDEND_OFFSET + offsetof (CPUTLBEntry, addend)
+ - offsetof (CPUTLBEntry, addr_read))
+ ));
+ /* r0 = env->tlb_table[mem_index][index].addend */
+ tcg_out32 (s, ADD | RT (r0) | RA (r0) | RB (addr_reg));
+ /* r0 = env->tlb_table[mem_index][index].addend + addr */
+
+#else /* !CONFIG_SOFTMMU */
+ r0 = addr_reg;
+#endif
+
+#ifdef TARGET_WORDS_BIGENDIAN
+ bswap = 0;
+#else
+ bswap = 1;
+#endif
+ switch (opc) {
+ default:
+ case 0:
+ tcg_out32 (s, LBZ | RT (data_reg) | RA (r0));
+ break;
+ case 0|4:
+ tcg_out32 (s, LBZ | RT (data_reg) | RA (r0));
+ tcg_out32 (s, EXTSB | RA (data_reg) | RS (data_reg));
+ break;
+ case 1:
+ if (bswap) tcg_out32 (s, LHBRX | RT (data_reg) | RB (r0));
+ else tcg_out32 (s, LHZ | RT (data_reg) | RA (r0));
+ break;
+ case 1|4:
+ if (bswap) {
+ tcg_out32 (s, LHBRX | RT (data_reg) | RB (r0));
+ tcg_out32 (s, EXTSH | RA (data_reg) | RS (data_reg));
+ }
+ else tcg_out32 (s, LHA | RT (data_reg) | RA (r0));
+ break;
+ case 2:
+ if (bswap) tcg_out32 (s, LWBRX | RT (data_reg) | RB (r0));
+ else tcg_out32 (s, LWZ | RT (data_reg)| RA (r0));
+ break;
+ case 3:
+ if (bswap) {
+ if (r0 == data_reg) {
+ tcg_out32 (s, LWBRX | RT (0) | RB (r0));
+ tcg_out32 (s, ADDI | RT (r0) | RA (r0) | 4);
+ tcg_out32 (s, LWBRX | RT (data_reg2) | RB (r0));
+ tcg_out_mov (s, data_reg, 0);
+ }
+ else {
+ tcg_out32 (s, LWBRX | RT (data_reg) | RB (r0));
+ tcg_out32 (s, ADDI | RT (r0) | RA (r0) | 4);
+ tcg_out32 (s, LWBRX | RT (data_reg2) | RB (r0));
+ }
+ }
+ else {
+ if (r0 == data_reg2) {
+ tcg_out32 (s, LWZ | RT (0) | RA (r0));
+ tcg_out32 (s, LWZ | RT (data_reg) | RA (r0) | 4);
+ tcg_out_mov (s, data_reg2, 0);
+ }
+ else {
+ tcg_out32 (s, LWZ | RT (data_reg2) | RA (r0));
+ tcg_out32 (s, LWZ | RT (data_reg) | RA (r0) | 4);
+ }
+ }
+ break;
+ }
+
+#ifdef CONFIG_SOFTMMU
+ reloc_pc24 (label2_ptr, (tcg_target_long) s->code_ptr);
+#endif
+}
+
+static void tcg_out_qemu_st (TCGContext *s, const TCGArg *args, int opc)
+{
+ int addr_reg, r0, r1, data_reg, data_reg2, mem_index, bswap;
+#ifdef CONFIG_SOFTMMU
+ int r2, ir;
+ void *label1_ptr, *label2_ptr;
+#endif
+#if TARGET_LONG_BITS == 64
+ int addr_reg2;
+#endif
+
+ data_reg = *args++;
+ if (opc == 3)
+ data_reg2 = *args++;
+ else
+ data_reg2 = 0;
+ addr_reg = *args++;
+#if TARGET_LONG_BITS == 64
+ addr_reg2 = *args++;
+#endif
+ mem_index = *args;
+
+#ifdef CONFIG_SOFTMMU
+ r0 = 3;
+ r1 = 4;
+ r2 = 0;
+
+ tcg_out32 (s, (RLWINM
+ | RA (r0)
+ | RS (addr_reg)
+ | SH (32 - (TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS))
+ | MB (32 - (CPU_TLB_ENTRY_BITS + CPU_TLB_BITS))
+ | ME (31 - CPU_TLB_ENTRY_BITS)
+ )
+ );
+ tcg_out32 (s, ADD | RT (r0) | RA (r0) | RB (TCG_AREG0));
+ tcg_out32 (s, (LWZU
+ | RT (r1)
+ | RA (r0)
+ | offsetof (CPUState, tlb_table[mem_index][0].addr_write)
+ )
+ );
+ tcg_out32 (s, (RLWINM
+ | RA (r2)
+ | RS (addr_reg)
+ | SH (0)
+ | MB ((32 - opc) & 31)
+ | ME (31 - TARGET_PAGE_BITS)
+ )
+ );
+
+ tcg_out32 (s, CMP | (7 << 23) | RA (r2) | RB (r1));
+#if TARGET_LONG_BITS == 64
+ tcg_out32 (s, LWZ | RT (r1) | RA (r0) | 4);
+ tcg_out32 (s, CMP | BF (6) | RA (addr_reg2) | RB (r1));
+ tcg_out32 (s, CRAND | BT (7, CR_EQ) | BA (6, CR_EQ) | BB (7, CR_EQ));
