* THE SOFTWARE.
*/
+#ifndef NDEBUG
static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = {
"%g0",
"%g1",
"%i6",
"%i7",
};
+#endif
-static const int tcg_target_reg_alloc_order[TCG_TARGET_NB_REGS] = {
+static const int tcg_target_reg_alloc_order[] = {
TCG_REG_L0,
TCG_REG_L1,
TCG_REG_L2,
TCG_REG_I2,
TCG_REG_I3,
TCG_REG_I4,
- TCG_REG_I5,
};
static const int tcg_target_call_iarg_regs[6] = {
TCG_REG_O1,
};
+static inline int check_fit_tl(tcg_target_long val, unsigned int bits)
+{
+ return (val << ((sizeof(tcg_target_long) * 8 - bits))
+ >> (sizeof(tcg_target_long) * 8 - bits)) == val;
+}
+
+static inline int check_fit_i32(uint32_t val, unsigned int bits)
+{
+ return ((val << (32 - bits)) >> (32 - bits)) == val;
+}
+
static void patch_reloc(uint8_t *code_ptr, int type,
- tcg_target_long value)
+ tcg_target_long value, tcg_target_long addend)
{
+ value += addend;
switch (type) {
case R_SPARC_32:
if (value != (uint32_t)value)
tcg_abort();
*(uint32_t *)code_ptr = value;
break;
+ case R_SPARC_WDISP22:
+ value -= (long)code_ptr;
+ value >>= 2;
+ if (!check_fit_tl(value, 22))
+ tcg_abort();
+ *(uint32_t *)code_ptr = ((*(uint32_t *)code_ptr) & ~0x3fffff) | value;
+ break;
default:
tcg_abort();
}
case 'L': /* qemu_ld/st constraint */
ct->ct |= TCG_CT_REG;
tcg_regset_set32(ct->u.regs, 0, 0xffffffff);
+ // Helper args
+ tcg_regset_reset_reg(ct->u.regs, TCG_REG_O0);
+ tcg_regset_reset_reg(ct->u.regs, TCG_REG_O1);
+ tcg_regset_reset_reg(ct->u.regs, TCG_REG_O2);
break;
case 'I':
ct->ct |= TCG_CT_CONST_S11;
return 0;
}
-#define ABS(x) ((x) < 0? -(x) : (x))
/* test if a constant matches the constraint */
static inline int tcg_target_const_match(tcg_target_long val,
const TCGArgConstraint *arg_ct)
ct = arg_ct->ct;
if (ct & TCG_CT_CONST)
return 1;
- else if ((ct & TCG_CT_CONST_S11) && ABS(val) == (ABS(val) & 0x3ff))
+ else if ((ct & TCG_CT_CONST_S11) && check_fit_tl(val, 11))
return 1;
- else if ((ct & TCG_CT_CONST_S13) && ABS(val) == (ABS(val) & 0xfff))
+ else if ((ct & TCG_CT_CONST_S13) && check_fit_tl(val, 13))
return 1;
else
return 0;
#define INSN_RD(x) ((x) << 25)
#define INSN_RS1(x) ((x) << 14)
#define INSN_RS2(x) (x)
+#define INSN_ASI(x) ((x) << 5)
#define INSN_IMM13(x) ((1 << 13) | ((x) & 0x1fff))
+#define INSN_OFF22(x) (((x) >> 2) & 0x3fffff)
-#define INSN_COND(x, a) (((x) << 25) | ((a) << 29)
+#define INSN_COND(x, a) (((x) << 25) | ((a) << 29))
+#define COND_N 0x0
+#define COND_E 0x1
+#define COND_LE 0x2
+#define COND_L 0x3
+#define COND_LEU 0x4
+#define COND_CS 0x5
+#define COND_NEG 0x6
+#define COND_VS 0x7
+#define COND_A 0x8
+#define COND_NE 0x9
+#define COND_G 0xa
+#define COND_GE 0xb
+#define COND_GU 0xc
+#define COND_CC 0xd
+#define COND_POS 0xe
+#define COND_VC 0xf
+#define BA (INSN_OP(0) | INSN_COND(COND_A, 0) | INSN_OP2(0x2))
#define ARITH_ADD (INSN_OP(2) | INSN_OP3(0x00))
#define ARITH_AND (INSN_OP(2) | INSN_OP3(0x01))
#define ARITH_OR (INSN_OP(2) | INSN_OP3(0x02))
+#define ARITH_ORCC (INSN_OP(2) | INSN_OP3(0x12))
#define ARITH_XOR (INSN_OP(2) | INSN_OP3(0x03))
-#define ARITH_SUB (INSN_OP(2) | INSN_OP3(0x08))
+#define ARITH_SUB (INSN_OP(2) | INSN_OP3(0x04))
+#define ARITH_SUBCC (INSN_OP(2) | INSN_OP3(0x14))
#define ARITH_ADDX (INSN_OP(2) | INSN_OP3(0x10))
#define ARITH_SUBX (INSN_OP(2) | INSN_OP3(0x0c))
#define ARITH_UMUL (INSN_OP(2) | INSN_OP3(0x0a))
#define STH (INSN_OP(3) | INSN_OP3(0x06))
#define STW (INSN_OP(3) | INSN_OP3(0x04))
#define STX (INSN_OP(3) | INSN_OP3(0x0e))
+#define LDUBA (INSN_OP(3) | INSN_OP3(0x11))
+#define LDSBA (INSN_OP(3) | INSN_OP3(0x19))
+#define LDUHA (INSN_OP(3) | INSN_OP3(0x12))
+#define LDSHA (INSN_OP(3) | INSN_OP3(0x1a))
+#define LDUWA (INSN_OP(3) | INSN_OP3(0x10))
+#define LDSWA (INSN_OP(3) | INSN_OP3(0x18))
