Revision ef0d51af
| b/target-ppc/helper.h | ||
|---|---|---|
| 170 | 170 |
DEF_HELPER_1(602_mfrom, tl, tl) |
| 171 | 171 |
#endif |
| 172 | 172 |
|
| 173 |
DEF_HELPER_3(dlmzb, tl, tl, tl, i32) |
|
| 174 |
|
|
| 173 | 175 |
#include "def-helper.h" |
| b/target-ppc/op.c | ||
|---|---|---|
| 706 | 706 |
|
| 707 | 707 |
/* SPR micro-ops */ |
| 708 | 708 |
/* 440 specific */ |
| 709 |
void OPPROTO op_440_dlmzb (void) |
|
| 710 |
{
|
|
| 711 |
do_440_dlmzb(); |
|
| 712 |
RETURN(); |
|
| 713 |
} |
|
| 714 |
|
|
| 715 |
void OPPROTO op_440_dlmzb_update_Rc (void) |
|
| 716 |
{
|
|
| 717 |
if (T0 == 8) |
|
| 718 |
T0 = 0x2; |
|
| 719 |
else if (T0 < 4) |
|
| 720 |
T0 = 0x4; |
|
| 721 |
else |
|
| 722 |
T0 = 0x8; |
|
| 723 |
RETURN(); |
|
| 724 |
} |
|
| 725 |
|
|
| 726 | 709 |
#if !defined(CONFIG_USER_ONLY) |
| 727 | 710 |
void OPPROTO op_store_pir (void) |
| 728 | 711 |
{
|
| b/target-ppc/op_helper.c | ||
|---|---|---|
| 1999 | 1999 |
#endif |
| 2000 | 2000 |
|
| 2001 | 2001 |
/* 440 specific */ |
| 2002 |
void do_440_dlmzb (void)
|
|
| 2002 |
target_ulong helper_dlmzb (target_ulong high, target_ulong low, uint32_t update_Rc)
|
|
| 2003 | 2003 |
{
|
| 2004 | 2004 |
target_ulong mask; |
| 2005 | 2005 |
int i; |
| 2006 | 2006 |
|
| 2007 | 2007 |
i = 1; |
| 2008 | 2008 |
for (mask = 0xFF000000; mask != 0; mask = mask >> 8) {
|
| 2009 |
if ((T0 & mask) == 0) |
|
| 2009 |
if ((high & mask) == 0) {
|
|
| 2010 |
if (update_Rc) {
|
|
| 2011 |
env->crf[0] = 0x4; |
|
| 2012 |
} |
|
| 2010 | 2013 |
goto done; |
| 2014 |
} |
|
| 2011 | 2015 |
i++; |
| 2012 | 2016 |
} |
| 2013 | 2017 |
for (mask = 0xFF000000; mask != 0; mask = mask >> 8) {
|
| 2014 |
if ((T1 & mask) == 0) |
|
| 2015 |
break; |
|
| 2018 |
if ((low & mask) == 0) {
|
|
| 2019 |
if (update_Rc) {
|
|
| 2020 |
env->crf[0] = 0x8; |
|
| 2021 |
} |
|
| 2022 |
goto done; |
|
| 2023 |
} |
|
| 2016 | 2024 |
i++; |
| 2017 | 2025 |
} |
| 2026 |
if (update_Rc) {
|
|
| 2027 |
env->crf[0] = 0x2; |
|
| 2028 |
} |
|
| 2018 | 2029 |
done: |
| 2019 |
T0 = i; |
|
| 2030 |
env->xer = (env->xer & ~0x7F) | i; |
|
| 2031 |
if (update_Rc) {
|
|
| 2032 |
env->crf[0] |= xer_so; |
|
| 2033 |
} |
|
| 2034 |
return i; |
|
| 2020 | 2035 |
} |
| 2021 | 2036 |
|
| 2022 | 2037 |
/*****************************************************************************/ |
| b/target-ppc/op_helper.h | ||
|---|---|---|
| 63 | 63 |
void do_4xx_tlbwe_hi (void); |
| 64 | 64 |
#endif |
| 65 | 65 |
|
| 66 |
/* PowerPC 440 specific helpers */ |
|
| 67 |
void do_440_dlmzb (void); |
|
| 68 |
|
|
| 69 | 66 |
/* PowerPC 403 specific helpers */ |
| 70 | 67 |
#if !defined(CONFIG_USER_ONLY) |
| 71 | 68 |
void do_load_403_pb (int num); |
| b/target-ppc/translate.c | ||
|---|---|---|
| 5747 | 5747 |
/* dlmzb */ |
| 5748 | 5748 |
GEN_HANDLER(dlmzb, 0x1F, 0x0E, 0x02, 0x00000000, PPC_440_SPEC) |
| 5749 | 5749 |
{
|
| 5750 |
tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rS(ctx->opcode)]); |
|
| 5751 |
tcg_gen_mov_tl(cpu_T[1], cpu_gpr[rB(ctx->opcode)]); |
|
| 5752 |
gen_op_440_dlmzb(); |
|
| 5753 |
tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]); |
|
| 5754 |
tcg_gen_andi_tl(cpu_xer, cpu_xer, ~0x7F); |
|
| 5755 |
tcg_gen_or_tl(cpu_xer, cpu_xer, cpu_T[0]); |
|
| 5756 |
if (Rc(ctx->opcode)) {
|
|
| 5757 |
gen_op_440_dlmzb_update_Rc(); |
|
| 5758 |
tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_T[0]); |
|
| 5759 |
tcg_gen_andi_i32(cpu_crf[0], cpu_crf[0], 0xf); |
|
| 5760 |
} |
|
| 5750 |
TCGv_i32 t0 = tcg_const_i32(Rc(ctx->opcode)); |
|
| 5751 |
gen_helper_dlmzb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], |
|
| 5752 |
cpu_gpr[rB(ctx->opcode)], t0); |
|
| 5753 |
tcg_temp_free_i32(t0); |
|
| 5761 | 5754 |
} |
| 5762 | 5755 |
|
| 5763 | 5756 |
/* mbar replaces eieio on 440 */ |
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