diff options
Diffstat (limited to 'tcg/s390/tcg-target.c')
| -rw-r--r-- | tcg/s390/tcg-target.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/tcg/s390/tcg-target.c b/tcg/s390/tcg-target.c index 0132010..d91b894 100644 --- a/tcg/s390/tcg-target.c +++ b/tcg/s390/tcg-target.c @@ -2302,17 +2302,24 @@ static void tcg_target_init(TCGContext *s) tcg_regset_set_reg(s->reserved_regs, TCG_REG_CALL_STACK); tcg_add_target_add_op_defs(s390_op_defs); - tcg_set_frame(s, TCG_AREG0, offsetof(CPUArchState, temp_buf), - CPU_TEMP_BUF_NLONGS * sizeof(long)); } static void tcg_target_qemu_prologue(TCGContext *s) { + tcg_target_long frame_size; + /* stmg %r6,%r15,48(%r15) (save registers) */ tcg_out_insn(s, RXY, STMG, TCG_REG_R6, TCG_REG_R15, TCG_REG_R15, 48); - /* aghi %r15,-160 (stack frame) */ - tcg_out_insn(s, RI, AGHI, TCG_REG_R15, -160); + /* aghi %r15,-frame_size */ + frame_size = TCG_TARGET_CALL_STACK_OFFSET; + frame_size += TCG_STATIC_CALL_ARGS_SIZE; + frame_size += CPU_TEMP_BUF_NLONGS * sizeof(long); + tcg_out_insn(s, RI, AGHI, TCG_REG_R15, -frame_size); + + tcg_set_frame(s, TCG_REG_CALL_STACK, + TCG_STATIC_CALL_ARGS_SIZE + TCG_TARGET_CALL_STACK_OFFSET, + CPU_TEMP_BUF_NLONGS * sizeof(long)); if (GUEST_BASE >= 0x80000) { tcg_out_movi(s, TCG_TYPE_PTR, TCG_GUEST_BASE_REG, GUEST_BASE); @@ -2325,8 +2332,9 @@ static void tcg_target_qemu_prologue(TCGContext *s) tb_ret_addr = s->code_ptr; - /* lmg %r6,%r15,208(%r15) (restore registers) */ - tcg_out_insn(s, RXY, LMG, TCG_REG_R6, TCG_REG_R15, TCG_REG_R15, 208); + /* lmg %r6,%r15,fs+48(%r15) (restore registers) */ + tcg_out_insn(s, RXY, LMG, TCG_REG_R6, TCG_REG_R15, TCG_REG_R15, + frame_size + 48); /* br %r14 (return) */ tcg_out_insn(s, RR, BCR, S390_CC_ALWAYS, TCG_REG_R14); |
