diff options
Diffstat (limited to 'tcg/hppa/tcg-target.c')
-rw-r--r-- | tcg/hppa/tcg-target.c | 163 |
1 files changed, 140 insertions, 23 deletions
diff --git a/tcg/hppa/tcg-target.c b/tcg/hppa/tcg-target.c index 59d4d12ba6..2885212e3a 100644 --- a/tcg/hppa/tcg-target.c +++ b/tcg/hppa/tcg-target.c @@ -336,7 +336,7 @@ static int tcg_target_const_match(tcg_target_long val, #define INSN_COMIBF (INSN_OP(0x23)) /* supplied by libgcc */ -extern void *__canonicalize_funcptr_for_compare(void *); +extern void *__canonicalize_funcptr_for_compare(const void *); static void tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg) { @@ -628,7 +628,7 @@ static void tcg_out_bswap32(TCGContext *s, int ret, int arg, int temp) tcg_out_shd(s, ret, arg, temp, 8); /* ret = DCBA */ } -static void tcg_out_call(TCGContext *s, void *func) +static void tcg_out_call(TCGContext *s, const void *func) { tcg_target_long val, hi, lo, disp; @@ -882,6 +882,27 @@ static void tcg_out_setcond2(TCGContext *s, int cond, TCGArg ret, #if defined(CONFIG_SOFTMMU) #include "../../softmmu_defs.h" +#ifdef CONFIG_TCG_PASS_AREG0 +/* helper signature: helper_ld_mmu(CPUState *env, target_ulong addr, + int mmu_idx) */ +static const void * const qemu_ld_helpers[4] = { + helper_ldb_mmu, + helper_ldw_mmu, + helper_ldl_mmu, + helper_ldq_mmu, +}; + +/* helper signature: helper_st_mmu(CPUState *env, target_ulong addr, + uintxx_t val, int mmu_idx) */ +static const void * const qemu_st_helpers[4] = { + helper_stb_mmu, + helper_stw_mmu, + helper_stl_mmu, + helper_stq_mmu, +}; +#else +/* legacy helper signature: __ld_mmu(target_ulong addr, int + mmu_idx) */ static void *qemu_ld_helpers[4] = { __ldb_mmu, __ldw_mmu, @@ -889,12 +910,15 @@ static void *qemu_ld_helpers[4] = { __ldq_mmu, }; +/* legacy helper signature: __st_mmu(target_ulong addr, uintxx_t val, + int mmu_idx) */ static void *qemu_st_helpers[4] = { __stb_mmu, __stw_mmu, __stl_mmu, __stq_mmu, }; +#endif /* Load and compare a TLB entry, and branch if TLB miss. OFFSET is set to the offset of the first ADDR_READ or ADDR_WRITE member of the appropriate @@ -1040,19 +1064,19 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, int opc) lab1 = gen_new_label(); lab2 = gen_new_label(); - offset = offsetof(CPUState, tlb_table[mem_index][0].addr_read); + offset = offsetof(CPUArchState, tlb_table[mem_index][0].addr_read); offset = tcg_out_tlb_read(s, TCG_REG_R26, TCG_REG_R25, addrlo_reg, addrhi_reg, opc & 3, lab1, offset); /* TLB Hit. */ tcg_out_ld(s, TCG_TYPE_PTR, TCG_REG_R20, (offset ? TCG_REG_R1 : TCG_REG_R25), - offsetof(CPUState, tlb_table[mem_index][0].addend) - offset); + offsetof(CPUArchState, tlb_table[mem_index][0].addend) - offset); tcg_out_qemu_ld_direct(s, datalo_reg, datahi_reg, addrlo_reg, TCG_REG_R20, opc); tcg_out_branch(s, lab2, 1); /* TLB Miss. */ /* label1: */ - tcg_out_label(s, lab1, (tcg_target_long)s->code_ptr); + tcg_out_label(s, lab1, s->code_ptr); argreg = TCG_REG_R26; tcg_out_mov(s, TCG_TYPE_I32, argreg--, addrlo_reg); @@ -1061,6 +1085,15 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, int opc) } tcg_out_movi(s, TCG_TYPE_I32, argreg, mem_index); +#ifdef CONFIG_TCG_PASS_AREG0 + /* XXX/FIXME: suboptimal */ + tcg_out_mov(s, TCG_TYPE_I32, tcg_target_call_iarg_regs[2], + tcg_target_call_iarg_regs[1]); + tcg_out_mov(s, TCG_TYPE_TL, tcg_target_call_iarg_regs[1], + tcg_target_call_iarg_regs[0]); + tcg_out_mov(s, TCG_TYPE_PTR, tcg_target_call_iarg_regs[0], + TCG_AREG0); +#endif tcg_out_call(s, qemu_ld_helpers[opc & 3]); switch (opc) { @@ -1089,7 +1122,7 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg *args, int opc) } /* label2: */ - tcg_out_label(s, lab2, (tcg_target_long)s->code_ptr); + tcg_out_label(s, lab2, s->code_ptr); #else tcg_out_qemu_ld_direct(s, datalo_reg, datahi_reg, addrlo_reg, (GUEST_BASE ? TCG_GUEST_BASE_REG : TCG_REG_R0), opc); @@ -1155,13 +1188,13 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, int opc) lab1 = gen_new_label(); lab2 = gen_new_label(); - offset = offsetof(CPUState, tlb_table[mem_index][0].addr_write); + offset = offsetof(CPUArchState, tlb_table[mem_index][0].addr_write); offset = tcg_out_tlb_read(s, TCG_REG_R26, TCG_REG_R25, addrlo_reg, addrhi_reg, opc, lab1, offset); /* TLB Hit. */ tcg_out_ld(s, TCG_TYPE_PTR, TCG_REG_R20, (offset ? TCG_REG_R1 : TCG_REG_R25), - offsetof(CPUState, tlb_table[mem_index][0].addend) - offset); + offsetof(CPUArchState, tlb_table[mem_index][0].addend) - offset); /* There are no indexed stores, so we must do this addition explitly. Careful to avoid R20, which is used for the bswaps to follow. */ @@ -1171,7 +1204,7 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, int opc) /* TLB Miss. */ /* label1: */ - tcg_out_label(s, lab1, (tcg_target_long)s->code_ptr); + tcg_out_label(s, lab1, s->code_ptr); argreg = TCG_REG_R26; tcg_out_mov(s, TCG_TYPE_I32, argreg--, addrlo_reg); @@ -1212,10 +1245,21 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, int opc) tcg_abort(); } +#ifdef CONFIG_TCG_PASS_AREG0 + /* XXX/FIXME: suboptimal */ + tcg_out_mov(s, TCG_TYPE_I32, tcg_target_call_iarg_regs[3], + tcg_target_call_iarg_regs[2]); + tcg_out_mov(s, TCG_TYPE_I64, tcg_target_call_iarg_regs[2], + tcg_target_call_iarg_regs[1]); + tcg_out_mov(s, TCG_TYPE_TL, tcg_target_call_iarg_regs[1], + tcg_target_call_iarg_regs[0]); + tcg_out_mov(s, TCG_TYPE_PTR, tcg_target_call_iarg_regs[0], + TCG_AREG0); +#endif tcg_out_call(s, qemu_st_helpers[opc]); /* label2: */ - tcg_out_label(s, lab2, (tcg_target_long)s->code_ptr); + tcg_out_label(s, lab2, s->code_ptr); #else /* There are no indexed stores, so if GUEST_BASE is set we must do the add explicitly. Careful to avoid R20, which is used for the bswaps to follow. */ @@ -1617,23 +1661,18 @@ static int tcg_target_callee_save_regs[] = { TCG_REG_R18 }; +#define FRAME_SIZE ((-TCG_TARGET_CALL_STACK_OFFSET \ + + TCG_TARGET_STATIC_CALL_ARGS_SIZE \ + + ARRAY_SIZE(tcg_target_callee_save_regs) * 4 \ + + CPU_TEMP_BUF_NLONGS * sizeof(long) \ + + TCG_TARGET_STACK_ALIGN - 1) \ + & -TCG_TARGET_STACK_ALIGN) + static void tcg_target_qemu_prologue(TCGContext *s) { int frame_size, i; - /* Allocate space for the fixed frame marker. */ - frame_size = -TCG_TARGET_CALL_STACK_OFFSET; - frame_size += TCG_TARGET_STATIC_CALL_ARGS_SIZE; - - /* Allocate space for the saved registers. */ - frame_size += ARRAY_SIZE(tcg_target_callee_save_regs) * 4; - - /* Allocate space for the TCG temps. */ - frame_size += CPU_TEMP_BUF_NLONGS * sizeof(long); - - /* Align the allocated space. */ - frame_size = ((frame_size + TCG_TARGET_STACK_ALIGN - 1) - & -TCG_TARGET_STACK_ALIGN); + frame_size = FRAME_SIZE; /* The return address is stored in the caller's frame. */ tcg_out_st(s, TCG_TYPE_PTR, TCG_REG_RP, TCG_REG_CALL_STACK, -20); @@ -1708,3 +1747,81 @@ static void tcg_target_init(TCGContext *s) tcg_add_target_add_op_defs(hppa_op_defs); } + +typedef struct { + uint32_t len __attribute__((aligned((sizeof(void *))))); + uint32_t id; + uint8_t version; + char augmentation[1]; + uint8_t code_align; + uint8_t data_align; + uint8_t return_column; +} DebugFrameCIE; + +typedef struct { + uint32_t len __attribute__((aligned((sizeof(void *))))); + uint32_t cie_offset; + tcg_target_long func_start __attribute__((packed)); + tcg_target_long func_len __attribute__((packed)); + uint8_t def_cfa[4]; + uint8_t ret_ofs[3]; + uint8_t reg_ofs[ARRAY_SIZE(tcg_target_callee_save_regs) * 2]; +} DebugFrameFDE; + +typedef struct { + DebugFrameCIE cie; + DebugFrameFDE fde; +} DebugFrame; + +#define ELF_HOST_MACHINE EM_PARISC +#define ELF_HOST_FLAGS EFA_PARISC_1_1 + +/* ??? BFD (and thus GDB) wants very much to distinguish between HPUX + and other extensions. We don't really care, but if we don't set this + to *something* then the object file won't be properly matched. */ +#define ELF_OSABI ELFOSABI_LINUX + +static DebugFrame debug_frame = { + .cie.len = sizeof(DebugFrameCIE)-4, /* length after .len member */ + .cie.id = -1, + .cie.version = 1, + .cie.code_align = 1, + .cie.data_align = 1, + .cie.return_column = 2, + + .fde.len = sizeof(DebugFrameFDE)-4, /* length after .len member */ + .fde.def_cfa = { + 0x12, 30, /* DW_CFA_def_cfa_sf sp, ... */ + (-FRAME_SIZE & 0x7f) | 0x80, /* ... sleb128 -FRAME_SIZE */ + (-FRAME_SIZE >> 7) & 0x7f + }, + .fde.ret_ofs = { + 0x11, 2, (-20 / 4) & 0x7f /* DW_CFA_offset_extended_sf r2, 20 */ + }, + .fde.reg_ofs = { + /* This must match the ordering in tcg_target_callee_save_regs. */ + 0x80 + 4, 0, /* DW_CFA_offset r4, 0 */ + 0x80 + 5, 4, /* DW_CFA_offset r5, 4 */ + 0x80 + 6, 8, /* DW_CFA_offset r6, 8 */ + 0x80 + 7, 12, /* ... */ + 0x80 + 8, 16, + 0x80 + 9, 20, + 0x80 + 10, 24, + 0x80 + 11, 28, + 0x80 + 12, 32, + 0x80 + 13, 36, + 0x80 + 14, 40, + 0x80 + 15, 44, + 0x80 + 16, 48, + 0x80 + 17, 52, + 0x80 + 18, 56, + } +}; + +void tcg_register_jit(void *buf, size_t buf_size) +{ + debug_frame.fde.func_start = (tcg_target_long) buf; + debug_frame.fde.func_len = buf_size; + + tcg_register_jit_int(buf, buf_size, &debug_frame, sizeof(debug_frame)); +} |