Preliminary PPC64/Linux host support

ppc64.ld from Heikki Lindholm's patch
http://marc.info/?l=qemu-devel&m=114086179024634&w=2

Issues:
x86_64 tripple faults shortly after decompressing the kernel
No immediate versions of most 64 bit operations
More...

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4932 c046a42c-6fe2-441c-8c8c-71466251a162

3 files changed, 1550 insertions, 0 deletions

diff --git a/tcg/ppc64/tcg-target.c b/tcg/ppc64/tcg-target.c
new file mode 100644
index 0000000000..285451edb5
--- /dev/null
+++ b/tcg/ppc64/tcg-target.c
@@ -0,0 +1,1435 @@
+/*
+ * 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 FAST_PATH
+
+#if TARGET_PHYS_ADDR_BITS == 32
+#define LD_ADDEND LWZ
+#else
+#define LD_ADDEND LD
+#endif
+
+#if TARGET_LONG_BITS == 32
+#define LD_ADDR LWZU
+#else
+#define LD_ADDR LDU
+#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_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,
+    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_R0,
+    TCG_REG_R1,
+    TCG_REG_R2,
+    TCG_REG_R24,
+    TCG_REG_R25,
+    TCG_REG_R26,
+    TCG_REG_R27
+};
+
+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
+};
+
+static const int tcg_target_callee_save_regs[] = {
+    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)
+{
+    tcg_target_long disp;
+
+    disp = target - (tcg_target_long) pc;
+    if ((disp << 38) >> 38 != disp)
+        tcg_abort ();
+
+    return disp & 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)
+{
+    tcg_target_long disp;
+
+    disp = target - (tcg_target_long) pc;
+    if (disp != (int16_t) disp)
+        tcg_abort ();
+
+    return disp & 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 'A': case 'B': case 'C': case 'D':
+        ct->ct |= TCG_CT_REG;
+        tcg_regset_set_reg (ct->u.regs, 3 + ct_str[0] - 'A');
+        break;
+    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;
+    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;
+    return 0;
+}
+
+#define OPCD(opc) ((opc)<<26)
+#define XO19(opc) (OPCD(19)|((opc)<<1))
+#define XO30(opc) (OPCD(30)|((opc)<<2))
+#define XO31(opc) (OPCD(31)|((opc)<<1))
+#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( 10)
+#define LWAX   XO31(341)
+
+#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 RLDICL XO30(  0)
+#define RLDICR XO30(  1)
+
+#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 EXTSB  XO31(954)
+#define EXTSH  XO31(922)
+#define EXTSW  XO31(986)
+#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 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(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 SLD    XO31( 27)
+#define SRD    XO31(539)
+#define SRAD   XO31(794)
+
+#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 MB64(b) ((b)<<5)
+
+#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_rld (TCGContext *s, int op, int ra, int 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 void tcg_out_movi32 (TCGContext *s, int ret, int32_t 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 | RS (ret) | RA (ret) | (arg & 0xffff));
+    }
+}
+
+static void tcg_out_movi (TCGContext *s, TCGType type,
+                          int ret, tcg_target_long arg)
+{
+    int32_t arg32 = arg;
+
+    if (type == TCG_TYPE_I32 || arg == arg32) {
+        tcg_out_movi32 (s, ret, arg32);
+    }
+    else {
+        if ((uint64_t) arg >> 32) {
