OpenE2K/qemu-e2k
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target: e2k: Fix incorrect registers view in gdb after exception.

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This commit is contained in:
Denis Drakhnia 2020-12-13 19:15:56 +02:00
parent 8d17c54615
commit 0df8b48268
1 changed files with 11 additions and 3 deletions
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14
target/e2k/helper.c
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@ -113,7 +113,7 @@ static inline void proc_chain_restore(CPUE2KState *env)
e2k_state_cr1_hi_set(env, pcs_pop(env));
e2k_state_cr1_lo_set(env, pcs_pop(env));
env->cr0_hi = pcs_pop(env); // FIXME: is it necessary to restore ip?
env->cr0_hi = pcs_pop(env);
env->cr0_lo = pcs_pop(env);
sbr_pop(env);
}
@ -121,7 +121,7 @@ static inline void proc_chain_restore(CPUE2KState *env)
static inline void ps_spill(CPUE2KState *env, bool force, bool force_fx)
{
while (E2K_NR_COUNT < env->pshtp.index + env->wd.size ||
(force && env->pshtp.index))
(force && env->wd.size + env->pshtp.index))
{
int i = (E2K_NR_COUNT + env->wd.base - env->pshtp.index) % E2K_NR_COUNT;
ps_push(env, env->regs[i], env->tags[i]);
@ -203,10 +203,14 @@ void helper_return(CPUE2KState *env)
static inline void do_syscall(CPUE2KState *env, int call_wbs,
target_ulong pc_next)
{
CPUState *cs = env_cpu(env);
env->ip = pc_next;
env->syscall_wbs = call_wbs;
reset_ctprs(env);
helper_raise_exception(env, E2K_EXCP_SYSCALL);
cs->exception_index = E2K_EXCP_SYSCALL;
cpu_loop_exit(cs);
}
void helper_call(CPUE2KState *env, uint64_t ctpr_raw, int call_wbs,
@ -232,6 +236,10 @@ void helper_raise_exception(CPUE2KState *env, int tt)
{
CPUState *cs = env_cpu(env);
cs->exception_index = tt;
proc_chain_save(env, env->wd.size / 2);
ps_spill(env, true, true);
cpu_loop_exit(cs);
}