motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-02 07:13:54 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

target/xtensa: pass actual frame size to the entry helper

Browse source 
Currently 'entry' opcode helper accepts frame size divided by 8, as it
is encoded in the opcode. Make it more natural and accept actual frame
size instead.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
This commit is contained in:
Max Filippov 2017-02-07 02:43:12 -08:00
parent 0a0dc59d27
commit 2eb967c4e9
2 changed files with 2 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

2
target/xtensa/op_helper.c
View file

@ -249,7 +249,7 @@ void HELPER(entry)(CPUXtensaState *env, uint32_t pc, uint32_t s, uint32_t imm)
if (windowstart & ((1 << callinc) - 1)) {
HELPER(window_check)(env, pc, callinc);
}
env->regs[(callinc << 2) | (s & 3)] = env->regs[s] - (imm << 3);
env->regs[(callinc << 2) | (s & 3)] = env->regs[s] - imm;
rotate_window(env, callinc);
env->sregs[WINDOW_START] |=
windowstart_bit(env->sregs[WINDOW_BASE], env);

2
target/xtensa/translate.c
View file

@ -2830,7 +2830,7 @@ static void disas_xtensa_insn(CPUXtensaState *env, DisasContext *dc)
{
TCGv_i32 pc = tcg_const_i32(dc->pc);
TCGv_i32 s = tcg_const_i32(BRI12_S);
TCGv_i32 imm = tcg_const_i32(BRI12_IMM12);
TCGv_i32 imm = tcg_const_i32(BRI12_IMM12 << 3);
gen_helper_entry(cpu_env, pc, s, imm);
tcg_temp_free(imm);
tcg_temp_free(s);