+            tcg_out_movi32 (s, ret, (arg >> 32) + (arg32 < 0));
+            tcg_out_rld (s, RLDICR, ret, ret, 32, 31);
+            if (arg32) {
+                tcg_out_movi32 (s, 0, arg32);
+                tcg_out32 (s, ADD | TAB (ret, ret, 0));
+            }
+        }
+        else {
+            tcg_out_movi32 (s, ret, arg32);
+        }
+    }
+}
+
+static void tcg_out_call (TCGContext *s, tcg_target_long arg, int const_arg)
+{
+    int reg;
+
+    if (const_arg) {
+        reg = 2;
+        tcg_out_movi (s, TCG_TYPE_I64, reg, arg);
+    }
+    else reg = arg;
+
+    tcg_out32 (s, LD | RT (0) | RA (reg));
+    tcg_out32 (s, MTSPR | RA (0) | CTR);
+    tcg_out32 (s, LD | RT (11) | RA (reg) | 16);
+    tcg_out32 (s, LD | RT (2) | RA (reg) | 8);
+    tcg_out32 (s, BCCTR | BO_ALWAYS | LK);
+}
+
+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_I64, 0, offset);
+        tcg_out32 (s, op2 | RT (ret) | RA (addr) | RB (0));
+    }
+}
+
+static void tcg_out_b (TCGContext *s, int mask, tcg_target_long target)
+{
+    tcg_target_long disp;
+
+    disp = target - (tcg_target_long) s->code_ptr;
+    if ((disp << 38) >> 38 == disp)
+        tcg_out32 (s, B | (disp & 0x3fffffc) | mask);
+    else {
+        tcg_out_movi (s, TCG_TYPE_I64, 0, (tcg_target_long) target);
+        tcg_out32 (s, MTSPR | RS (0) | CTR);
+        tcg_out32 (s, BCCTR | BO_ALWAYS | mask);
+    }
+}
+
+#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_tlb_read (TCGContext *s, int r0, int r1, int r2,
+                              int addr_reg, int s_bits, int offset)
+{
+#if TARGET_LONG_BITS == 32
+    tcg_out_rld (s, RLDICL, addr_reg, addr_reg, 0, 32);
+#endif
+
+    tcg_out_rld (s, RLDICL, r0, addr_reg,
+                 64 - TARGET_PAGE_BITS,
+                 64 - CPU_TLB_BITS);
+    tcg_out_rld (s, RLDICR, r0, r0,
+                 CPU_TLB_ENTRY_BITS,
+                 63 - CPU_TLB_ENTRY_BITS);
+
+    tcg_out32 (s, ADD | TAB (r0, r0, TCG_AREG0));
+    tcg_out32 (s, LD_ADDR | RT (r1) | RA (r0) | offset);
+
+    tcg_out_rld (s, RLDICL, r2, addr_reg,
+                 64 - TARGET_PAGE_BITS,
+                 TARGET_PAGE_BITS - s_bits);
+    tcg_out_rld (s, RLDICL, r2, r2, TARGET_PAGE_BITS, 0);
+}
+
+static void tcg_out_qemu_ld (TCGContext *s, const TCGArg *args, int opc)
+{
+    int addr_reg, data_reg, r0, mem_index, s_bits, bswap;
+#ifdef CONFIG_SOFTMMU
+    int r1, r2;
+    void *label1_ptr, *label2_ptr;
+#endif
+
+    data_reg = *args++;
+    addr_reg = *args++;
+    mem_index = *args;
+    s_bits = opc & 3;
+
+#ifdef CONFIG_SOFTMMU
+    r0 = 3;
+    r1 = 4;
+    r2 = 0;
+
+    tcg_out_tlb_read (s, r0, r1, r2, addr_reg, s_bits,
+                      offsetof (CPUState, tlb_table[mem_index][0].addr_read));
+
+    tcg_out32 (s, CMP | BF (7) | RA (r2) | RB (r1));
+
+    label1_ptr = s->code_ptr;
+#ifdef FAST_PATH
+    tcg_out32 (s, BC | BI (7, CR_EQ) | BO_COND_TRUE);
+#endif
+
+    /* slow path */
+    tcg_out_mov (s, 3, addr_reg);
+    tcg_out_movi (s, TCG_TYPE_I64, 4, mem_index);
+
+    tcg_out_call (s, (tcg_target_long) qemu_ld_helpers[s_bits], 1);
+
+    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 2|4:
+        tcg_out32 (s, EXTSW | RA (data_reg) | RS (3));
+        break;
+    case 0:
+    case 1:
+    case 2:
+    case 3:
+        if (data_reg != 3)