+#endif
+
+ label1_ptr = s->code_ptr;
+#ifdef FAST_PATH
+ tcg_out32 (s, BC | BI (7, CR_EQ) | BO_COND_TRUE);
+#endif
+
+ /* slow path */
+#if TARGET_LONG_BITS == 32
+ tcg_out_mov (s, 3, addr_reg);
+ ir = 4;
+#else
+ tcg_out_mov (s, 3, addr_reg2);
+ tcg_out_mov (s, 4, addr_reg);
+ ir = 5;
+#endif
+
+ switch (opc) {
+ case 0:
+ tcg_out32 (s, (RLWINM
+ | RA (ir)
+ | RS (data_reg)
+ | SH (0)
+ | MB (24)
+ | ME (31)));
+ break;
+ case 1:
+ tcg_out32 (s, (RLWINM
+ | RA (ir)
+ | RS (data_reg)
+ | SH (0)
+ | MB (16)
+ | ME (31)));
+ break;
+ case 2:
+ tcg_out_mov (s, ir, data_reg);
+ break;
+ case 3:
+ tcg_out_mov (s, 5, data_reg2);
+ tcg_out_mov (s, 6, data_reg);
+ ir = 6;
+ break;
+ }
+ ir++;
+
+ tcg_out_movi (s, TCG_TYPE_I32, ir, mem_index);
+ tcg_out32 (s, B | reloc_pc24_val (s->code_ptr,
+ (tcg_target_long) qemu_st_helpers[opc])
| LK);
+ label2_ptr = s->code_ptr;
+ tcg_out32 (s, B);
+
+ /* label1: fast path */
+#ifdef FAST_PATH
+ reloc_pc14 (label1_ptr, (tcg_target_long) s->code_ptr);
+#endif
+
+ tcg_out32 (s, (LWZ
+ | RT (r0)
+ | RA (r0)
+ | (ADDEND_OFFSET + offsetof (CPUTLBEntry, addend)
+ - offsetof (CPUTLBEntry, addr_write))
+ ));
+ /* r0 = env->tlb_table[mem_index][index].addend */
+ tcg_out32 (s, ADD | RT (r0) | RA (r0) | RB (addr_reg));
+ /* r0 = env->tlb_table[mem_index][index].addend + addr */
+
+#else /* !CONFIG_SOFTMMU */
+ r1 = 4;
+ r0 = addr_reg;
+#endif
+
+#ifdef TARGET_WORDS_BIGENDIAN
+ bswap = 0;
+#else
+ bswap = 1;
+#endif
+ switch (opc) {
+ case 0:
+ tcg_out32 (s, STB | RS (data_reg) | RA (r0));
+ break;
+ case 1:
+ if (bswap) tcg_out32 (s, STHBRX | RS (data_reg) | RA (0) | RB (r0));
+ else tcg_out32 (s, STH | RS (data_reg) | RA (r0));
+ break;
+ case 2:
+ if (bswap) tcg_out32 (s, STWBRX | RS (data_reg) | RA (0) | RB (r0));
+ else tcg_out32 (s, STW | RS (data_reg) | RA (r0));
+ break;
+ case 3:
+ if (bswap) {
+ tcg_out32 (s, ADDI | RT (r1) | RA (r0) | 4);
+ tcg_out32 (s, STWBRX | RS (data_reg) | RA (0) | RB (r0));
+ tcg_out32 (s, STWBRX | RS (data_reg2) | RA (0) | RB (r1));
+ }
+ else {
+ tcg_out32 (s, STW | RS (data_reg2) | RA (r0));
+ tcg_out32 (s, STW | RS (data_reg) | RA (r0) | 4);
+ }
+ break;
+ }
+
+#ifdef CONFIG_SOFTMMU
+ reloc_pc24 (label2_ptr, (tcg_target_long) s->code_ptr);
+#endif
+}
+
+void tcg_target_qemu_prologue (TCGContext *s)
+{
+ int i, frame_size;
+
+ frame_size = 0
+ + 4 /* back chain */
+ + 4 /* LR */
+ + TCG_STATIC_CALL_ARGS_SIZE
+ + ARRAY_SIZE (tcg_target_callee_save_regs) * 4
+ ;
+ frame_size = (frame_size + 15) & ~15;
+
+ tcg_out32 (s, MFSPR | RT (0) | LR);
+ tcg_out32 (s, STWU | RS (1) | RA (1) | (-frame_size & 0xffff));
+ for (i = 0; i < ARRAY_SIZE (tcg_target_callee_save_regs); ++i)
+ tcg_out32 (s, (STW
+ | RS (tcg_target_callee_save_regs[i])
+ | RA (1)
+ | (i * 4 + 8 + TCG_STATIC_CALL_ARGS_SIZE)
+ )
+ );
+ tcg_out32 (s, STW | RS (0) | RA (1) | (frame_size - 4));
+
+ tcg_out32 (s, MTSPR | RS (3) | CTR);
+ tcg_out32 (s, BCCTR | BO_ALWAYS);
+ tb_ret_addr = s->code_ptr;
+
+ for (i = 0; i < ARRAY_SIZE (tcg_target_callee_save_regs); ++i)
+ tcg_out32 (s, (LWZ
+ | RT (tcg_target_callee_save_regs[i])
+ | RA (1)
+ | (i * 4 + 8 + TCG_STATIC_CALL_ARGS_SIZE)
