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fix static variables used in m68k

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This commit is contained in:
mio
2025-04-13 11:49:05 +08:00
parent aa86641e16
commit 334e83efd7
2 changed files with 10 additions and 9 deletions
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3
qemu/target/m68k/cpu.h
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@@ -147,6 +147,9 @@ typedef struct CPUM68KState {
/* Fields from here on are preserved across CPU reset. */
uint32_t features;
// translate opcode
void* opcode_table[65536];
// Unicorn engine
struct uc_struct *uc;
} CPUM68KState;

16
qemu/target/m68k/translate.c
View File

@@ -5996,10 +5996,8 @@ DISAS_INSN(to_mext)
gen_helper_set_mac_extu(tcg_ctx, tcg_ctx->cpu_env, val, acc);
}
static disas_proc opcode_table[65536];
static void
register_opcode (disas_proc proc, uint16_t opcode, uint16_t mask)
register_opcode (CPUM68KState *env, disas_proc proc, uint16_t opcode, uint16_t mask)
{
int i;
int from;
@@ -6029,7 +6027,7 @@ register_opcode (disas_proc proc, uint16_t opcode, uint16_t mask)
to = from + i;
for (i = from; i < to; i++) {
if ((i & mask) == opcode)
opcode_table[i] = proc;
env->opcode_table[i] = proc;
}
}
@@ -6043,16 +6041,16 @@ void register_m68k_insns (CPUM68KState *env)
* Build the opcode table only once to avoid
* multithreading issues.
*/
if (opcode_table[0] != NULL) {
return;
}
// if (opcode_table[0] != NULL) {
// return;
// }
/*
* use BASE() for instruction available
* for CF_ISA_A and M68000.
*/
#define BASE(name, opcode, mask) \
register_opcode(disas_##name, 0x##opcode, 0x##mask)
register_opcode(env, disas_##name, 0x##opcode, 0x##mask)
#define INSN(name, opcode, mask, feature) do { \
if (m68k_feature(env, M68K_FEATURE_##feature)) \
BASE(name, opcode, mask); \
@@ -6344,7 +6342,7 @@ static void m68k_tr_translate_insn(DisasContextBase *dcbase, CPUState *cpu)
insn = read_im16(env, dc);
opcode_table[insn](env, dc, insn);
((disas_proc)env->opcode_table[insn])(env, dc, insn);
do_writebacks(dc);
do_release(dc);