+            tcg_out_mov (s, data_reg, 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, (LD_ADDEND
+                   | RT (r0)
+                   | RA (r0)
+                   | (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 2|4:
+        if (bswap) {
+            tcg_out32 (s, LWBRX | RT (data_reg) | RB (r0));
+            tcg_out32 (s, EXTSW | RT (data_reg) | RS (data_reg));
+        }
+        else tcg_out32 (s, LWA | RT (data_reg)| RA (r0));
+        break;
+    case 3:
+        if (bswap) {
+            tcg_out32 (s, LWBRX | RT (data_reg) | RB (r0));
+            tcg_out32 (s, ADDI | RT (r0) | RA (r0) | 4);
+            tcg_out32 (s, LWBRX | RT (r0) | RB (r0));
+            tcg_out_rld (s, RLDICR, r0, r0, 32, 31);
+            tcg_out32 (s, OR | SAB (r0, data_reg, data_reg));
+        }
+        else tcg_out32 (s, LD | RT (data_reg) | RA (r0));
+        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, mem_index, bswap;
+#ifdef CONFIG_SOFTMMU
+    int r2;
+    void *label1_ptr, *label2_ptr;
+#endif
+
+    data_reg = *args++;
+    addr_reg = *args++;
+    mem_index = *args;
+
+#ifdef CONFIG_SOFTMMU
+    r0 = 3;
+    r1 = 4;
+    r2 = 0;
+
+    tcg_out_tlb_read (s, r0, r1, r2, addr_reg, opc,
+                      offsetof (CPUState, tlb_table[mem_index][0].addr_write));
+
+    tcg_out32 (s, CMP | BF (7) | RA (r2) | RB (r1));
+
+    label1_ptr = s->code_ptr;
+#ifdef FAST_PATH
+    tcg_out32 (s, BC | BI (7, CR_EQ) | BO_COND_TRUE);
+#endif
+
+    /* slow path */
+    tcg_out_mov (s, 3, addr_reg);
+    tcg_out_rld (s, RLDICL, 4, data_reg, 0, 64 - (1 << (3 + opc)));
+    tcg_out_movi (s, TCG_TYPE_I64, 5, mem_index);
+
+    tcg_out_call (s, (tcg_target_long) qemu_st_helpers[opc], 1);
+
+    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, (LD_ADDEND
+                   | RT (r0)
+                   | RA (r0)
+                   | (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, STWBRX | RS (data_reg) | RA (0) | RB (r0));
+            tcg_out32 (s, ADDI | RT (r0) | RA (r0) | 4);
+            tcg_out_rld (s, RLDICL, 0, data_reg, 32, 0);
+            tcg_out32 (s, STWBRX | RS (0) | RA (0) | RB (r0));
+        }
+        else tcg_out32 (s, STD | RS (data_reg) | RA (r0));
+        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
+        + 8                     /* back chain */
+        + 8                     /* CR */
+        + 8                     /* LR */
+        + 8                     /* compiler doubleword */
+        + 8                     /* link editor doubleword */
+        + 8                     /* TOC save area */
+        + TCG_STATIC_CALL_ARGS_SIZE
+        + ARRAY_SIZE (tcg_target_callee_save_regs) * 8
+        ;
+    frame_size = (frame_size + 15) & ~15;
+
+    tcg_out32 (s, MFSPR | RT (0) | LR);
+    tcg_out32 (s, STDU | RS (1) | RA (1) | (-frame_size & 0xffff));
+    for (i = 0; i < ARRAY_SIZE (tcg_target_callee_save_regs); ++i)
+        tcg_out32 (s, (STD
+                       | RS (tcg_target_callee_save_regs[i])
+                       | RA (1)
+                       | (i * 8 + 48 + TCG_STATIC_CALL_ARGS_SIZE)
+                       )
+            );
+    tcg_out32 (s, STD | RS (0) | RA (1) | (frame_size + 20));
+    tcg_out32 (s, STD | RS (2) | RA (1) | (frame_size + 40));
+
+    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, (LD