+ )
+ );
+ tcg_out32 (s, LWZ | RT (0) | RA (1) | (frame_size - 4));
+ tcg_out32 (s, MTSPR | RS (0) | LR);
+ tcg_out32 (s, ADDI | RT (1) | RA (1) | frame_size);
+ tcg_out32 (s, BCLR | BO_ALWAYS);
+}
+
+static void tcg_out_ld (TCGContext *s, TCGType type, int ret, int arg1,
+ tcg_target_long arg2)
+{
+ tcg_out_ldst (s, ret, arg1, arg2, LWZ, LWZX);
+}
+
+static void tcg_out_st (TCGContext *s, TCGType type, int arg, int arg1,
+ tcg_target_long arg2)
+{
+ tcg_out_ldst (s, arg, arg1, arg2, STW, STWX);
+}
+
+static void ppc_addi (TCGContext *s, int rt, int ra, tcg_target_long si)
+{
+ if (!si && rt == ra)
+ return;
+
+ if (si == (int16_t) si)
+ tcg_out32 (s, ADDI | RT (rt) | RA (ra) | (si & 0xffff));
+ else {
+ uint16_t h = ((si >> 16) & 0xffff) + ((uint16_t) si >> 15);
+ tcg_out32 (s, ADDIS | RT (rt) | RA (ra) | h);
+ tcg_out32 (s, ADDI | RT (rt) | RA (rt) | (si & 0xffff));
+ }
+}
+
+static void tcg_out_addi(TCGContext *s, int reg, tcg_target_long val)
+{
+ ppc_addi (s, reg, reg, val);
+}
+
+static void tcg_out_brcond(TCGContext *s, int cond,
+ TCGArg arg1, TCGArg arg2, int const_arg2,
+ int label_index)
+{
+ TCGLabel *l = &s->labels[label_index];
+ int imm;
+ uint32_t op;
+
+ imm = const_arg2 ? ((int16_t) arg2 == arg2) : 0;
+ switch (cond) {
+ case TCG_COND_EQ: op = imm ? CMPLI : CMPL; break;
+ case TCG_COND_NE: op = imm ? CMPLI : CMPL; break;
+ case TCG_COND_LT: op = imm ? CMPI : CMP; break;
+ case TCG_COND_GE: op = imm ? CMPI : CMP; break;
+ case TCG_COND_LE: op = imm ? CMPI : CMP; break;
+ case TCG_COND_GT: op = imm ? CMPI : CMP; break;
+ case TCG_COND_LTU: op = imm ? CMPLI : CMPL; break;
+ case TCG_COND_GEU: op = imm ? CMPLI : CMPL; break;
+ case TCG_COND_LEU: op = imm ? CMPLI : CMPL; break;
+ case TCG_COND_GTU: op = imm ? CMPLI : CMPL; break;
+ default:
+ tcg_abort ();
+ }
+ op |= BF (7);
+
+ if (imm)
+ tcg_out32 (s, op | RA (arg1) | (arg2 & 0xffff));
+ else {
+ if (const_arg2) {
+ tcg_out_movi (s, TCG_TYPE_I32, 0, arg2);
+ tcg_out32 (s, op | RA (arg1) | RB (0));
+ }
+ else
+ tcg_out32 (s, op | RA (arg1) | RB (arg2));
+ }
+
+ if (l->has_value) {
+ tcg_out32 (s, tcg_to_bc[cond] | reloc_pc14_val (s->code_ptr,
+ l->u.value));
+ }
+ else {
+ tcg_out32 (s, tcg_to_bc[cond]);
+ tcg_out_reloc (s, s->code_ptr - 4, R_PPC_REL14, label_index, 0);
+ }
+}
+
+/* brcond2 is taken verbatim from i386 tcg-target */
+/* XXX: we implement it at the target level to avoid having to
+ handle cross basic blocks temporaries */
+static void tcg_out_brcond2(TCGContext *s,
+ const TCGArg *args, const int *const_args)
+{
+ int label_next;
+ label_next = gen_new_label();
+ switch(args[4]) {
+ case TCG_COND_EQ:
+ tcg_out_brcond(s, TCG_COND_NE, args[0], args[2], const_args[2],
label_next);
+ tcg_out_brcond(s, TCG_COND_EQ, args[1], args[3], const_args[3],
args[5]);
+ break;
+ case TCG_COND_NE:
+ tcg_out_brcond(s, TCG_COND_NE, args[0], args[2], const_args[2],
args[5]);
+ tcg_out_brcond(s, TCG_COND_NE, args[1], args[3], const_args[3],
args[5]);
+ break;
+ case TCG_COND_LT:
+ tcg_out_brcond(s, TCG_COND_LT, args[1], args[3], const_args[3],
args[5]);
+ tcg_out_brcond(s, TCG_COND_NE, args[1], args[3], const_args[3],