+#define LDXA (INSN_OP(3) | INSN_OP3(0x1b))
+#define STBA (INSN_OP(3) | INSN_OP3(0x15))
+#define STHA (INSN_OP(3) | INSN_OP3(0x16))
+#define STWA (INSN_OP(3) | INSN_OP3(0x14))
+#define STXA (INSN_OP(3) | INSN_OP3(0x1e))
+
+#ifndef ASI_PRIMARY_LITTLE
+#define ASI_PRIMARY_LITTLE 0x88
+#endif
+
+static inline void tcg_out_arith(TCGContext *s, int rd, int rs1, int rs2,
+ int op)
+{
+ tcg_out32(s, op | INSN_RD(rd) | INSN_RS1(rs1) |
+ INSN_RS2(rs2));
+}
+
+static inline void tcg_out_arithi(TCGContext *s, int rd, int rs1,
+ uint32_t offset, int op)
+{
+ tcg_out32(s, op | INSN_RD(rd) | INSN_RS1(rs1) |
+ INSN_IMM13(offset));
+}
static inline void tcg_out_mov(TCGContext *s, int ret, int arg)
{
- tcg_out32(s, ARITH_OR | INSN_RD(ret) | INSN_RS1(arg) |
- INSN_RS2(TCG_REG_G0));
+ tcg_out_arith(s, ret, arg, TCG_REG_G0, ARITH_OR);
+}
+
+static inline void tcg_out_sethi(TCGContext *s, int ret, uint32_t arg)
+{
+ tcg_out32(s, SETHI | INSN_RD(ret) | ((arg & 0xfffffc00) >> 10));
+}
+
+static inline void tcg_out_movi_imm13(TCGContext *s, int ret, uint32_t arg)
+{
+ tcg_out_arithi(s, ret, TCG_REG_G0, arg, ARITH_OR);
+}
+
+static inline void tcg_out_movi_imm32(TCGContext *s, int ret, uint32_t arg)
+{
+ if (check_fit_tl(arg, 12))
+ tcg_out_movi_imm13(s, ret, arg);
+ else {
+ tcg_out_sethi(s, ret, arg);
+ if (arg & 0x3ff)
+ tcg_out_arithi(s, ret, ret, arg & 0x3ff, ARITH_OR);
+ }
}
static inline void tcg_out_movi(TCGContext *s, TCGType type,
int ret, tcg_target_long arg)
{
- if (arg == (arg & 0xfff))
- tcg_out32(s, ARITH_OR | INSN_RD(ret) | INSN_RS1(TCG_REG_G0) |
- INSN_IMM13(arg));
+#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
+ if (!check_fit_tl(arg, 32) && (arg & ~0xffffffffULL) != 0) {
+ tcg_out_movi_imm32(s, TCG_REG_I4, arg >> 32);
+ tcg_out_arithi(s, TCG_REG_I4, TCG_REG_I4, 32, SHIFT_SLLX);
+ tcg_out_movi_imm32(s, ret, arg);
+ tcg_out_arith(s, ret, ret, TCG_REG_I4, ARITH_OR);
+ } else if (check_fit_tl(arg, 12))
+ tcg_out_movi_imm13(s, ret, arg);
else {
- tcg_out32(s, SETHI | INSN_RD(ret) | ((arg & 0xfffffc00) >> 10));
+ tcg_out_sethi(s, ret, arg);
if (arg & 0x3ff)
- tcg_out32(s, ARITH_OR | INSN_RD(ret) | INSN_RS1(ret) |
- INSN_IMM13(arg & 0x3ff));
+ tcg_out_arithi(s, ret, ret, arg & 0x3ff, ARITH_OR);
}
+#else
+ tcg_out_movi_imm32(s, ret, arg);
+#endif
}
static inline void tcg_out_ld_raw(TCGContext *s, int ret,
tcg_target_long arg)
{
- tcg_out32(s, SETHI | INSN_RD(ret) | (((uint32_t)arg & 0xfffffc00) >> 10));
+ tcg_out_sethi(s, ret, arg);
+ tcg_out32(s, LDUW | INSN_RD(ret) | INSN_RS1(ret) |
+ INSN_IMM13(arg & 0x3ff));
+}
+
+static inline void tcg_out_ld_ptr(TCGContext *s, int ret,
+ tcg_target_long arg)
+{
+ if (!check_fit_tl(arg, 10))
+ tcg_out_movi(s, TCG_TYPE_PTR, ret, arg & ~0x3ffULL);
+#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
+ tcg_out32(s, LDX | INSN_RD(ret) | INSN_RS1(ret) |
+ INSN_IMM13(arg & 0x3ff));
+#else
tcg_out32(s, LDUW | INSN_RD(ret) | INSN_RS1(ret) |
INSN_IMM13(arg & 0x3ff));
+#endif
}
static inline void tcg_out_ldst(TCGContext *s, int ret, int addr, int offset, int op)
{
- if (offset == (offset & 0xfff))
+ if (check_fit_tl(offset, 13))
tcg_out32(s, op | INSN_RD(ret) | INSN_RS1(addr) |
INSN_IMM13(offset));
- else
- fprintf(stderr, "unimplemented %s with offset %d\n", __func__, offset);
+ else {
+ tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_I5, offset);
+ tcg_out32(s, op | INSN_RD(ret) | INSN_RS1(TCG_REG_I5) |
+ INSN_RS2(addr));
+ }
}
-static inline void tcg_out_ld(TCGContext *s, int ret,
- int arg1, tcg_target_long arg2)
+static inline void tcg_out_ldst_asi(TCGContext *s, int ret, int addr,
+ int offset, int op, int asi)
{
- fprintf(stderr, "unimplemented %s\n", __func__);
+ tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_I5, offset);
+ tcg_out32(s, op | INSN_RD(ret) | INSN_RS1(TCG_REG_I5) |
+ INSN_ASI(asi) | INSN_RS2(addr));
}
-static inline void tcg_out_st(TCGContext *s, int arg,
+static inline void tcg_out_ld(TCGContext *s, TCGType type, int ret,
int arg1, tcg_target_long arg2)
{
- fprintf(stderr, "unimplemented %s\n", __func__);
-}
-
-static inline void tcg_out_arith(TCGContext *s, int rd, int rs1, int rs2,
- int op)
-{
- tcg_out32(s, op | INSN_RD(rd) | INSN_RS1(rs1) |
- INSN_RS2(rs2));
+ if (type == TCG_TYPE_I32)
+ tcg_out_ldst(s, ret, arg1, arg2, LDUW);
+ else
+ tcg_out_ldst(s, ret, arg1, arg2, LDX);
}
-static inline void tcg_out_arithi(TCGContext *s, int rd, int rs1, int offset,
- int op)
+static inline void tcg_out_st(TCGContext *s, TCGType type, int arg,
+ int arg1, tcg_target_long arg2)
{
- tcg_out32(s, op | INSN_RD(rd) | INSN_RS1(rs1) |
- INSN_IMM13(offset));
+ if (type == TCG_TYPE_I32)
+ tcg_out_ldst(s, arg, arg1, arg2, STW);
+ else
+ tcg_out_ldst(s, arg, arg1, arg2, STX);
}
static inline void tcg_out_sety(TCGContext *s, tcg_target_long val)
static inline void tcg_out_addi(TCGContext *s, int reg, tcg_target_long val)
{
if (val != 0) {
- if (val == (val & 0xfff))
+ if (check_fit_tl(val, 13))
tcg_out_arithi(s, reg, reg, val, ARITH_ADD);
- else
- fprintf(stderr, "unimplemented addi %ld\n", (long)val);
+ else {
+ tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_I5, val);
+ tcg_out_arith(s, reg, reg, TCG_REG_I5, ARITH_ADD);
+ }
+ }
+}
+
+static inline void tcg_out_andi(TCGContext *s, int reg, tcg_target_long val)
+{
+ if (val != 0) {
+ if (check_fit_tl(val, 13))
+ tcg_out_arithi(s, reg, reg, val, ARITH_AND);
+ else {
+ tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_I5, val);
+ tcg_out_arith(s, reg, reg, TCG_REG_I5, ARITH_AND);
+ }
}
}
static inline void tcg_out_nop(TCGContext *s)
{
- tcg_out32(s, SETHI | INSN_RD(TCG_REG_G0) | 0);
+ tcg_out_sethi(s, TCG_REG_G0, 0);
+}
+
+static void tcg_out_branch(TCGContext *s, int opc, int label_index)
+{
+ int32_t val;
+ TCGLabel *l = &s->labels[label_index];
+
+ if (l->has_value) {
+ val = l->u.value - (tcg_target_long)s->code_ptr;
+ tcg_out32(s, (INSN_OP(0) | INSN_COND(opc, 0) | INSN_OP2(0x2)
+ | INSN_OFF22(l->u.value - (unsigned long)s->code_ptr)));
+ } else {
+ tcg_out_reloc(s, s->code_ptr, R_SPARC_WDISP22, label_index, 0);
+ tcg_out32(s, (INSN_OP(0) | INSN_COND(opc, 0) | INSN_OP2(0x2) | 0));
+ }
+}
+
+static const uint8_t tcg_cond_to_bcond[10] = {
+ [TCG_COND_EQ] = COND_E,
+ [TCG_COND_NE] = COND_NE,
+ [TCG_COND_LT] = COND_L,
+ [TCG_COND_GE] = COND_GE,
+ [TCG_COND_LE] = COND_LE,
+ [TCG_COND_GT] = COND_G,
+ [TCG_COND_LTU] = COND_CS,
+ [TCG_COND_GEU] = COND_CC,
+ [TCG_COND_LEU] = COND_LEU,
+ [TCG_COND_GTU] = COND_GU,
+};
+
+static void tcg_out_brcond(TCGContext *s, int cond,
+ TCGArg arg1, TCGArg arg2, int const_arg2,
+ int label_index)
+{
+ if (const_arg2 && arg2 == 0)
+ /* orcc %g0, r, %g0 */
+ tcg_out_arith(s, TCG_REG_G0, TCG_REG_G0, arg1, ARITH_ORCC);
+ else
+ /* subcc r1, r2, %g0 */
+ tcg_out_arith(s, TCG_REG_G0, arg1, arg2, ARITH_SUBCC);
+ tcg_out_branch(s, tcg_cond_to_bcond[cond], label_index);
+ tcg_out_nop(s);
+}
+
+/* Generate global QEMU prologue and epilogue code */
+void tcg_target_qemu_prologue(TCGContext *s)
+{
+ tcg_out32(s, SAVE | INSN_RD(TCG_REG_O6) | INSN_RS1(TCG_REG_O6) |
+ INSN_IMM13(-TCG_TARGET_STACK_MINFRAME));
+ tcg_out32(s, JMPL | INSN_RD(TCG_REG_G0) | INSN_RS1(TCG_REG_I0) |
+ INSN_RS2(TCG_REG_G0));
+ tcg_out_nop(s);
+}
+
+#if defined(CONFIG_SOFTMMU)
+
+#include "../../softmmu_defs.h"
+
+static const void * const qemu_ld_helpers[4] = {
+ __ldb_mmu,
+ __ldw_mmu,
+ __ldl_mmu,
+ __ldq_mmu,
+};
+