+                       | RT (tcg_target_callee_save_regs[i])
+                       | RA (1)
+                       | (i * 8 + 48 + TCG_STATIC_CALL_ARGS_SIZE)
+                       )
+            );
+    tcg_out32 (s, LD | RT (0) | RA (1) | (frame_size + 20));
+    tcg_out32 (s, LD | RT (2) | RA (1) | (frame_size + 40));
+    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)
+{
+    if (type == TCG_TYPE_I32)
+        tcg_out_ldst (s, ret, arg1, arg2, LWZ, LWZX);
+    else
+        tcg_out_ldst (s, ret, arg1, arg2, LD, LDX);
+}
+
+static void tcg_out_st (TCGContext *s, TCGType type, int arg, int arg1,
+                        tcg_target_long arg2)
+{
+    if (type == TCG_TYPE_I32)
+        tcg_out_ldst (s, arg, arg1, arg2, STW, STWX);
+    else
+        tcg_out_ldst (s, arg, arg1, arg2, STD, STDX);
+}
+
+static void ppc_addi32 (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 ppc_addi64 (TCGContext *s, int rt, int ra, tcg_target_long si)
+{
+    tcg_out_movi (s, TCG_TYPE_I64, 0, si);
+    tcg_out32 (s, ADD | RT (rt) | RA (ra));
+}
+
+static void tcg_out_addi (TCGContext *s, int reg, tcg_target_long val)
+{
+    ppc_addi64 (s, reg, reg, val);
+}
+
+static void tcg_out_cmp (TCGContext *s, int cond, TCGArg arg1, TCGArg arg2,
+                         int const_arg2, int cr)
+{
+    int imm;
+    uint32_t op;
+
+    switch (cond) {
+    case TCG_COND_EQ:
+    case TCG_COND_NE:
+        if (const_arg2) {
+            if ((int16_t) arg2 == arg2) {
+                op = CMPI;
+                imm = 1;
+                break;
+            }
+            else if ((uint16_t) arg2 == arg2) {
+                op = CMPLI;
+                imm = 1;
+                break;
+            }
+        }
+        op = CMPL;
+        imm = 0;
+        break;
+
+    case TCG_COND_LT:
+    case TCG_COND_GE:
+    case TCG_COND_LE:
+    case TCG_COND_GT:
+        if (const_arg2) {
+            if ((int16_t) arg2 == arg2) {
+                op = CMPI;
+                imm = 1;
+                break;
+            }
+        }
+        op = CMP;
+        imm = 0;
+        break;
+
+    case TCG_COND_LTU:
+    case TCG_COND_GEU:
+    case TCG_COND_LEU:
+    case TCG_COND_GTU:
+        if (const_arg2) {
+            if ((uint16_t) arg2 == arg2) {
+                op = CMPLI;
+                imm = 1;
+                break;
+            }
+        }
+        op = CMPL;
+        imm = 0;
+        break;
+
+    default:
+        tcg_abort ();
+    }
+    op |= BF (cr);
+
+    if (imm)
+        tcg_out32 (s, op | RA (arg1) | (arg2 & 0xffff));
+    else {
+        if (const_arg2) {
+            tcg_out_movi (s, TCG_TYPE_I64, 0, arg2);
+            tcg_out32 (s, op | RA (arg1) | RB (0));
+        }
+        else
+            tcg_out32 (s, op | RA (arg1) | RB (arg2));
+    }
+
+}
+
+static void tcg_out_bc (TCGContext *s, int bc, int label_index)
+{
+    TCGLabel *l = &s->labels[label_index];
+
+    if (l->has_value)
+        tcg_out32 (s, bc | reloc_pc14_val (s->code_ptr, l->u.value));
+    else {
+        uint16_t val = *(uint16_t *) &s->code_ptr[2];
+
+        /* Thanks to Andrzej Zaborowski */
+        tcg_out32 (s, bc | (val & 0xfffc));
+        tcg_out_reloc (s, s->code_ptr - 4, R_PPC_REL14, label_index, 0);
+    }
+}
+
+static void tcg_out_brcond (TCGContext *s, int cond,
+                            TCGArg arg1, TCGArg arg2, int const_arg2,
