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Partial support for 34K multithreading, not functional yet.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3156 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
ths 2007-09-06 00:18:15 +00:00
parent 606b41e702
commit ead9360e2f
18 changed files with 2305 additions and 826 deletions
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24
linux-user/main.c
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@ -1374,8 +1374,8 @@ void cpu_loop(CPUMIPSState *env)
trapnr = cpu_mips_exec(env);
switch(trapnr) {
case EXCP_SYSCALL:
syscall_num = env->gpr[2] - 4000;
env->PC += 4;
syscall_num = env->gpr[2][env->current_tc] - 4000;
env->PC[env->current_tc] += 4;
if (syscall_num >= sizeof(mips_syscall_args)) {
ret = -ENOSYS;
} else {
@ -1384,7 +1384,7 @@ void cpu_loop(CPUMIPSState *env)
target_ulong arg5 = 0, arg6 = 0, arg7 = 0, arg8 = 0;
nb_args = mips_syscall_args[syscall_num];
sp_reg = env->gpr[29];
sp_reg = env->gpr[29][env->current_tc];
switch (nb_args) {
/* these arguments are taken from the stack */
case 8: arg8 = tgetl(sp_reg + 28);
@ -1394,18 +1394,20 @@ void cpu_loop(CPUMIPSState *env)
default:
break;
}
ret = do_syscall(env, env->gpr[2],
env->gpr[4], env->gpr[5],
env->gpr[6], env->gpr[7],
ret = do_syscall(env, env->gpr[2][env->current_tc],
env->gpr[4][env->current_tc],
env->gpr[5][env->current_tc],
env->gpr[6][env->current_tc],
env->gpr[7][env->current_tc],
arg5, arg6/*, arg7, arg8*/);
}
if ((unsigned int)ret >= (unsigned int)(-1133)) {
env->gpr[7] = 1; /* error flag */
env->gpr[7][env->current_tc] = 1; /* error flag */
ret = -ret;
} else {
env->gpr[7] = 0; /* error flag */
env->gpr[7][env->current_tc] = 0; /* error flag */
}
env->gpr[2] = ret;
env->gpr[2][env->current_tc] = ret;
break;
case EXCP_TLBL:
case EXCP_TLBS:
@ -2053,9 +2055,9 @@ int main(int argc, char **argv)
cpu_mips_register(env, def);
for(i = 0; i < 32; i++) {
env->gpr[i] = regs->regs[i];
env->gpr[i][env->current_tc] = regs->regs[i];
}
env->PC = regs->cp0_epc;
env->PC[env->current_tc] = regs->cp0_epc;
}
#elif defined(TARGET_SH4)
{