label_next);
+ tcg_out_brcond(s, TCG_COND_LT, args[0], args[2], const_args[2],
args[5]);
+ break;
+ case TCG_COND_LE:
+ tcg_out_brcond(s, TCG_COND_LT, args[1], args[3], const_args[3],
args[5]);
+ tcg_out_brcond(s, TCG_COND_NE, args[1], args[3], const_args[3],
label_next);
+ tcg_out_brcond(s, TCG_COND_LE, args[0], args[2], const_args[2],
args[5]);
+ break;
+ case TCG_COND_GT:
+ tcg_out_brcond(s, TCG_COND_GT, args[1], args[3], const_args[3],
args[5]);
+ tcg_out_brcond(s, TCG_COND_NE, args[1], args[3], const_args[3],
label_next);
+ tcg_out_brcond(s, TCG_COND_GT, args[0], args[2], const_args[2],
args[5]);
+ break;
+ case TCG_COND_GE:
+ tcg_out_brcond(s, TCG_COND_GT, args[1], args[3], const_args[3],
args[5]);
+ tcg_out_brcond(s, TCG_COND_NE, args[1], args[3], const_args[3],
label_next);
+ tcg_out_brcond(s, TCG_COND_GE, args[0], args[2], const_args[2],
args[5]);
+ break;
+ case TCG_COND_LTU:
+ tcg_out_brcond(s, TCG_COND_LTU, args[1], args[3], const_args[3],
args[5]);
+ tcg_out_brcond(s, TCG_COND_NE, args[1], args[3], const_args[3],
label_next);
+ tcg_out_brcond(s, TCG_COND_LTU, args[0], args[2], const_args[2],
args[5]);
+ break;
+ case TCG_COND_LEU:
+ tcg_out_brcond(s, TCG_COND_LTU, args[1], args[3], const_args[3],
args[5]);
+ tcg_out_brcond(s, TCG_COND_NE, args[1], args[3], const_args[3],
label_next);
+ tcg_out_brcond(s, TCG_COND_LEU, args[0], args[2], const_args[2],
args[5]);
+ break;
+ case TCG_COND_GTU:
+ tcg_out_brcond(s, TCG_COND_GTU, args[1], args[3], const_args[3],
args[5]);
+ tcg_out_brcond(s, TCG_COND_NE, args[1], args[3], const_args[3],
label_next);
+ tcg_out_brcond(s, TCG_COND_GTU, args[0], args[2], const_args[2],
args[5]);
+ break;
+ case TCG_COND_GEU:
+ tcg_out_brcond(s, TCG_COND_GTU, args[1], args[3], const_args[3],
args[5]);
+ tcg_out_brcond(s, TCG_COND_NE, args[1], args[3], const_args[3],
label_next);
+ tcg_out_brcond(s, TCG_COND_GEU, args[0], args[2], const_args[2],
args[5]);
+ break;
+ default:
+ tcg_abort();
+ }
+ tcg_out_label(s, label_next, (tcg_target_long)s->code_ptr);
+}
+
+static void tcg_out_op(TCGContext *s, int opc, const TCGArg *args,
+ const int *const_args)
+{
+ switch (opc) {
+ case INDEX_op_exit_tb:
+ tcg_out_movi (s, TCG_TYPE_I32, TCG_REG_R3, args[0]);
+ tcg_out32 (s, B | reloc_pc24_val (s->code_ptr, (tcg_target_long)
tb_ret_addr));
+ break;
+ case INDEX_op_goto_tb:
+ if (s->tb_jmp_offset) {
+ /* direct jump method */
+ s->tb_jmp_offset[args[0]] = s->code_ptr - s->code_buf;
+ tcg_out32 (s, B | 4);
+ } else {
+ tcg_abort ();
+ }
+ s->tb_next_offset[args[0]] = s->code_ptr - s->code_buf;
+ break;
+ case INDEX_op_br:
+ {
+ TCGLabel *l = &s->labels[args[0]];
+
+ if (l->has_value) {
+ tcg_out32 (s, B | reloc_pc24_val (s->code_ptr, l->u.value));
+ }
+ else {
+ tcg_out32 (s, B);
+ tcg_out_reloc (s, s->code_ptr - 4, R_PPC_REL24, args[0], 0);
+ }
+ }
+ break;
+ case INDEX_op_call:
+ if (const_args[0]) {
+ tcg_out32 (s, B | reloc_pc24_val (s->code_ptr, args[0]) | LK);
+ }
+ else {
+ tcg_out32 (s, MTSPR | RS (args[0]) | LR);
+ tcg_out32 (s, BCLR | BO_ALWAYS | LK);
+ }
+ break;
+ case INDEX_op_jmp:
+ if (const_args[0]) {
+ tcg_out32 (s, B | reloc_pc24_val (s->code_ptr, args[0]));
