diff options
Diffstat (limited to 'target-cris/op_helper.c')
| -rw-r--r-- | target-cris/op_helper.c | 89 |
1 files changed, 44 insertions, 45 deletions
diff --git a/target-cris/op_helper.c b/target-cris/op_helper.c index ac7c98c8e..a7468d41c 100644 --- a/target-cris/op_helper.c +++ b/target-cris/op_helper.c @@ -19,7 +19,6 @@ */ #include "cpu.h" -#include "dyngen-exec.h" #include "mmu.h" #include "helper.h" #include "host-utils.h" @@ -55,17 +54,12 @@ /* Try to fill the TLB and return an exception if error. If retaddr is NULL, it means that the function was called in C code (i.e. not from generated code or from helper.c) */ -/* XXX: fix it to restore all registers */ -void tlb_fill(CPUCRISState *env1, target_ulong addr, int is_write, int mmu_idx, +void tlb_fill(CPUCRISState *env, target_ulong addr, int is_write, int mmu_idx, uintptr_t retaddr) { TranslationBlock *tb; - CPUCRISState *saved_env; int ret; - saved_env = env; - env = env1; - D_LOG("%s pc=%x tpc=%x ra=%p\n", __func__, env->pc, env->debug1, (void *)retaddr); ret = cpu_cris_handle_mmu_fault(env, addr, is_write, mmu_idx); @@ -79,23 +73,22 @@ void tlb_fill(CPUCRISState *env1, target_ulong addr, int is_write, int mmu_idx, cpu_restore_state(tb, env, retaddr); /* Evaluate flags after retranslation. */ - helper_top_evaluate_flags(); + helper_top_evaluate_flags(env); } } cpu_loop_exit(env); } - env = saved_env; } #endif -void helper_raise_exception(uint32_t index) +void helper_raise_exception(CPUCRISState *env, uint32_t index) { env->exception_index = index; cpu_loop_exit(env); } -void helper_tlb_flush_pid(uint32_t pid) +void helper_tlb_flush_pid(CPUCRISState *env, uint32_t pid) { #if !defined(CONFIG_USER_ONLY) pid &= 0xff; @@ -104,7 +97,7 @@ void helper_tlb_flush_pid(uint32_t pid) #endif } -void helper_spc_write(uint32_t new_spc) +void helper_spc_write(CPUCRISState *env, uint32_t new_spc) { #if !defined(CONFIG_USER_ONLY) tlb_flush_page(env, env->pregs[PR_SPC]); @@ -121,7 +114,7 @@ void helper_dump(uint32_t a0, uint32_t a1, uint32_t a2) #define EXTRACT_FIELD(src, start, end) \ (((src) >> start) & ((1 << (end - start + 1)) - 1)) -void helper_movl_sreg_reg (uint32_t sreg, uint32_t reg) +void helper_movl_sreg_reg(CPUCRISState *env, uint32_t sreg, uint32_t reg) { uint32_t srs; srs = env->pregs[PR_SRS]; @@ -171,7 +164,7 @@ void helper_movl_sreg_reg (uint32_t sreg, uint32_t reg) #endif } -void helper_movl_reg_sreg (uint32_t reg, uint32_t sreg) +void helper_movl_reg_sreg(CPUCRISState *env, uint32_t reg, uint32_t sreg) { uint32_t srs; env->pregs[PR_SRS] &= 3; @@ -216,7 +209,7 @@ static void cris_ccs_rshift(CPUCRISState *env) env->pregs[PR_CCS] = ccs; } -void helper_rfe(void) +void helper_rfe(CPUCRISState *env) { int rflag = env->pregs[PR_CCS] & R_FLAG; @@ -232,7 +225,7 @@ void helper_rfe(void) env->pregs[PR_CCS] |= P_FLAG; } -void helper_rfn(void) +void helper_rfn(CPUCRISState *env) { int rflag = env->pregs[PR_CCS] & R_FLAG; @@ -256,7 +249,7 @@ uint32_t helper_lz(uint32_t t0) return clz32(t0); } -uint32_t helper_btst(uint32_t t0, uint32_t t1, uint32_t ccs) +uint32_t helper_btst(CPUCRISState *env, uint32_t t0, uint32_t t1, uint32_t ccs) { /* FIXME: clean this up. */ @@ -284,7 +277,8 @@ uint32_t helper_btst(uint32_t t0, uint32_t t1, uint32_t ccs) return ccs; } -static inline uint32_t evaluate_flags_writeback(uint32_t flags, uint32_t ccs) +static inline uint32_t evaluate_flags_writeback(CPUCRISState *env, + uint32_t flags, uint32_t ccs) { unsigned int x, z, mask; @@ -303,7 +297,8 @@ static inline uint32_t evaluate_flags_writeback(uint32_t flags, uint32_t ccs) return ccs; } -uint32_t helper_evaluate_flags_muls(uint32_t ccs, uint32_t res, uint32_t mof) +uint32_t helper_evaluate_flags_muls(CPUCRISState *env, + uint32_t ccs, uint32_t res, uint32_t mof) { uint32_t flags = 0; int64_t tmp; @@ -321,10 +316,11 @@ uint32_t helper_evaluate_flags_muls(uint32_t ccs, uint32_t res, uint32_t mof) if ((dneg && mof != -1) || (!dneg && mof != 0)) flags |= V_FLAG; - return evaluate_flags_writeback(flags, ccs); + return evaluate_flags_writeback(env, flags, ccs); } -uint32_t helper_evaluate_flags_mulu(uint32_t ccs, uint32_t res, uint32_t mof) +uint32_t helper_evaluate_flags_mulu(CPUCRISState *env, + uint32_t ccs, uint32_t res, uint32_t mof) { uint32_t flags = 0; uint64_t tmp; @@ -339,10 +335,10 @@ uint32_t helper_evaluate_flags_mulu(uint32_t ccs, uint32_t res, uint32_t mof) if (mof) flags |= V_FLAG; - return evaluate_flags_writeback(flags, ccs); + return evaluate_flags_writeback(env, flags, ccs); } -uint32_t helper_evaluate_flags_mcp(uint32_t ccs, +uint32_t helper_evaluate_flags_mcp(CPUCRISState *env, uint32_t ccs, uint32_t src, uint32_t dst, uint32_t res) { uint32_t flags = 0; @@ -368,10 +364,10 @@ uint32_t helper_evaluate_flags_mcp(uint32_t ccs, flags |= R_FLAG; } - return evaluate_flags_writeback(flags, ccs); + return evaluate_flags_writeback(env, flags, ccs); } -uint32_t helper_evaluate_flags_alu_4(uint32_t ccs, +uint32_t helper_evaluate_flags_alu_4(CPUCRISState *env, uint32_t ccs, uint32_t src, uint32_t dst, uint32_t res) { uint32_t flags = 0; @@ -397,10 +393,10 @@ uint32_t helper_evaluate_flags_alu_4(uint32_t ccs, flags |= C_FLAG; } - return evaluate_flags_writeback(flags, ccs); + return evaluate_flags_writeback(env, flags, ccs); } -uint32_t helper_evaluate_flags_sub_4(uint32_t ccs, +uint32_t helper_evaluate_flags_sub_4(CPUCRISState *env, uint32_t ccs, uint32_t src, uint32_t dst, uint32_t res) { uint32_t flags = 0; @@ -427,10 +423,11 @@ uint32_t helper_evaluate_flags_sub_4(uint32_t ccs, } flags ^= C_FLAG; - return evaluate_flags_writeback(flags, ccs); + return evaluate_flags_writeback(env, flags, ccs); } -uint32_t helper_evaluate_flags_move_4(uint32_t ccs, uint32_t res) +uint32_t helper_evaluate_flags_move_4(CPUCRISState *env, + uint32_t ccs, uint32_t res) { uint32_t flags = 0; @@ -439,9 +436,10 @@ uint32_t helper_evaluate_flags_move_4(uint32_t ccs, uint32_t res) else if (res == 0L) flags |= Z_FLAG; - return evaluate_flags_writeback(flags, ccs); + return evaluate_flags_writeback(env, flags, ccs); } -uint32_t helper_evaluate_flags_move_2(uint32_t ccs, uint32_t res) +uint32_t helper_evaluate_flags_move_2(CPUCRISState *env, + uint32_t ccs, uint32_t res) { uint32_t flags = 0; @@ -450,12 +448,12 @@ uint32_t helper_evaluate_flags_move_2(uint32_t ccs, uint32_t res) else if (res == 0) flags |= Z_FLAG; - return evaluate_flags_writeback(flags, ccs); + return evaluate_flags_writeback(env, flags, ccs); } /* TODO: This is expensive. We could split things up and only evaluate part of CCR on a need to know basis. For now, we simply re-evaluate everything. */ -void helper_evaluate_flags(void) +void helper_evaluate_flags(CPUCRISState *env) { uint32_t src, dst, res; uint32_t flags = 0; @@ -571,25 +569,26 @@ void helper_evaluate_flags(void) if (env->cc_op == CC_OP_SUB || env->cc_op == CC_OP_CMP) flags ^= C_FLAG; - env->pregs[PR_CCS] = evaluate_flags_writeback(flags, env->pregs[PR_CCS]); + env->pregs[PR_CCS] = evaluate_flags_writeback(env, flags, + env->pregs[PR_CCS]); } -void helper_top_evaluate_flags(void) +void helper_top_evaluate_flags(CPUCRISState *env) { switch (env->cc_op) { case CC_OP_MCP: - env->pregs[PR_CCS] = helper_evaluate_flags_mcp( + env->pregs[PR_CCS] = helper_evaluate_flags_mcp(env, env->pregs[PR_CCS], env->cc_src, env->cc_dest, env->cc_result); break; case CC_OP_MULS: - env->pregs[PR_CCS] = helper_evaluate_flags_muls( + env->pregs[PR_CCS] = helper_evaluate_flags_muls(env, env->pregs[PR_CCS], env->cc_result, env->pregs[PR_MOF]); break; case CC_OP_MULU: - env->pregs[PR_CCS] = helper_evaluate_flags_mulu( + env->pregs[PR_CCS] = helper_evaluate_flags_mulu(env, env->pregs[PR_CCS], env->cc_result, env->pregs[PR_MOF]); break; @@ -604,18 +603,18 @@ void helper_top_evaluate_flags(void) { case 4: env->pregs[PR_CCS] = - helper_evaluate_flags_move_4( + helper_evaluate_flags_move_4(env, env->pregs[PR_CCS], env->cc_result); break; case 2: env->pregs[PR_CCS] = - helper_evaluate_flags_move_2( + helper_evaluate_flags_move_2(env, env->pregs[PR_CCS], env->cc_result); break; default: - helper_evaluate_flags(); + helper_evaluate_flags(env); break; } break; @@ -626,12 +625,12 @@ void helper_top_evaluate_flags(void) case CC_OP_CMP: if (env->cc_size == 4) env->pregs[PR_CCS] = - helper_evaluate_flags_sub_4( + helper_evaluate_flags_sub_4(env, env->pregs[PR_CCS], env->cc_src, env->cc_dest, env->cc_result); else - helper_evaluate_flags(); + helper_evaluate_flags(env); break; default: { @@ -639,13 +638,13 @@ void helper_top_evaluate_flags(void) { case 4: env->pregs[PR_CCS] = - helper_evaluate_flags_alu_4( + helper_evaluate_flags_alu_4(env, env->pregs[PR_CCS], env->cc_src, env->cc_dest, env->cc_result); break; default: - helper_evaluate_flags(); + helper_evaluate_flags(env); break; } } |