+static const void * const qemu_st_helpers[4] = {
+ __stb_mmu,
+ __stw_mmu,
+ __stl_mmu,
+ __stq_mmu,
+};
+#endif
+
+#if TARGET_LONG_BITS == 32
+#define TARGET_LD_OP LDUW
+#else
+#define TARGET_LD_OP LDX
+#endif
+
+#if TARGET_PHYS_ADDR_BITS == 32
+#define TARGET_ADDEND_LD_OP LDUW
+#else
+#define TARGET_ADDEND_LD_OP LDX
+#endif
+
+#ifdef __arch64__
+#define HOST_LD_OP LDX
+#define HOST_ST_OP STX
+#define HOST_SLL_OP SHIFT_SLLX
+#define HOST_SRA_OP SHIFT_SRAX
+#else
+#define HOST_LD_OP LDUW
+#define HOST_ST_OP STW
+#define HOST_SLL_OP SHIFT_SLL
+#define HOST_SRA_OP SHIFT_SRA
+#endif
+
+static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args,
+ int opc)
+{
+ int addr_reg, data_reg, arg0, arg1, arg2, mem_index, s_bits;
+#if defined(CONFIG_SOFTMMU)
+ uint32_t *label1_ptr, *label2_ptr;
+#endif
+
+ data_reg = *args++;
+ addr_reg = *args++;
+ mem_index = *args;
+ s_bits = opc & 3;
+
+ arg0 = TCG_REG_O0;
+ arg1 = TCG_REG_O1;
+ arg2 = TCG_REG_O2;
+
+#if defined(CONFIG_SOFTMMU)
+ /* srl addr_reg, x, arg1 */
+ tcg_out_arithi(s, arg1, addr_reg, TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS,
+ SHIFT_SRL);
+ /* and addr_reg, x, arg0 */
+ tcg_out_arithi(s, arg0, addr_reg, TARGET_PAGE_MASK | ((1 << s_bits) - 1),
+ ARITH_AND);
+
+ /* and arg1, x, arg1 */
+ tcg_out_andi(s, arg1, (CPU_TLB_SIZE - 1) << CPU_TLB_ENTRY_BITS);
+
+ /* add arg1, x, arg1 */
+ tcg_out_addi(s, arg1, offsetof(CPUState,
+ tlb_table[mem_index][0].addr_read));
+
+ /* add env, arg1, arg1 */
+ tcg_out_arith(s, arg1, TCG_AREG0, arg1, ARITH_ADD);
+
+ /* ld [arg1], arg2 */
+ tcg_out32(s, TARGET_LD_OP | INSN_RD(arg2) | INSN_RS1(arg1) |
+ INSN_RS2(TCG_REG_G0));
+
+ /* subcc arg0, arg2, %g0 */
+ tcg_out_arith(s, TCG_REG_G0, arg0, arg2, ARITH_SUBCC);
+
+ /* will become:
+ be label1 */
+ label1_ptr = (uint32_t *)s->code_ptr;
+ tcg_out32(s, 0);
+
+ /* mov (delay slot) */
+ tcg_out_mov(s, arg0, addr_reg);
+
+ /* mov */
+ tcg_out_movi(s, TCG_TYPE_I32, arg1, mem_index);
+
+ /* XXX: move that code at the end of the TB */
+ /* qemu_ld_helper[s_bits](arg0, arg1) */
+ tcg_out32(s, CALL | ((((tcg_target_ulong)qemu_ld_helpers[s_bits]
+ - (tcg_target_ulong)s->code_ptr) >> 2)
+ & 0x3fffffff));
+ /* Store AREG0 in stack to avoid ugly glibc bugs that mangle
+ global registers */
+ // delay slot
+ tcg_out_ldst(s, TCG_AREG0, TCG_REG_CALL_STACK,
+ TCG_TARGET_CALL_STACK_OFFSET - sizeof(long), HOST_ST_OP);
+ tcg_out_ldst(s, TCG_AREG0, TCG_REG_CALL_STACK,
+ TCG_TARGET_CALL_STACK_OFFSET - sizeof(long), HOST_LD_OP);
+
+ /* data_reg = sign_extend(arg0) */
+ switch(opc) {
+ case 0 | 4:
+ /* sll arg0, 24/56, data_reg */
+ tcg_out_arithi(s, data_reg, arg0, (int)sizeof(tcg_target_long) * 8 - 8,
+ HOST_SLL_OP);
+ /* sra data_reg, 24/56, data_reg */
+ tcg_out_arithi(s, data_reg, data_reg,
+ (int)sizeof(tcg_target_long) * 8 - 8, HOST_SRA_OP);
+ break;
+ case 1 | 4:
+ /* sll arg0, 16/48, data_reg */
+ tcg_out_arithi(s, data_reg, arg0,
+ (int)sizeof(tcg_target_long) * 8 - 16, HOST_SLL_OP);
+ /* sra data_reg, 16/48, data_reg */
+ tcg_out_arithi(s, data_reg, data_reg,
+ (int)sizeof(tcg_target_long) * 8 - 16, HOST_SRA_OP);
+ break;
+ case 2 | 4:
+ /* sll arg0, 32, data_reg */
+ tcg_out_arithi(s, data_reg, arg0, 32, HOST_SLL_OP);
+ /* sra data_reg, 32, data_reg */
+ tcg_out_arithi(s, data_reg, data_reg, 32, HOST_SRA_OP);
+ break;
+ case 0:
+ case 1:
+ case 2:
+ case 3:
+ default:
+ /* mov */
+ tcg_out_mov(s, data_reg, arg0);
+ break;
+ }
+
+ /* will become:
+ ba label2 */
+ label2_ptr = (uint32_t *)s->code_ptr;
+ tcg_out32(s, 0);
+
+ /* nop (delay slot */
+ tcg_out_nop(s);
+
+ /* label1: */
+ *label1_ptr = (INSN_OP(0) | INSN_COND(COND_E, 0) | INSN_OP2(0x2) |
+ INSN_OFF22((unsigned long)s->code_ptr -