+ }
+ else {
+ tcg_out32 (s, MTSPR | RS (args[0]) | CTR);
+ tcg_out32 (s, BCCTR | BO_ALWAYS);
+ }
+ break;
+ case INDEX_op_movi_i32:
+ tcg_out_movi(s, TCG_TYPE_I32, args[0], args[1]);
+ break;
+ case INDEX_op_ld8u_i32:
+ tcg_out_ldst (s, args[0], args[1], args[2], LBZ, LBZX);
+ break;
+ case INDEX_op_ld8s_i32:
+ tcg_out_ldst (s, args[0], args[1], args[2], LBZ, LBZX);
+ tcg_out32 (s, EXTSB | RS (args[0]) | RA (args[0]));
+ break;
+ case INDEX_op_ld16u_i32:
+ tcg_out_ldst (s, args[0], args[1], args[2], LHZ, LHZX);
+ break;
+ case INDEX_op_ld16s_i32:
+ tcg_out_ldst (s, args[0], args[1], args[2], LHA, LHAX);
+ break;
+ case INDEX_op_ld_i32:
+ tcg_out_ldst (s, args[0], args[1], args[2], LWZ, LWZX);
+ break;
+ case INDEX_op_st8_i32:
+ tcg_out_ldst (s, args[0], args[1], args[2], STB, STBX);
+ break;
+ case INDEX_op_st16_i32:
+ tcg_out_ldst (s, args[0], args[1], args[2], STH, STHX);
+ break;
+ case INDEX_op_st_i32:
+ tcg_out_ldst (s, args[0], args[1], args[2], STW, STWX);
+ break;
+
+ case INDEX_op_add_i32:
+ if (const_args[2])
+ ppc_addi (s, args[0], args[1], args[2]);
+ else
+ tcg_out32 (s, ADD | TAB (args[0], args[1], args[2]));
+ break;
+ case INDEX_op_sub_i32:
+ if (const_args[2])
+ ppc_addi (s, args[0], args[1], -args[2]);
+ else
+ tcg_out32 (s, SUBF | TAB (args[0], args[2], args[1]));
+ break;
+
+ case INDEX_op_and_i32:
+ if (const_args[2]) {
+ if (!args[2])
+ tcg_out_movi (s, TCG_TYPE_I32, args[0], 0);
+ else {
+ if ((args[2] & 0xffff) == args[2])
+ tcg_out32 (s, ANDI | RS (args[1]) | RA (args[0]) |
args[2]);
+ else if ((args[2] & 0xffff0000) == args[2])
+ tcg_out32 (s, ANDIS | RS (args[1]) | RA (args[0])
+ | ((args[2] >> 16) & 0xffff));
+ else if (args[2] == 0xffffffff) {
+ if (args[0] != args[1])
+ tcg_out_mov (s, args[0], args[1]);
+ }
+ else {
+ tcg_out_movi (s, TCG_TYPE_I32, 0, args[2]);
+ tcg_out32 (s, AND | SAB (args[1], args[0], 0));
+ }
+ }
+ }
+ else
+ tcg_out32 (s, AND | SAB (args[1], args[0], args[2]));
+ break;
+ case INDEX_op_or_i32:
+ if (const_args[2]) {
+ if (args[2]) {
+ if (args[2] & 0xffff) {
+ tcg_out32 (s, ORI | RS (args[1]) | RA (args[0]) |
(args[2] & 0xffff));
+ if (args[2] >> 16)
+ tcg_out32 (s, ORIS | RS (args[0]) | RA (args[0])
+ | ((args[2] >> 16) & 0xffff));
+ }
+ else {
+ tcg_out32 (s, ORIS | RS (args[1]) | RA (args[0])
+ | ((args[2] >> 16) & 0xffff));
+ }
+ }
+ else {
+ if (args[0] != args[1])
+ tcg_out_mov (s, args[0], args[1]);
+ }
+ }
+ else
+ tcg_out32 (s, OR | SAB (args[1], args[0], args[2]));
+ break;
+ case INDEX_op_xor_i32:
+ if (const_args[2]) {
+ if (args[2]) {
+ if ((args[2] & 0xffff) == args[2])
+ tcg_out32 (s, XORI | RS (args[1]) | RA (args[0])
+ | (args[2] & 0xffff));
+ else if ((args[2] & 0xffff0000) == args[2])
+ tcg_out32 (s, XORIS | RS (args[1]) | RA (args[0])
+ | ((args[2] >> 16) & 0xffff));
+ else {
+ tcg_out_movi (s, TCG_TYPE_I32, 0, args[2]);
+ tcg_out32 (s, XOR | SAB (args[1], args[0], 0));
+ }
+ }
+ else {
+ if (args[0] != args[1])
+ tcg_out_mov (s, args[0], args[1]);
+ }
+ }
+ else
+ tcg_out32 (s, XOR | SAB (args[1], args[0], args[2]));
+ break;
+
+ case INDEX_op_mul_i32:
+ if (const_args[2]) {
