From 23ff6fa6a883d210aab33e09d0bb9470df5083fc Mon Sep 17 00:00:00 2001 From: Blue Swirl Date: Sun, 2 Sep 2012 07:42:33 +0000 Subject: [PATCH] target-unicore32: switch to AREG0 free mode Add an explicit CPUState parameter instead of relying on AREG0 and switch to AREG0 free mode. Tested-by: Guan Xuetao Signed-off-by: Blue Swirl Signed-off-by: Michael Roth --- configure | 2 +- target-unicore32/Makefile.objs | 2 -- target-unicore32/helper.h | 26 ++++++++--------- target-unicore32/op_helper.c | 65 ++++++++++++++++-------------------------- target-unicore32/translate.c | 38 ++++++++++++------------ 5 files changed, 58 insertions(+), 75 deletions(-) diff --git a/configure b/configure index af03942..a8827ba 100755 --- a/configure +++ b/configure @@ -3839,7 +3839,7 @@ symlink "$source_path/Makefile.target" "$target_dir/Makefile" case "$target_arch2" in - alpha | i386 | lm32 | m68k | or32 | s390x | sparc* | x86_64 | xtensa* | ppc*) + alpha | i386 | lm32 | m68k | or32 | s390x | sparc* | unicore32 | x86_64 | xtensa* | ppc*) echo "CONFIG_TCG_PASS_AREG0=y" >> $config_target_mak ;; esac diff --git a/target-unicore32/Makefile.objs b/target-unicore32/Makefile.objs index 777f01f..8e143da 100644 --- a/target-unicore32/Makefile.objs +++ b/target-unicore32/Makefile.objs @@ -2,5 +2,3 @@ obj-y += translate.o op_helper.o helper.o cpu.o obj-y += ucf64_helper.o obj-$(CONFIG_SOFTMMU) += machine.o softmmu.o - -$(obj)/op_helper.o: QEMU_CFLAGS += $(HELPER_CFLAGS) diff --git a/target-unicore32/helper.h b/target-unicore32/helper.h index 305318a..a4b8149 100644 --- a/target-unicore32/helper.h +++ b/target-unicore32/helper.h @@ -17,26 +17,26 @@ DEF_HELPER_1(cp1_putc, void, i32) DEF_HELPER_1(clz, i32, i32) DEF_HELPER_1(clo, i32, i32) -DEF_HELPER_1(exception, void, i32) +DEF_HELPER_2(exception, void, env, i32) -DEF_HELPER_2(asr_write, void, i32, i32) -DEF_HELPER_0(asr_read, i32) +DEF_HELPER_3(asr_write, void, env, i32, i32) +DEF_HELPER_1(asr_read, i32, env) -DEF_HELPER_1(get_user_reg, i32, i32) -DEF_HELPER_2(set_user_reg, void, i32, i32) +DEF_HELPER_2(get_user_reg, i32, env, i32) +DEF_HELPER_3(set_user_reg, void, env, i32, i32) -DEF_HELPER_2(add_cc, i32, i32, i32) -DEF_HELPER_2(adc_cc, i32, i32, i32) -DEF_HELPER_2(sub_cc, i32, i32, i32) -DEF_HELPER_2(sbc_cc, i32, i32, i32) +DEF_HELPER_3(add_cc, i32, env, i32, i32) +DEF_HELPER_3(adc_cc, i32, env, i32, i32) +DEF_HELPER_3(sub_cc, i32, env, i32, i32) +DEF_HELPER_3(sbc_cc, i32, env, i32, i32) DEF_HELPER_2(shl, i32, i32, i32) DEF_HELPER_2(shr, i32, i32, i32) DEF_HELPER_2(sar, i32, i32, i32) -DEF_HELPER_2(shl_cc, i32, i32, i32) -DEF_HELPER_2(shr_cc, i32, i32, i32) -DEF_HELPER_2(sar_cc, i32, i32, i32) -DEF_HELPER_2(ror_cc, i32, i32, i32) +DEF_HELPER_3(shl_cc, i32, env, i32, i32) +DEF_HELPER_3(shr_cc, i32, env, i32, i32) +DEF_HELPER_3(sar_cc, i32, env, i32, i32) +DEF_HELPER_3(ror_cc, i32, env, i32, i32) DEF_HELPER_1(ucf64_get_fpscr, i32, env) DEF_HELPER_2(ucf64_set_fpscr, void, env, i32) diff --git a/target-unicore32/op_helper.c b/target-unicore32/op_helper.c index c63789d..f474d1b 100644 --- a/target-unicore32/op_helper.c +++ b/target-unicore32/op_helper.c @@ -9,19 +9,18 @@ * later version. See the