+                            int label_index)
+{
+    tcg_out_cmp (s, cond, arg1, arg2, const_arg2, 7);
+    tcg_out_bc (s, tcg_to_bc[cond], label_index);
+}
+
+void ppc_tb_set_jmp_target (unsigned long jmp_addr, unsigned long addr)
+{
+    TCGContext s;
+    unsigned long patch_size;
+
+    s.code_ptr = (uint8_t *) jmp_addr;
+    tcg_out_b (&s, 0, addr);
+    patch_size = s.code_ptr - (uint8_t *) jmp_addr;
+    flush_icache_range (jmp_addr, jmp_addr + patch_size);
+}
+
+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_I64, TCG_REG_R3, args[0]);
+        tcg_out_b (s, 0, (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;
+            s->code_ptr += 32;
+        }
+        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_out_b (s, 0, l->u.value);
+            }
+            else {
+                uint32_t val = *(uint32_t *) s->code_ptr;
+
+                /* Thanks to Andrzej Zaborowski */
+                tcg_out32 (s, B | (val & 0x3fffffc));
+                tcg_out_reloc (s, s->code_ptr - 4, R_PPC_REL24, args[0], 0);
+            }
+        }
+        break;
+    case INDEX_op_call:
+        tcg_out_call (s, args[0], const_args[0]);
+        break;
+    case INDEX_op_jmp:
+        if (const_args[0]) {
+            tcg_out_b (s, 0, 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_movi_i64:
+        tcg_out_movi (s, TCG_TYPE_I64, args[0], args[1]);
+        break;
+    case INDEX_op_ld8u_i32:
+    case INDEX_op_ld8u_i64:
+        tcg_out_ldst (s, args[0], args[1], args[2], LBZ, LBZX);
+        break;
+    case INDEX_op_ld8s_i32:
+    case INDEX_op_ld8s_i64:
+        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:
+    case INDEX_op_ld16u_i64:
+        tcg_out_ldst (s, args[0], args[1], args[2], LHZ, LHZX);
+        break;
+    case INDEX_op_ld16s_i32:
+    case INDEX_op_ld16s_i64:
+        tcg_out_ldst (s, args[0], args[1], args[2], LHA, LHAX);
+        break;
+    case INDEX_op_ld_i32:
+    case INDEX_op_ld32u_i64:
+        tcg_out_ldst (s, args[0], args[1], args[2], LWZ, LWZX);
+        break;
+    case INDEX_op_ld32s_i64:
+        tcg_out_ldst (s, args[0], args[1], args[2], LWA, LWAX);
+        break;
+    case INDEX_op_ld_i64:
+        tcg_out_ldst (s, args[0], args[1], args[2], LD, LDX);
+        break;
+    case INDEX_op_st8_i32:
+    case INDEX_op_st8_i64:
+        tcg_out_ldst (s, args[0], args[1], args[2], STB, STBX);
+        break;
+    case INDEX_op_st16_i32:
+    case INDEX_op_st16_i64:
+        tcg_out_ldst (s, args[0], args[1], args[2], STH, STHX);
+        break;
+    case INDEX_op_st_i32:
+    case INDEX_op_st32_i64:
+        tcg_out_ldst (s, args[0], args[1], args[2], STW, STWX);
+        break;
+    case INDEX_op_st_i64:
+        tcg_out_ldst (s, args[0], args[1], args[2], STD, STDX);
+        break;
+
+    case INDEX_op_add_i32:
+        if (const_args[2])
+            ppc_addi32 (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_addi32 (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_div_i32:
+        tcg_out32 (s, DIVW | TAB (args[0], args[1], args[2]));
+        break;
+
+    case INDEX_op_divu_i32:
+        tcg_out32 (s, DIVWU | TAB (args[0], args[1], args[2]));
+        break;
+
+    case INDEX_op_rem_i32:
+        tcg_out32 (s, DIVW | TAB (0, args[1], args[2]));