+ if (args[2] == (int16_t) args[2])
+ tcg_out32 (s, MULLI | RT (args[0]) | RA (args[1])
+ | (args[2] & 0xffff));
+ else {
+ tcg_out_movi (s, TCG_TYPE_I32, 0, args[2]);
+ tcg_out32 (s, MULLW | TAB (args[0], args[1], 0));
+ }
+ }
+ else
+ tcg_out32 (s, MULLW | TAB (args[0], args[1], args[2]));
+ break;
+ case INDEX_op_mulu2_i32:
+ if (args[0] == args[2] || args[0] == args[3]) {
+ tcg_out32 (s, MULLW | TAB (0, args[2], args[3]));
+ tcg_out32 (s, MULHWU | TAB (args[1], args[2], args[3]));
+ tcg_out_mov (s, args[0], 0);
+ }
+ else {
+ tcg_out32 (s, MULLW | TAB (args[0], args[2], args[3]));
+ tcg_out32 (s, MULHWU | TAB (args[1], args[2], args[3]));
+ }
+ break;
+ case INDEX_op_div2_i32:
+ if (args[0] == args[2] || args[0] == args[3]) {
+ tcg_out32 (s, DIVW | TAB (0, args[2], args[3]));
+ tcg_out32 (s, MULLW | TAB (0, 0, args[3]));
+ tcg_out32 (s, SUBF | TAB (0, 0, args[2]));
+ tcg_out32 (s, DIVW | TAB (args[0], args[2], args[3]));
+ tcg_out_mov (s, args[1], 0);
+ }
+ else {
+ tcg_out32 (s, DIVW | TAB (args[0], args[2], args[3]));
+ tcg_out32 (s, MULLW | TAB (0, args[0], args[3]));
+ tcg_out32 (s, SUBF | TAB (args[1], 0, args[2]));
+ }
+ break;
+ case INDEX_op_divu2_i32:
+ if (args[0] == args[2] || args[0] == args[3]) {
+ tcg_out32 (s, DIVWU | TAB (0, args[2], args[3]));
+ tcg_out32 (s, MULLW | TAB (0, 0, args[3]));
+ tcg_out32 (s, SUBF | TAB (0, 0, args[2]));
+ tcg_out32 (s, DIVWU | TAB (args[0], args[2], args[3]));
+ tcg_out_mov (s, args[1], 0);
+ }
+ else {
+ tcg_out32 (s, DIVWU | TAB (args[0], args[2], args[3]));
+ tcg_out32 (s, MULLW | TAB (0, args[0], args[3]));
+ tcg_out32 (s, SUBF | TAB (args[1], 0, args[2]));
+ }
+ break;
+
+ case INDEX_op_shl_i32:
+ if (const_args[2]) {
+ if (args[2])
+ tcg_out32 (s, (RLWINM
+ | RA (args[0])
+ | RS (args[1])
+ | SH (args[2])
+ | MB (0)
+ | ME (31 - args[2])
+ )
+ );
+ else
+ tcg_out_mov (s, args[0], args[1]);
+ }
+ else
+ tcg_out32 (s, SLW | SAB (args[1], args[0], args[2]));
+ break;
+ case INDEX_op_shr_i32:
+ if (const_args[2]) {
+ if (args[2])
+ tcg_out32 (s, (RLWINM
+ | RA (args[0])
+ | RS (args[1])
+ | SH (32 - args[2])
+ | MB (args[2])
+ | ME (31)
+ )
+ );
+ else
+ tcg_out_mov (s, args[0], args[1]);
+ }
+ else
+ tcg_out32 (s, SRW | SAB (args[1], args[0], args[2]));
+ break;
+ case INDEX_op_sar_i32:
+ if (const_args[2])
+ tcg_out32 (s, SRAWI | RS (args[1]) | RA (args[0]) | SH (args[2]));
+ else
+ tcg_out32 (s, SRAW | SAB (args[1], args[0], args[2]));
+ break;
+
+ case INDEX_op_add2_i32:
+ if (args[0] == args[3] || args[0] == args[5]) {
+ tcg_out32 (s, ADDC | TAB (0, args[2], args[4]));
+ tcg_out32 (s, ADDE | TAB (args[1], args[3], args[5]));
+ tcg_out_mov (s, args[0], 0);
+ }
+ else {
+ tcg_out32 (s, ADDC | TAB (args[0], args[2], args[4]));
+ tcg_out32 (s, ADDE | TAB (args[1], args[3], args[5]));
+ }
+ break;
+ case INDEX_op_sub2_i32:
+ if (args[0] == args[3] || args[0] == args[5]) {
+ tcg_out32 (s, SUBFC | TAB (0, args[4], args[2]));
+ tcg_out32 (s, SUBFE | TAB (args[1], args[5], args[3]));
+ tcg_out_mov (s, args[0], 0);
+ }
+ else {
+ tcg_out32 (s, SUBFC | TAB (args[0], args[4], args[2]));
+ tcg_out32 (s, SUBFE | TAB (args[1], args[5], args[3]));