COPYING file in the top-level directory. */ #include "cpu.h" -#include "dyngen-exec.h" #include "helper.h" #define SIGNBIT (uint32_t)0x80000000 #define SIGNBIT64 ((uint64_t)1 << 63) -void HELPER(exception)(uint32_t excp) +void HELPER(exception)(CPUUniCore32State *env, uint32_t excp) { env->exception_index = excp; cpu_loop_exit(env); } -static target_ulong asr_read(void) +static target_ulong asr_read(CPUUniCore32State *env) { int ZF; ZF = (env->ZF == 0); @@ -29,24 +28,18 @@ static target_ulong asr_read(void) (env->CF << 29) | ((env->VF & 0x80000000) >> 3); } -target_ulong cpu_asr_read(CPUUniCore32State *env1) +target_ulong cpu_asr_read(CPUUniCore32State *env) { - CPUUniCore32State *saved_env; - target_ulong ret; - - saved_env = env; - env = env1; - ret = asr_read(); - env = saved_env; - return ret; + return asr_read(env); } -target_ulong HELPER(asr_read)(void) +target_ulong HELPER(asr_read)(CPUUniCore32State *env) { - return asr_read(); + return asr_read(env); } -static void asr_write(target_ulong val, target_ulong mask) +static void asr_write(CPUUniCore32State *env, target_ulong val, + target_ulong mask) { if (mask & ASR_NZCV) { env->ZF = (~val) & ASR_Z; @@ -62,23 +55,19 @@ static void asr_write(target_ulong val, target_ulong mask) env->uncached_asr = (env->uncached_asr & ~mask) | (val & mask); } -void cpu_asr_write(CPUUniCore32State *env1, target_ulong val, target_ulong mask) +void cpu_asr_write(CPUUniCore32State *env, target_ulong val, target_ulong mask) { - CPUUniCore32State *saved_env; - - saved_env = env; - env = env1; - asr_write(val, mask); - env = saved_env; + asr_write(env, val, mask); } -void HELPER(asr_write)(target_ulong val, target_ulong mask) +void HELPER(asr_write)(CPUUniCore32State *env, target_ulong val, + target_ulong mask) { - asr_write(val, mask); + asr_write(env, val, mask); } /* Access to user mode registers from privileged modes. */ -uint32_t HELPER(get_user_reg)(uint32_t regno) +uint32_t HELPER(get_user_reg)(CPUUniCore32State *env, uint32_t regno) { uint32_t val; @@ -92,7 +81,7 @@ uint32_t HELPER(get_user_reg)(uint32_t regno) return val; } -void HELPER(set_user_reg)(uint32_t regno, uint32_t val) +void HELPER(set_user_reg)(CPUUniCore32State *env, uint32_t regno, uint32_t val) { if (regno == 29) { env->banked_r29[0] = val; @@ -107,7 +96,7 @@ void HELPER(set_user_reg)(uint32_t regno, uint32_t val) The only way to do that in TCG is a conditional branch, which clobbers all our temporaries. For now implement these as helper functions. */ -uint32_t HELPER(add_cc)(uint32_t a, uint32_t b) +uint32_t HELPER(add_cc)(CPUUniCore32State *env, uint32_t a, uint32_t b) { uint32_t result; result = a + b; @@ -117,7 +106,7 @@ uint32_t HELPER(add_cc)(uint32_t a, uint32_t b) return result; } -uint32_t HELPER(adc_cc)(uint32_t a, uint32_t b) +uint32_t HELPER(adc_cc)(CPUUniCore32State *env, uint32_t a, uint32_t b) { uint32_t result; if (!env->CF) { @@ -132,7 +121,7 @@ uint32_t HELPER(adc_cc)(uint32_t a, uint32_t b) return result; } -uint32_t HELPER(sub_cc)(uint32_t a, uint32_t b) +uint32_t HELPER(sub_cc)(CPUUniCore32State *env, uint32_t a, uint32_t b) { uint32_t result; result = a - b; @@ -142,7 +131,7 @@ uint32_t