+ (unsigned long)label1_ptr));
+
+ /* ld [arg1 + x], arg1 */
+ tcg_out_ldst(s, arg1, arg1, offsetof(CPUTLBEntry, addend) -
+ offsetof(CPUTLBEntry, addr_read), TARGET_ADDEND_LD_OP);
+
+#if TARGET_LONG_BITS == 32
+ /* and addr_reg, x, arg0 */
+ tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_I5, 0xffffffff);
+ tcg_out_arith(s, arg0, addr_reg, TCG_REG_I5, ARITH_AND);
+ /* add arg0, arg1, arg0 */
+ tcg_out_arith(s, arg0, arg0, arg1, ARITH_ADD);
+#else
+ /* add addr_reg, arg1, arg0 */
+ tcg_out_arith(s, arg0, addr_reg, arg1, ARITH_ADD);
+#endif
+
+#else
+ arg0 = addr_reg;
+#endif
+
+ switch(opc) {
+ case 0:
+ /* ldub [arg0], data_reg */
+ tcg_out_ldst(s, data_reg, arg0, 0, LDUB);
+ break;
+ case 0 | 4:
+ /* ldsb [arg0], data_reg */
+ tcg_out_ldst(s, data_reg, arg0, 0, LDSB);
+ break;
+ case 1:
+#ifdef TARGET_WORDS_BIGENDIAN
+ /* lduh [arg0], data_reg */
+ tcg_out_ldst(s, data_reg, arg0, 0, LDUH);
+#else
+ /* lduha [arg0] ASI_PRIMARY_LITTLE, data_reg */
+ tcg_out_ldst_asi(s, data_reg, arg0, 0, LDUHA, ASI_PRIMARY_LITTLE);
+#endif
+ break;
+ case 1 | 4:
+#ifdef TARGET_WORDS_BIGENDIAN
+ /* ldsh [arg0], data_reg */
+ tcg_out_ldst(s, data_reg, arg0, 0, LDSH);
+#else
+ /* ldsha [arg0] ASI_PRIMARY_LITTLE, data_reg */
+ tcg_out_ldst_asi(s, data_reg, arg0, 0, LDSHA, ASI_PRIMARY_LITTLE);
+#endif
+ break;
+ case 2:
+#ifdef TARGET_WORDS_BIGENDIAN
+ /* lduw [arg0], data_reg */
+ tcg_out_ldst(s, data_reg, arg0, 0, LDUW);
+#else
+ /* lduwa [arg0] ASI_PRIMARY_LITTLE, data_reg */
+ tcg_out_ldst_asi(s, data_reg, arg0, 0, LDUWA, ASI_PRIMARY_LITTLE);
+#endif
+ break;
+ case 2 | 4:
+#ifdef TARGET_WORDS_BIGENDIAN
+ /* ldsw [arg0], data_reg */
+ tcg_out_ldst(s, data_reg, arg0, 0, LDSW);
+#else
+ /* ldswa [arg0] ASI_PRIMARY_LITTLE, data_reg */
+ tcg_out_ldst_asi(s, data_reg, arg0, 0, LDSWA, ASI_PRIMARY_LITTLE);
+#endif
+ break;
+ case 3:
+#ifdef TARGET_WORDS_BIGENDIAN
+ /* ldx [arg0], data_reg */
+ tcg_out_ldst(s, data_reg, arg0, 0, LDX);
+#else
+ /* ldxa [arg0] ASI_PRIMARY_LITTLE, data_reg */
+ tcg_out_ldst_asi(s, data_reg, arg0, 0, LDXA, ASI_PRIMARY_LITTLE);
+#endif
+ break;
+ default:
+ tcg_abort();
+ }
+
+#if defined(CONFIG_SOFTMMU)
+ /* label2: */
+ *label2_ptr = (INSN_OP(0) | INSN_COND(COND_A, 0) | INSN_OP2(0x2) |
+ INSN_OFF22((unsigned long)s->code_ptr -
+ (unsigned long)label2_ptr));
+#endif
+}
+
+static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args,
+ int opc)
+{
+ int addr_reg, data_reg, arg0, arg1, arg2, mem_index, s_bits;
+#if defined(CONFIG_SOFTMMU)
+ uint32_t *label1_ptr, *label2_ptr;
+#endif
+
+ data_reg = *args++;
+ addr_reg = *args++;
+ mem_index = *args;
+
+ s_bits = opc;
+
+ arg0 = TCG_REG_O0;
+ arg1 = TCG_REG_O1;
+ arg2 = TCG_REG_O2;
+
+#if defined(CONFIG_SOFTMMU)
+ /* srl addr_reg, x, arg1 */
+ tcg_out_arithi(s, arg1, addr_reg, TARGET_PAGE_BITS - CPU_TLB_ENTRY_BITS,
+ SHIFT_SRL);
+
+ /* and addr_reg, x, arg0 */
+ tcg_out_arithi(s, arg0, addr_reg, TARGET_PAGE_MASK | ((1 << s_bits) - 1),
+ ARITH_AND);
+
+ /* and arg1, x, arg1 */
+ tcg_out_andi(s, arg1, (CPU_TLB_SIZE - 1) << CPU_TLB_ENTRY_BITS);
+
+ /* add arg1, x, arg1 */
+ tcg_out_addi(s, arg1, offsetof(CPUState,
+ tlb_table[mem_index][0].addr_write));
+
+ /* add env, arg1, arg1 */
+ tcg_out_arith(s, arg1, TCG_AREG0, arg1, ARITH_ADD);
+
+ /* ld [arg1], arg2 */
+ tcg_out32(s, TARGET_LD_OP | INSN_RD(arg2) | INSN_RS1(arg1) |
+ INSN_RS2(TCG_REG_G0));
+
+ /* subcc arg0, arg2, %g0 */
+ tcg_out_arith(s, TCG_REG_G0, arg0, arg2, ARITH_SUBCC);
+
+ /* will become:
+ be label1 */
+ label1_ptr = (uint32_t *)s->code_ptr;
+ tcg_out32(s, 0);
+
+ /* mov (delay slot) */
+ tcg_out_mov(s, arg0, addr_reg);
+
+ /* mov */
+ tcg_out_mov(s, arg1, data_reg);
+
+ /* mov */
+ tcg_out_movi(s, TCG_TYPE_I32, arg2, mem_index);