+ }
+ break;
+
+ case INDEX_op_brcond_i32:
+ /*
+ args[0] = r0
+ args[1] = r1
+ args[2] = cond
+ args[3] = r1 is const
+ args[4] = label_index
+ */
+ tcg_out_brcond (s, args[2], args[0], args[1], const_args[1], args[3]);
+ break;
+ case INDEX_op_brcond2_i32:
+ tcg_out_brcond2(s, args, const_args);
+ break;
+
+ case INDEX_op_neg_i32:
+ tcg_out32 (s, NEG | RT (args[0]) | RA (args[1]));
+ break;
+
+ case INDEX_op_qemu_ld8u:
+ tcg_out_qemu_ld(s, args, 0);
+ break;
+ case INDEX_op_qemu_ld8s:
+ tcg_out_qemu_ld(s, args, 0 | 4);
+ break;
+ case INDEX_op_qemu_ld16u:
+ tcg_out_qemu_ld(s, args, 1);
+ break;
+ case INDEX_op_qemu_ld16s:
+ tcg_out_qemu_ld(s, args, 1 | 4);
+ break;
+ case INDEX_op_qemu_ld32u:
+ tcg_out_qemu_ld(s, args, 2);
+ break;
+ case INDEX_op_qemu_ld64:
+ tcg_out_qemu_ld(s, args, 3);
+ break;
+ case INDEX_op_qemu_st8:
+ tcg_out_qemu_st(s, args, 0);
+ break;
+ case INDEX_op_qemu_st16:
+ tcg_out_qemu_st(s, args, 1);
+ break;
+ case INDEX_op_qemu_st32:
+ tcg_out_qemu_st(s, args, 2);
+ break;
+ case INDEX_op_qemu_st64:
+ tcg_out_qemu_st(s, args, 3);
+ break;
+
+ default:
+ tcg_dump_ops (s, stderr);
+ tcg_abort ();
+ }
+}
+
+static const TCGTargetOpDef ppc_op_defs[] = {
+ { INDEX_op_exit_tb, { } },
+ { INDEX_op_goto_tb, { } },
+ { INDEX_op_call, { "rJ" } },
+ { INDEX_op_jmp, { "rJ" } },
+ { INDEX_op_br, { } },
+
+ { INDEX_op_mov_i32, { "r", "r" } },
+ { INDEX_op_movi_i32, { "r" } },
+ { INDEX_op_ld8u_i32, { "r", "r" } },
+ { INDEX_op_ld8s_i32, { "r", "r" } },
+ { INDEX_op_ld16u_i32, { "r", "r" } },
+ { INDEX_op_ld16s_i32, { "r", "r" } },
+ { INDEX_op_ld_i32, { "r", "r" } },
+ { INDEX_op_st8_i32, { "r", "r" } },
+ { INDEX_op_st16_i32, { "r", "r" } },
+ { INDEX_op_st_i32, { "r", "r" } },
+
+ { INDEX_op_add_i32, { "r", "r", "ri" } },
+ { INDEX_op_mul_i32, { "r", "r", "ri" } },
+ { INDEX_op_mulu2_i32, { "r", "r", "r", "r" } },
+ { INDEX_op_div2_i32, { "r", "r", "r", "r", "r" } },
+ { INDEX_op_divu2_i32, { "r", "r", "r", "r", "r" } },
+ { INDEX_op_sub_i32, { "r", "r", "ri" } },
+ { INDEX_op_and_i32, { "r", "r", "ri" } },
+ { INDEX_op_or_i32, { "r", "r", "ri" } },
+ { INDEX_op_xor_i32, { "r", "r", "ri" } },
+
+ { INDEX_op_shl_i32, { "r", "r", "ri" } },
+ { INDEX_op_shr_i32, { "r", "r", "ri" } },
+ { INDEX_op_sar_i32, { "r", "r", "ri" } },
+
+ { INDEX_op_brcond_i32, { "r", "ri" } },
+
+ { INDEX_op_add2_i32, { "r", "r", "r", "r", "r", "r" } },
+ { INDEX_op_sub2_i32, { "r", "r", "r", "r", "r", "r" } },
+ { INDEX_op_brcond2_i32, { "r", "r", "r", "r" } },
+
+ { INDEX_op_neg_i32, { "r", "r" } },
+
+#if TARGET_LONG_BITS == 32
+ { INDEX_op_qemu_ld8u, { "r", "L" } },
+ { INDEX_op_qemu_ld8s, { "r", "L" } },
+ { INDEX_op_qemu_ld16u, { "r", "L" } },
+ { INDEX_op_qemu_ld16s, { "r", "L" } },
+ { INDEX_op_qemu_ld32u, { "r", "L" } },
+ { INDEX_op_qemu_ld32s, { "r", "L" } },
+ { INDEX_op_qemu_ld64, { "r", "r", "L" } },
+
+ { INDEX_op_qemu_st8, { "K", "K" } },
+ { INDEX_op_qemu_st16, { "K", "K" } },
+ { INDEX_op_qemu_st32, { "K", "K" } },
+ { INDEX_op_qemu_st64, { "M", "M", "M" } },
+#else
+ { INDEX_op_qemu_ld8u, { "r", "L", "L" } },
+ { INDEX_op_qemu_ld8s, { "r", "L", "L" } },
+ { INDEX_op_qemu_ld16u, { "r", "L", "L" } },