HELPER(sub_cc)(uint32_t a, uint32_t b) return result; } -uint32_t HELPER(sbc_cc)(uint32_t a, uint32_t b) +uint32_t HELPER(sbc_cc)(CPUUniCore32State *env, uint32_t a, uint32_t b) { uint32_t result; if (!env->CF) { @@ -186,7 +175,7 @@ uint32_t HELPER(sar)(uint32_t x, uint32_t i) return (int32_t)x >> shift; } -uint32_t HELPER(shl_cc)(uint32_t x, uint32_t i) +uint32_t HELPER(shl_cc)(CPUUniCore32State *env, uint32_t x, uint32_t i) { int shift = i & 0xff; if (shift >= 32) { @@ -203,7 +192,7 @@ uint32_t HELPER(shl_cc)(uint32_t x, uint32_t i) return x; } -uint32_t HELPER(shr_cc)(uint32_t x, uint32_t i) +uint32_t HELPER(shr_cc)(CPUUniCore32State *env, uint32_t x, uint32_t i) { int shift = i & 0xff; if (shift >= 32) { @@ -220,7 +209,7 @@ uint32_t HELPER(shr_cc)(uint32_t x, uint32_t i) return x; } -uint32_t HELPER(sar_cc)(uint32_t x, uint32_t i) +uint32_t HELPER(sar_cc)(CPUUniCore32State *env, uint32_t x, uint32_t i) { int shift = i & 0xff; if (shift >= 32) { @@ -233,7 +222,7 @@ uint32_t HELPER(sar_cc)(uint32_t x, uint32_t i) return x; } -uint32_t HELPER(ror_cc)(uint32_t x, uint32_t i) +uint32_t HELPER(ror_cc)(CPUUniCore32State *env, uint32_t x, uint32_t i) { int shift1, shift; shift1 = i & 0xff; @@ -264,16 +253,13 @@ uint32_t HELPER(ror_cc)(uint32_t x, uint32_t i) #define SHIFT 3 #include "softmmu_template.h" -void tlb_fill(CPUUniCore32State *env1, target_ulong addr, int is_write, - int mmu_idx, uintptr_t retaddr) +void tlb_fill(CPUUniCore32State *env, target_ulong addr, int is_write, + int mmu_idx, uintptr_t retaddr) { TranslationBlock *tb; - CPUUniCore32State *saved_env; unsigned long pc; int ret; - saved_env = env; - env = env1; ret = uc32_cpu_handle_mmu_fault(env, addr, is_write, mmu_idx); if (unlikely(ret)) { if (retaddr) { @@ -287,6 +273,5 @@ void tlb_fill(CPUUniCore32State *env1, target_ulong addr, int is_write, } cpu_loop_exit(env); } - env = saved_env; } #endif diff --git a/target-unicore32/translate.c b/target-unicore32/translate.c index 188bf8c..b786a6b 100644 --- a/target-unicore32/translate.c +++ b/target-unicore32/translate.c @@ -253,7 +253,7 @@ static void disas_ocd_insn(CPUUniCore32State *env, DisasContext *s, static inline void gen_set_asr(TCGv var, uint32_t mask) { TCGv tmp_mask = tcg_const_i32(mask); - gen_helper_asr_write(var, tmp_mask); + gen_helper_asr_write(cpu_env, var, tmp_mask); tcg_temp_free_i32(tmp_mask); } /* Set NZCV flags from the high 4 bits of var. */ @@ -263,7 +263,7 @@ static void gen_exception(int excp) { TCGv tmp = new_tmp(); tcg_gen_movi_i32(tmp, excp); - gen_helper_exception(tmp); + gen_helper_exception(cpu_env, tmp); dead_tmp(tmp); } @@ -416,16 +416,16 @@ static inline void gen_uc32_shift_reg(TCGv var, int shiftop, if (flags) { switch (shiftop) { case 0: - gen_helper_shl_cc(var, var, shift); + gen_helper_shl_cc(var, cpu_env, var, shift); break; case 1: - gen_helper_shr_cc(var, var, shift); + gen_helper_shr_cc(var, cpu_env, var, shift); break; case 2: - gen_helper_sar_cc(var, var, shift); + gen_helper_sar_cc(var, cpu_env, var, shift); break; case 3: - gen_helper_ror_cc(var, var, shift); + gen_helper_ror_cc(var, cpu_env, var, shift); break; } } else { @@ -1323,11 +1323,11 @@ static void do_datap(CPUUniCore32State *env, DisasContext *s, uint32_t insn) if (IS_USER(s)) { ILLEGAL; } - gen_helper_sub_cc(tmp, tmp, tmp2); + gen_helper_sub_cc(tmp, cpu_env, tmp, tmp2); gen_exception_return(s, tmp); } else { if (UCOP_SET_S) { - gen_helper_sub_cc(tmp, tmp, tmp2); + gen_helper_sub_cc(tmp, cpu_env, tmp, tmp2); } else { tcg_gen_sub_i32(tmp, tmp, tmp2); } @@ -1336,7 +1336,7 @@ static void do_datap(CPUUniCore32State *env, DisasContext *s, uint32_t insn) break; case 0x03: if (UCOP_SET_S) { - gen_helper_sub_cc(tmp, tmp2, tmp); + gen_helper_sub_cc(tmp, cpu_env, tmp2, tmp); } else { tcg_gen_sub_i32(tmp, tmp2, tmp); } @@ -1344,7 +1344,7 @@ static void do_datap(CPUUniCore32State *env, DisasContext *s, uint32_t insn) break; case 0x04: if (UCOP_SET_S) { - gen_helper_add_cc(tmp, tmp, tmp2); + gen_helper_add_cc(tmp, cpu_env, tmp, tmp2); } else { tcg_gen_add_i32(tmp, tmp, tmp2); } @@ -1352,7 +1352,7 @@ static void do_datap(CPUUniCore32State *env, DisasContext *s, uint32_t insn) break; case 0x05: if (UCOP_SET_S) { - gen_helper_adc_cc(tmp, tmp, tmp2); + gen_helper_adc_cc(tmp, cpu_env, tmp, tmp2); } else { gen_add_carry(tmp, tmp, tmp2); } @@ -1360,7 +1360,7 @@ static void do_datap(CPUUniCore32State *env, DisasContext *s, uint32_t insn) break; case 0x06: if (UCOP_SET_S) { - gen_helper_sbc_cc(tmp, tmp, tmp2); + gen_helper_sbc_cc(tmp, cpu_env, tmp, tmp2); } else { gen_sub_carry(tmp, tmp, tmp2); } @@ -1368,7 +1368,7 @@ static void do_datap(CPUUniCore32State *env, DisasContext *s, uint32_t insn) break; case 0x07: if (UCOP_SET_S) { - gen_helper_sbc_cc(tmp, tmp2, tmp); + gen_helper_sbc_cc(tmp, cpu_env, tmp2, tmp); } else { gen_sub_carry(tmp, tmp2, tmp); } @@ -1390,13 +1390,13 @@ static void do_datap(CPUUniCore32State *env, DisasContext *s, uint32_t insn) break; case 0x0a: if (UCOP_SET_S) { - gen_helper_sub_cc(tmp, tmp, tmp2); + gen_helper_sub_cc(tmp, cpu_env, tmp, tmp2); } dead_tmp(tmp); break; case 0x0b: if (UCOP_SET_S) { - gen_helper_add_cc(tmp, tmp, tmp2); + gen_helper_add_cc(tmp, cpu_env, tmp, tmp2); } dead_tmp(tmp); break; @@ -1536,7 +1536,7 @@ static void do_misc(CPUUniCore32State *env, DisasContext *s, uint32_t insn) tmp = load_cpu_field(bsr); } else { tmp = new_tmp(); - gen_helper_asr_read(tmp); + gen_helper_asr_read(tmp, cpu_env); } store_reg(s, UCOP_REG_D, tmp); return; @@ -1760,7 +1760,7 @@ static void do_ldst_m(CPUUniCore32State *env, DisasContext *s, uint32_t insn) gen_bx(s, tmp); } else if (user) { tmp2 = tcg_const_i32(reg); - gen_helper_set_user_reg(tmp2, tmp); + gen_helper_set_user_reg(cpu_env, tmp2, tmp); tcg_temp_free_i32(tmp2); dead_tmp(tmp); } else if (reg == UCOP_REG_N) { @@ -1778,7 +1778,7 @@ static void do_ldst_m(CPUUniCore32State *env, DisasContext *s, uint32_t insn) } else if (user) { tmp = new_tmp(); tmp2 = tcg_const_i32(reg); - gen_helper_get_user_reg(tmp, tmp2); + gen_helper_get_user_reg(tmp, cpu_env, tmp2); tcg_temp_free_i32(tmp2); } else { tmp = load_reg(s, reg); @@ -1861,7 +1861,7 @@ static void disas_uc32_insn(CPUUniCore32State *env, DisasContext *s) { unsigned int insn; - insn = ldl_code(s->pc); + insn = cpu_ldl_code(env, s->pc); s->pc += 4; /* UniCore instructions class: -- 1.7.12.1