+
+ /* XXX: move that code at the end of the TB */
+ /* qemu_st_helper[s_bits](arg0, arg1, arg2) */
+ tcg_out32(s, CALL | ((((tcg_target_ulong)qemu_st_helpers[s_bits]
+ - (tcg_target_ulong)s->code_ptr) >> 2)
+ & 0x3fffffff));
+ /* Store AREG0 in stack to avoid ugly glibc bugs that mangle
+ global registers */
+ // delay slot
+ tcg_out_ldst(s, TCG_AREG0, TCG_REG_CALL_STACK,
+ TCG_TARGET_CALL_STACK_OFFSET - sizeof(long), HOST_ST_OP);
+ tcg_out_ldst(s, TCG_AREG0, TCG_REG_CALL_STACK,
+ TCG_TARGET_CALL_STACK_OFFSET - sizeof(long), HOST_LD_OP);
+
+ /* will become:
+ ba label2 */
+ label2_ptr = (uint32_t *)s->code_ptr;
+ tcg_out32(s, 0);
+
+ /* nop (delay slot) */
+ tcg_out_nop(s);
+
+ /* label1: */
+ *label1_ptr = (INSN_OP(0) | INSN_COND(COND_E, 0) | INSN_OP2(0x2) |
+ INSN_OFF22((unsigned long)s->code_ptr -
+ (unsigned long)label1_ptr));
+
+ /* ld [arg1 + x], arg1 */
+ tcg_out_ldst(s, arg1, arg1, offsetof(CPUTLBEntry, addend) -
+ offsetof(CPUTLBEntry, addr_write), TARGET_ADDEND_LD_OP);
+
+#if TARGET_LONG_BITS == 32
+ /* and addr_reg, x, arg0 */
+ tcg_out_movi(s, TCG_TYPE_I32, TCG_REG_I5, 0xffffffff);
+ tcg_out_arith(s, arg0, addr_reg, TCG_REG_I5, ARITH_AND);
+ /* add arg0, arg1, arg0 */
+ tcg_out_arith(s, arg0, arg0, arg1, ARITH_ADD);
+#else
+ /* add addr_reg, arg1, arg0 */
+ tcg_out_arith(s, arg0, addr_reg, arg1, ARITH_ADD);
+#endif
+
+#else
+ arg0 = addr_reg;
+#endif
+
+ switch(opc) {
+ case 0:
+ /* stb data_reg, [arg0] */
+ tcg_out_ldst(s, data_reg, arg0, 0, STB);
+ break;
+ case 1:
+#ifdef TARGET_WORDS_BIGENDIAN
+ /* sth data_reg, [arg0] */
+ tcg_out_ldst(s, data_reg, arg0, 0, STH);
+#else
+ /* stha data_reg, [arg0] ASI_PRIMARY_LITTLE */
+ tcg_out_ldst_asi(s, data_reg, arg0, 0, STHA, ASI_PRIMARY_LITTLE);
+#endif
+ break;
+ case 2:
+#ifdef TARGET_WORDS_BIGENDIAN
+ /* stw data_reg, [arg0] */
+ tcg_out_ldst(s, data_reg, arg0, 0, STW);
+#else
+ /* stwa data_reg, [arg0] ASI_PRIMARY_LITTLE */
+ tcg_out_ldst_asi(s, data_reg, arg0, 0, STWA, ASI_PRIMARY_LITTLE);
+#endif
+ break;
+ case 3:
+#ifdef TARGET_WORDS_BIGENDIAN
+ /* stx data_reg, [arg0] */
+ tcg_out_ldst(s, data_reg, arg0, 0, STX);
+#else
+ /* stxa data_reg, [arg0] ASI_PRIMARY_LITTLE */
+ tcg_out_ldst_asi(s, data_reg, arg0, 0, STXA, ASI_PRIMARY_LITTLE);
+#endif
+ break;
+ default:
+ tcg_abort();
+ }
+
+#if defined(CONFIG_SOFTMMU)
+ /* label2: */
+ *label2_ptr = (INSN_OP(0) | INSN_COND(COND_A, 0) | INSN_OP2(0x2) |
+ INSN_OFF22((unsigned long)s->code_ptr -
+ (unsigned long)label2_ptr));
+#endif
}
static inline void tcg_out_op(TCGContext *s, int opc, const TCGArg *args,
switch (opc) {
case INDEX_op_exit_tb:
- tcg_out_movi(s, TCG_TYPE_TL, TCG_REG_O0, args[0]);
- tcg_out32(s, JMPL | INSN_RD(TCG_REG_G0) | INSN_RS1(TCG_REG_O7) |
+ tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_I0, args[0]);
+ tcg_out32(s, JMPL | INSN_RD(TCG_REG_G0) | INSN_RS1(TCG_REG_I7) |
INSN_IMM13(8));
- tcg_out_nop(s);
+ tcg_out32(s, RESTORE | INSN_RD(TCG_REG_G0) | INSN_RS1(TCG_REG_G0) |
+ INSN_RS2(TCG_REG_G0));
break;
case INDEX_op_goto_tb:
if (s->tb_jmp_offset) {
/* direct jump method */
- tcg_out32(s, CALL | 0);
+ tcg_out_sethi(s, TCG_REG_I5, args[0] & 0xffffe000);
+ tcg_out32(s, JMPL | INSN_RD(TCG_REG_G0) | INSN_RS1(TCG_REG_I5) |
+ INSN_IMM13((args[0] & 0x1fff)));
s->tb_jmp_offset[args[0]] = s->code_ptr - s->code_buf;
- tcg_out_nop(s);
} else {
/* indirect jump method */
- tcg_out_ld_raw(s, TCG_REG_O7, (tcg_target_long)(s->tb_next + args[0]));
- tcg_out32(s, JMPL | INSN_RD(TCG_REG_O7) | INSN_RS1(TCG_REG_O7) |
+ tcg_out_ld_ptr(s, TCG_REG_I5, (tcg_target_long)(s->tb_next + args[0]));
+ tcg_out32(s, JMPL | INSN_RD(TCG_REG_G0) | INSN_RS1(TCG_REG_I5) |
INSN_RS2(TCG_REG_G0));
- tcg_out_nop(s);