+ { INDEX_op_qemu_ld16s, { "r", "L", "L" } },
+ { INDEX_op_qemu_ld32u, { "r", "L", "L" } },
+ { INDEX_op_qemu_ld32s, { "r", "L", "L" } },
+ { INDEX_op_qemu_ld64, { "r", "L", "L", "L" } },
+
+ { INDEX_op_qemu_st8, { "K", "K", "K" } },
+ { INDEX_op_qemu_st16, { "K", "K", "K" } },
+ { INDEX_op_qemu_st32, { "K", "K", "K" } },
+ { INDEX_op_qemu_st64, { "M", "M", "M", "M" } },
+#endif
+
+ { -1 },
+};
+
+void tcg_target_init(TCGContext *s)
+{
+ tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I32], 0, 0xffffffff);
+ tcg_regset_set32(tcg_target_call_clobber_regs, 0,
+ (1 << TCG_REG_R0) |
+ (1 << TCG_REG_R3) |
+ (1 << TCG_REG_R4) |
+ (1 << TCG_REG_R5) |
+ (1 << TCG_REG_R6) |
+ (1 << TCG_REG_R7) |
+ (1 << TCG_REG_R8) |
+ (1 << TCG_REG_R9) |
+ (1 << TCG_REG_R10) |
+ (1 << TCG_REG_R11) |
+ (1 << TCG_REG_R12)
+ );
+
+ tcg_regset_clear(s->reserved_regs);
+ tcg_regset_set_reg(s->reserved_regs, TCG_REG_R0);
+ tcg_regset_set_reg(s->reserved_regs, TCG_REG_R1);
+ tcg_regset_set_reg(s->reserved_regs, TCG_REG_R2);
+
+ tcg_add_target_add_op_defs(ppc_op_defs);
+}
Added: trunk/tcg/ppc/tcg-target.h
===================================================================
--- trunk/tcg/ppc/tcg-target.h (rev 0)
+++ trunk/tcg/ppc/tcg-target.h 2008-05-25 18:59:57 UTC (rev 4584)
@@ -0,0 +1,98 @@
+/*
+ * Tiny Code Generator for QEMU
+ *
+ * Copyright (c) 2008 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#define TCG_TARGET_PPC 1
+
+#define TCG_TARGET_REG_BITS 32
+#define TCG_TARGET_WORDS_BIGENDIAN
+#define TCG_TARGET_NB_REGS 32
+
+enum {
+ TCG_REG_R0 = 0,
+ TCG_REG_R1,
+ TCG_REG_R2,
+ TCG_REG_R3,
+ TCG_REG_R4,
+ TCG_REG_R5,
+ TCG_REG_R6,
+ TCG_REG_R7,
+ TCG_REG_R8,
+ TCG_REG_R9,
+ TCG_REG_R10,
+ TCG_REG_R11,
+ TCG_REG_R12,
+ TCG_REG_R13,
+ TCG_REG_R14,
+ TCG_REG_R15,
+ TCG_REG_R16,
+ TCG_REG_R17,
+ TCG_REG_R18,
+ TCG_REG_R19,
+ TCG_REG_R20,
+ TCG_REG_R21,
+ TCG_REG_R22,
+ TCG_REG_R23,
+ TCG_REG_R24,
+ TCG_REG_R25,
+ TCG_REG_R26,
+ TCG_REG_R27,
+ TCG_REG_R28,
+ TCG_REG_R29,
+ TCG_REG_R30,
+ TCG_REG_R31
+};
+
+/* used for function call generation */
+#define TCG_REG_CALL_STACK TCG_REG_R1
+#define TCG_TARGET_STACK_ALIGN 16
+#define TCG_TARGET_CALL_STACK_OFFSET 8
+#define TCG_TARGET_CALL_ALIGN_ARGS 1
+
+/* optional instructions */
+#define TCG_TARGET_HAS_neg_i32
+
+#define TCG_AREG0 TCG_REG_R27
+#define TCG_AREG1 TCG_REG_R24
+#define TCG_AREG2 TCG_REG_R25
+#define TCG_AREG3 TCG_REG_R26
+
+/* taken directly from tcg-dyngen.c */
+#define MIN_CACHE_LINE_SIZE 8 /* conservative value */
+
+static inline void flush_icache_range(unsigned long start, unsigned long stop)
+{
+ unsigned long p;
+
+ start &= ~(MIN_CACHE_LINE_SIZE - 1);
+ stop = (stop + MIN_CACHE_LINE_SIZE - 1) & ~(MIN_CACHE_LINE_SIZE - 1);
+
+ for (p = start; p < stop; p += MIN_CACHE_LINE_SIZE) {
+ asm volatile ("dcbst 0,%0" : : "r"(p) : "memory");
+ }
+ asm volatile ("sync" : : : "memory");
+ for (p = start; p < stop; p += MIN_CACHE_LINE_SIZE) {
+ asm volatile ("icbi 0,%0" : : "r"(p) : "memory");
+ }
+ asm volatile ("sync" : : : "memory");
+ asm volatile ("isync" : : : "memory");
+}
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