We don't really deal in cf_mask most of the time. The one time it's relevant is when we want to remove an invalidated TB from the QHT lookup. Everywhere else we should be looking up things without CF_INVALID set. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20210224165811.11567-4-alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
173 lines
4 KiB
C
173 lines
4 KiB
C
/*
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* Tiny Code Generator for QEMU
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*
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* Copyright (c) 2008 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "qemu/osdep.h"
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#include "qemu/host-utils.h"
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#include "cpu.h"
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#include "exec/helper-proto.h"
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#include "exec/cpu_ldst.h"
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#include "exec/exec-all.h"
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#include "disas/disas.h"
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#include "exec/log.h"
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#include "tcg/tcg.h"
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#include "exec/tb-lookup.h"
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/* 32-bit helpers */
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int32_t HELPER(div_i32)(int32_t arg1, int32_t arg2)
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{
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return arg1 / arg2;
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}
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int32_t HELPER(rem_i32)(int32_t arg1, int32_t arg2)
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{
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return arg1 % arg2;
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}
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uint32_t HELPER(divu_i32)(uint32_t arg1, uint32_t arg2)
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{
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return arg1 / arg2;
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}
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uint32_t HELPER(remu_i32)(uint32_t arg1, uint32_t arg2)
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{
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return arg1 % arg2;
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}
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/* 64-bit helpers */
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uint64_t HELPER(shl_i64)(uint64_t arg1, uint64_t arg2)
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{
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return arg1 << arg2;
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}
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uint64_t HELPER(shr_i64)(uint64_t arg1, uint64_t arg2)
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{
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return arg1 >> arg2;
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}
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int64_t HELPER(sar_i64)(int64_t arg1, int64_t arg2)
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{
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return arg1 >> arg2;
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}
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int64_t HELPER(div_i64)(int64_t arg1, int64_t arg2)
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{
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return arg1 / arg2;
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}
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int64_t HELPER(rem_i64)(int64_t arg1, int64_t arg2)
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{
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return arg1 % arg2;
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}
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uint64_t HELPER(divu_i64)(uint64_t arg1, uint64_t arg2)
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{
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return arg1 / arg2;
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}
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uint64_t HELPER(remu_i64)(uint64_t arg1, uint64_t arg2)
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{
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return arg1 % arg2;
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}
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uint64_t HELPER(muluh_i64)(uint64_t arg1, uint64_t arg2)
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{
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uint64_t l, h;
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mulu64(&l, &h, arg1, arg2);
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return h;
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}
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int64_t HELPER(mulsh_i64)(int64_t arg1, int64_t arg2)
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{
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uint64_t l, h;
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muls64(&l, &h, arg1, arg2);
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return h;
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}
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uint32_t HELPER(clz_i32)(uint32_t arg, uint32_t zero_val)
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{
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return arg ? clz32(arg) : zero_val;
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}
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uint32_t HELPER(ctz_i32)(uint32_t arg, uint32_t zero_val)
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{
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return arg ? ctz32(arg) : zero_val;
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}
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uint64_t HELPER(clz_i64)(uint64_t arg, uint64_t zero_val)
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{
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return arg ? clz64(arg) : zero_val;
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}
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uint64_t HELPER(ctz_i64)(uint64_t arg, uint64_t zero_val)
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{
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return arg ? ctz64(arg) : zero_val;
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}
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uint32_t HELPER(clrsb_i32)(uint32_t arg)
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{
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return clrsb32(arg);
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}
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uint64_t HELPER(clrsb_i64)(uint64_t arg)
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{
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return clrsb64(arg);
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}
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uint32_t HELPER(ctpop_i32)(uint32_t arg)
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{
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return ctpop32(arg);
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}
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uint64_t HELPER(ctpop_i64)(uint64_t arg)
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{
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return ctpop64(arg);
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}
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const void *HELPER(lookup_tb_ptr)(CPUArchState *env)
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{
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CPUState *cpu = env_cpu(env);
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TranslationBlock *tb;
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target_ulong cs_base, pc;
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uint32_t flags;
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cpu_get_tb_cpu_state(env, &pc, &cs_base, &flags);
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tb = tb_lookup(cpu, pc, cs_base, flags, curr_cflags(cpu));
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if (tb == NULL) {
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return tcg_code_gen_epilogue;
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}
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qemu_log_mask_and_addr(CPU_LOG_EXEC, pc,
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"Chain %d: %p ["
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TARGET_FMT_lx "/" TARGET_FMT_lx "/%#x] %s\n",
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cpu->cpu_index, tb->tc.ptr, cs_base, pc, flags,
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lookup_symbol(pc));
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return tb->tc.ptr;
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}
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void HELPER(exit_atomic)(CPUArchState *env)
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{
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cpu_loop_exit_atomic(env_cpu(env), GETPC());
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}
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