}
+ tcg_out_nop(s);
s->tb_next_offset[args[0]] = s->code_ptr - s->code_buf;
break;
case INDEX_op_call:
- if (const_args[0]) {
+ if (const_args[0])
tcg_out32(s, CALL | ((((tcg_target_ulong)args[0]
- - (tcg_target_ulong)s->code_ptr) >> 2)
+ - (tcg_target_ulong)s->code_ptr) >> 2)
& 0x3fffffff));
- tcg_out_nop(s);
- } else {
- tcg_out_ld_raw(s, TCG_REG_O7, (tcg_target_long)(s->tb_next + args[0]));
- tcg_out32(s, JMPL | INSN_RD(TCG_REG_O7) | INSN_RS1(TCG_REG_O7) |
+ else {
+ tcg_out_ld_ptr(s, TCG_REG_I5,
+ (tcg_target_long)(s->tb_next + args[0]));
+ tcg_out32(s, JMPL | INSN_RD(TCG_REG_O7) | INSN_RS1(TCG_REG_I5) |
INSN_RS2(TCG_REG_G0));
- tcg_out_nop(s);
}
+ /* Store AREG0 in stack to avoid ugly glibc bugs that mangle
+ global registers */
+ // delay slot
+ tcg_out_ldst(s, TCG_AREG0, TCG_REG_CALL_STACK,
+ TCG_TARGET_CALL_STACK_OFFSET - sizeof(long), HOST_ST_OP);
+ tcg_out_ldst(s, TCG_AREG0, TCG_REG_CALL_STACK,
+ TCG_TARGET_CALL_STACK_OFFSET - sizeof(long), HOST_LD_OP);
break;
case INDEX_op_jmp:
- fprintf(stderr, "unimplemented jmp\n");
- break;
case INDEX_op_br:
- fprintf(stderr, "unimplemented br\n");
+ tcg_out_branch(s, COND_A, args[0]);
+ tcg_out_nop(s);
break;
case INDEX_op_movi_i32:
tcg_out_movi(s, TCG_TYPE_I32, args[0], (uint32_t)args[1]);
break;
case INDEX_op_ld_i32:
#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
- case INDEX_op_ld_i32u_i64:
+ case INDEX_op_ld32u_i64:
#endif
tcg_out_ldst(s, args[0], args[1], args[2], LDUW);
break;
break;
case INDEX_op_st_i32:
#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
- case INDEX_op_st_i32_i64:
+ case INDEX_op_st32_i64:
#endif
tcg_out_ldst(s, args[0], args[1], args[2], STW);
break;
+ OP_32_64(add);
+ c = ARITH_ADD;
+ goto gen_arith32;
OP_32_64(sub);
c = ARITH_SUB;
goto gen_arith32;
case INDEX_op_mul_i32:
c = ARITH_UMUL;
goto gen_arith32;
- OP_32_64(add);
- c = ARITH_ADD;
- gen_arith32:
- if (const_args[2]) {
- tcg_out_arithi(s, args[0], args[1], args[2], c);
- } else {
- tcg_out_arith(s, args[0], args[1], args[2], c);
- }
- break;
-
case INDEX_op_div2_i32:
#if defined(__sparc_v9__) || defined(__sparc_v8plus__)
c = ARITH_SDIVX;
#endif
case INDEX_op_brcond_i32:
- fprintf(stderr, "unimplemented brcond\n");
+ tcg_out_brcond(s, args[2], args[0], args[1], const_args[1],
+ args[3]);
break;
case INDEX_op_qemu_ld8u:
- fprintf(stderr, "unimplemented qld\n");
+ tcg_out_qemu_ld(s, args, 0);
break;
case INDEX_op_qemu_ld8s:
- fprintf(stderr, "unimplemented qld\n");
+ tcg_out_qemu_ld(s, args, 0 | 4);
break;
case INDEX_op_qemu_ld16u:
- fprintf(stderr, "unimplemented qld\n");
+ tcg_out_qemu_ld(s, args, 1);
break;
case INDEX_op_qemu_ld16s:
- fprintf(stderr, "unimplemented qld\n");
+ tcg_out_qemu_ld(s, args, 1 | 4);
break;
case INDEX_op_qemu_ld32u:
- fprintf(stderr, "unimplemented qld\n");
+ tcg_out_qemu_ld(s, args, 2);
break;
case INDEX_op_qemu_ld32s:
- fprintf(stderr, "unimplemented qld\n");
+ tcg_out_qemu_ld(s, args, 2 | 4);
break;
case INDEX_op_qemu_st8:
- fprintf(stderr, "unimplemented qst\n");
+ tcg_out_qemu_st(s, args, 0);
break;
case INDEX_op_qemu_st16:
- fprintf(stderr, "unimplemented qst\n");
+ tcg_out_qemu_st(s, args, 1);
break;
case INDEX_op_qemu_st32:
- fprintf(stderr, "unimplemented qst\n");
+ tcg_out_qemu_st(s, args, 2);
break;
#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
case INDEX_op_movi_i64:
tcg_out_movi(s, TCG_TYPE_I64, args[0], args[1]);
break;
+ case INDEX_op_ld32s_i64:
+ tcg_out_ldst(s, args[0], args[1], args[2], LDSW);
+ break;
case INDEX_op_ld_i64:
tcg_out_ldst(s, args[0], args[1], args[2], LDX);
break;
c = ARITH_MULX;
goto gen_arith32;
case INDEX_op_div2_i64:
- c = ARITH_DIVX;
+ c = ARITH_SDIVX;
goto gen_arith32;
case INDEX_op_divu2_i64:
c = ARITH_UDIVX;
goto gen_arith32;
case INDEX_op_brcond_i64:
- fprintf(stderr, "unimplemented brcond\n");
+ tcg_out_brcond(s, args[2], args[0], args[1], const_args[1],
+ args[3]);
break;
case INDEX_op_qemu_ld64:
- fprintf(stderr, "unimplemented qld\n");
+ tcg_out_qemu_ld(s, args, 3);
break;
case INDEX_op_qemu_st64:
- fprintf(stderr, "unimplemented qst\n");
+ tcg_out_qemu_st(s, args, 3);
break;
#endif
+ gen_arith32:
+ if (const_args[2]) {
+ tcg_out_arithi(s, args[0], args[1], args[2], c);
+ } else {
+ tcg_out_arith(s, args[0], args[1], args[2], c);
+ }
+ break;
+
default:
fprintf(stderr, "unknown opcode 0x%x\n", opc);
tcg_abort();
{ INDEX_op_st16_i32, { "r", "r" } },
{ INDEX_op_st_i32, { "r", "r" } },
- { INDEX_op_add_i32, { "r", "0", "rJ" } },
- { INDEX_op_mul_i32, { "r", "0", "rJ" } },
+ { INDEX_op_add_i32, { "r", "r", "rJ" } },
+ { INDEX_op_mul_i32, { "r", "r", "rJ" } },
{ INDEX_op_div2_i32, { "r", "r", "0", "1", "r" } },
{ INDEX_op_divu2_i32, { "r", "r", "0", "1", "r" } },
- { INDEX_op_sub_i32, { "r", "0", "rJ" } },
- { INDEX_op_and_i32, { "r", "0", "rJ" } },
- { INDEX_op_or_i32, { "r", "0", "rJ" } },
- { INDEX_op_xor_i32, { "r", "0", "rJ" } },
+ { INDEX_op_sub_i32, { "r", "r", "rJ" } },
+ { INDEX_op_and_i32, { "r", "r", "rJ" } },
+ { INDEX_op_or_i32, { "r", "r", "rJ" } },
+ { INDEX_op_xor_i32, { "r", "r", "rJ" } },
- { INDEX_op_shl_i32, { "r", "0", "rJ" } },
- { INDEX_op_shr_i32, { "r", "0", "rJ" } },
- { INDEX_op_sar_i32, { "r", "0", "rJ" } },
+ { INDEX_op_shl_i32, { "r", "r", "rJ" } },
+ { INDEX_op_shr_i32, { "r", "r", "rJ" } },
+ { INDEX_op_sar_i32, { "r", "r", "rJ" } },
{ INDEX_op_brcond_i32, { "r", "ri" } },
{ INDEX_op_st16_i64, { "r", "r" } },
{ INDEX_op_st32_i64, { "r", "r" } },
{ INDEX_op_st_i64, { "r", "r" } },
+ { INDEX_op_qemu_ld64, { "L", "L" } },
+ { INDEX_op_qemu_st64, { "L", "L" } },
- { INDEX_op_add_i64, { "r", "0", "rJ" } },
- { INDEX_op_mul_i64, { "r", "0", "rJ" } },
+ { INDEX_op_add_i64, { "r", "r", "rJ" } },
+ { INDEX_op_mul_i64, { "r", "r", "rJ" } },
{ INDEX_op_div2_i64, { "r", "r", "0", "1", "r" } },
{ INDEX_op_divu2_i64, { "r", "r", "0", "1", "r" } },
- { INDEX_op_sub_i64, { "r", "0", "rJ" } },
- { INDEX_op_and_i64, { "r", "0", "rJ" } },
- { INDEX_op_or_i64, { "r", "0", "rJ" } },
- { INDEX_op_xor_i64, { "r", "0", "rJ" } },
+ { INDEX_op_sub_i64, { "r", "r", "rJ" } },
+ { INDEX_op_and_i64, { "r", "r", "rJ" } },
+ { INDEX_op_or_i64, { "r", "r", "rJ" } },
+ { INDEX_op_xor_i64, { "r", "r", "rJ" } },
- { INDEX_op_shl_i64, { "r", "0", "rJ" } },
- { INDEX_op_shr_i64, { "r", "0", "rJ" } },
- { INDEX_op_sar_i64, { "r", "0", "rJ" } },
+ { INDEX_op_shl_i64, { "r", "r", "rJ" } },
+ { INDEX_op_shr_i64, { "r", "r", "rJ" } },
+ { INDEX_op_sar_i64, { "r", "r", "rJ" } },
{ INDEX_op_brcond_i64, { "r", "ri" } },
#endif
tcg_regset_set32(tcg_target_available_regs[TCG_TYPE_I64], 0, 0xffffffff);
#endif
tcg_regset_set32(tcg_target_call_clobber_regs, 0,
+ (1 << TCG_REG_G1) |
+ (1 << TCG_REG_G2) |
+ (1 << TCG_REG_G3) |
+ (1 << TCG_REG_G4) |
+ (1 << TCG_REG_G5) |
+ (1 << TCG_REG_G6) |
+ (1 << TCG_REG_G7) |
(1 << TCG_REG_O0) |
(1 << TCG_REG_O1) |
(1 << TCG_REG_O2) |
(1 << TCG_REG_O3) |
(1 << TCG_REG_O4) |
(1 << TCG_REG_O5) |
- (1 << TCG_REG_O6) |
(1 << TCG_REG_O7));
tcg_regset_clear(s->reserved_regs);
tcg_regset_set_reg(s->reserved_regs, TCG_REG_G0);
+#if defined(__sparc_v9__) && !defined(__sparc_v8plus__)
+ tcg_regset_set_reg(s->reserved_regs, TCG_REG_I4); // for internal use
+#endif
+ tcg_regset_set_reg(s->reserved_regs, TCG_REG_I5); // for internal use
tcg_regset_set_reg(s->reserved_regs, TCG_REG_I6);
tcg_regset_set_reg(s->reserved_regs, TCG_REG_I7);
tcg_regset_set_reg(s->reserved_regs, TCG_REG_O6);
projects / qemu.git / blobdiff