+        tcg_out32 (s, MULLW | TAB (0, 0, args[2]));
+        tcg_out32 (s, SUBF | TAB (args[0], 0, args[1]));
+        break;
+
+    case INDEX_op_remu_i32:
+        tcg_out32 (s, DIVWU | TAB (0, args[1], args[2]));
+        tcg_out32 (s, MULLW | TAB (0, 0, args[2]));
+        tcg_out32 (s, SUBF | TAB (args[0], 0, args[1]));
+        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_brcond_i32:
+    case INDEX_op_brcond_i64:
+        tcg_out_brcond (s, args[2], args[0], args[1], const_args[1], args[3]);
+        break;
+
+    case INDEX_op_neg_i32:
+        tcg_out32 (s, TRAP);
+        break;
+    case INDEX_op_neg_i64:
+        tcg_out32 (s, NEG | RT (args[0]) | RA (args[1]));
+        break;
+
+    case INDEX_op_add_i64:
+        tcg_out32 (s, ADD | TAB (args[0], args[1], args[2]));
+        break;
+    case INDEX_op_sub_i64:
+        tcg_out32 (s, SUBF | TAB (args[0], args[2], args[1]));
+        break;
+
+    case INDEX_op_and_i64:
+        tcg_out32 (s, AND | SAB (args[1], args[0], args[2]));
+        break;
+    case INDEX_op_or_i64:
+        tcg_out32 (s, OR | SAB (args[1], args[0], args[2]));
+        break;
+    case INDEX_op_xor_i64:
+        tcg_out32 (s, XOR | SAB (args[1], args[0], args[2]));
+        break;
+
+    case INDEX_op_shl_i64:
+        tcg_out32 (s, SLD | SAB (args[1], args[0], args[2]));
+        break;
+    case INDEX_op_shr_i64:
+        tcg_out32 (s, SRD | SAB (args[1], args[0], args[2]));
+        break;
+    case INDEX_op_sar_i64:
+        tcg_out32 (s, SRAD | SAB (args[1], args[0], args[2]));
+        break;
+
+    case INDEX_op_mul_i64:
+        tcg_out32 (s, MULLD | TAB (args[0], args[1], args[2]));
+        break;
+    case INDEX_op_div_i64:
+        tcg_out32 (s, DIVD | TAB (args[0], args[1], args[2]));
+        break;
+    case INDEX_op_divu_i64:
+        tcg_out32 (s, DIVDU | TAB (args[0], args[1], args[2]));
+        break;
+    case INDEX_op_rem_i64:
+        tcg_out32 (s, DIVD | TAB (0, args[1], args[2]));
+        tcg_out32 (s, MULLD | TAB (0, 0, args[2]));
+        tcg_out32 (s, SUBF | TAB (args[0], 0, args[1]));
+        break;
+    case INDEX_op_remu_i64:
+        tcg_out32 (s, DIVDU | TAB (0, args[1], args[2]));
+        tcg_out32 (s, MULLD | TAB (0, 0, args[2]));
+        tcg_out32 (s, SUBF | TAB (args[0], 0, 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_ld32s:
+        tcg_out_qemu_ld (s, args, 2 | 4);
+        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, { "ri" } },
+    { INDEX_op_jmp, { "ri" } },
+    { INDEX_op_br, { } },
+
+    { INDEX_op_mov_i32, { "r", "r" } },
+    { INDEX_op_mov_i64, { "r", "r" } },
+    { INDEX_op_movi_i32, { "r" } },
+    { INDEX_op_movi_i64, { "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_ld_i64, { "r", "r" } },
+    { INDEX_op_st8_i32, { "r", "r" } },
+    { INDEX_op_st8_i64, { "r", "r" } },
+    { INDEX_op_st16_i32, { "r", "r" } },
+    { INDEX_op_st16_i64, { "r", "r" } },
+    { INDEX_op_st_i32, { "r", "r" } },
+    { INDEX_op_st_i64, { "r", "r" } },
+    { INDEX_op_st32_i64, { "r", "r" } },
+
+    { INDEX_op_ld8u_i64, { "r", "r" } },
+    { INDEX_op_ld8s_i64, { "r", "r" } },
+    { INDEX_op_ld16u_i64, { "r", "r" } },
+    { INDEX_op_ld16s_i64, { "r", "r" } },
+    { INDEX_op_ld32u_i64, { "r", "r" } },
+    { INDEX_op_ld32s_i64, { "r", "r" } },
+    { INDEX_op_ld_i64, { "r", "r" } },
+
+    { INDEX_op_add_i32, { "r", "r", "ri" } },
+    { INDEX_op_mul_i32, { "r", "r", "ri" } },
+    { INDEX_op_div_i32, { "r", "r", "r" } },
+    { INDEX_op_divu_i32, { "r", "r", "r" } },
+    { INDEX_op_rem_i32, { "r", "r", "r" } },
+    { INDEX_op_remu_i32, { "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_brcond_i64, { "r", "ri" } },
+
+    { INDEX_op_neg_i32, { "r", "r" } },
+
+    { INDEX_op_add_i64, { "r", "r", "r" } },
+    { INDEX_op_sub_i64, { "r", "r", "r" } },
+    { INDEX_op_and_i64, { "r", "r", "r" } },
+    { INDEX_op_or_i64, { "r", "r", "r" } },
+    { INDEX_op_xor_i64, { "r", "r", "r" } },
+
+    { INDEX_op_shl_i64, { "r", "r", "r" } },
+    { INDEX_op_shr_i64, { "r", "r", "r" } },
+    { INDEX_op_sar_i64, { "r", "r", "r" } },
+
+    { INDEX_op_mul_i64, { "r", "r", "ri" } },
+    { INDEX_op_div_i64, { "r", "r", "r" } },
+    { INDEX_op_divu_i64, { "r", "r", "r" } },
+    { INDEX_op_rem_i64, { "r", "r", "r" } },
+    { INDEX_op_remu_i64, { "r", "r", "r" } },
+
+    { INDEX_op_neg_i64, { "r", "r" } },
+
+    { 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" } },
+
+    { -1 },
+};
+
+void tcg_target_init (TCGContext *s)
+{
+    tcg_regset_set32 (tcg_target_available_regs[TCG_TYPE_I32], 0, 0xffffffff);
+    tcg_regset_set32 (tcg_target_available_regs[TCG_TYPE_I64], 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_regset_set_reg (s->reserved_regs, TCG_REG_R13);
+
+    tcg_add_target_add_op_defs (ppc_op_defs);
+}
diff --git a/tcg/ppc64/tcg-target.h b/tcg/ppc64/tcg-target.h
new file mode 100644
index 0000000000..98d66cd92e
--- /dev/null
+++ b/tcg/ppc64/tcg-target.h
@@ -0,0 +1,100 @@
+/*
+ * 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_PPC64 1
+
+#define TCG_TARGET_REG_BITS 64
+#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
+
+/* optional instructions */
+#define TCG_TARGET_HAS_neg_i32
+#define TCG_TARGET_HAS_div_i32
+#define TCG_TARGET_HAS_neg_i64
+#define TCG_TARGET_HAS_div_i64
+
+#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");
+}
diff --git a/tcg/tcg.h b/tcg/tcg.h
index 2ce36b8786..a3c9de98e5 100644
--- a/tcg/tcg.h
+++ b/tcg/tcg.h
@@ -414,8 +414,23 @@ uint64_t tcg_helper_remu_i64(uint64_t arg1, uint64_t arg2);
 
 extern uint8_t code_gen_prologue[];
 #ifdef __powerpc__
+#ifdef __powerpc64__
+#define tcg_qemu_tb_exec(tb_ptr)                                        \
+    ({ unsigned long p;                                                 \
+       asm volatile (                                                   \
+         "mtctr %1\n\t"                                                 \
+         "mr 3,%2\n\t"                                                  \
+         "bctrl\n\t"                                                    \
+         "mr %0,3\n\t"                                                  \
+         : "=r" (p)                                                     \
+         : "r" (code_gen_prologue), "r" (tb_ptr)                        \
+         : "3", "4", "5", "6", "7", "8", "9", "10", "11", "12");        \
+    p;                                                                  \
+    })
+#else
 #define tcg_qemu_tb_exec(tb_ptr) \
     ((long REGPARM __attribute__ ((longcall)) (*)(void *))code_gen_prologue)(tb_ptr)
+#endif
 #else
 #define tcg_qemu_tb_exec(tb_ptr) ((long REGPARM (*)(void *))code_gen_prologue)(tb_ptr)
 #endif