mirror of
https://gitlab.com/qemu-project/qemu
synced 2024-09-06 18:05:37 +00:00
tcg-ppc: Convert to le/be ldst helpers
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
parent
a058557381
commit
92d0acda27
|
@ -550,25 +550,31 @@ static void add_qemu_ldst_label (TCGContext *s,
|
|||
/* helper signature: helper_ret_ld_mmu(CPUState *env, target_ulong addr,
|
||||
* int mmu_idx, uintptr_t ra)
|
||||
*/
|
||||
static const void * const qemu_ld_helpers[4] = {
|
||||
helper_ret_ldub_mmu,
|
||||
helper_ret_lduw_mmu,
|
||||
helper_ret_ldul_mmu,
|
||||
helper_ret_ldq_mmu,
|
||||
static const void * const qemu_ld_helpers[16] = {
|
||||
[MO_UB] = helper_ret_ldub_mmu,
|
||||
[MO_LEUW] = helper_le_lduw_mmu,
|
||||
[MO_LEUL] = helper_le_ldul_mmu,
|
||||
[MO_LEQ] = helper_le_ldq_mmu,
|
||||
[MO_BEUW] = helper_be_lduw_mmu,
|
||||
[MO_BEUL] = helper_be_ldul_mmu,
|
||||
[MO_BEQ] = helper_be_ldq_mmu,
|
||||
};
|
||||
|
||||
/* helper signature: helper_ret_st_mmu(CPUState *env, target_ulong addr,
|
||||
* uintxx_t val, int mmu_idx, uintptr_t ra)
|
||||
*/
|
||||
static const void * const qemu_st_helpers[4] = {
|
||||
helper_ret_stb_mmu,
|
||||
helper_ret_stw_mmu,
|
||||
helper_ret_stl_mmu,
|
||||
helper_ret_stq_mmu,
|
||||
static const void * const qemu_st_helpers[16] = {
|
||||
[MO_UB] = helper_ret_stb_mmu,
|
||||
[MO_LEUW] = helper_le_stw_mmu,
|
||||
[MO_LEUL] = helper_le_stl_mmu,
|
||||
[MO_LEQ] = helper_le_stq_mmu,
|
||||
[MO_BEUW] = helper_be_stw_mmu,
|
||||
[MO_BEUL] = helper_be_stl_mmu,
|
||||
[MO_BEQ] = helper_be_stq_mmu,
|
||||
};
|
||||
|
||||
static void *ld_trampolines[4];
|
||||
static void *st_trampolines[4];
|
||||
static void *ld_trampolines[16];
|
||||
static void *st_trampolines[16];
|
||||
|
||||
/* Perform the TLB load and compare. Branches to the slow path, placing the
|
||||
address of the branch in *LABEL_PTR. Loads the addend of the TLB into R0.
|
||||
|
@ -783,7 +789,7 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg *args, TCGMemOp opc)
|
|||
static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *l)
|
||||
{
|
||||
TCGReg ir, datalo, datahi;
|
||||
TCGMemOp opc = l->opc & MO_SSIZE;
|
||||
TCGMemOp opc = l->opc;
|
||||
|
||||
reloc_pc14 (l->label_ptr[0], (uintptr_t)s->code_ptr);
|
||||
|
||||
|
@ -799,10 +805,10 @@ static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *l)
|
|||
}
|
||||
tcg_out_movi(s, TCG_TYPE_I32, ir++, l->mem_index);
|
||||
tcg_out32(s, MFSPR | RT(ir++) | LR);
|
||||
tcg_out_b(s, LK, (uintptr_t)ld_trampolines[opc & MO_SIZE]);
|
||||
tcg_out_b(s, LK, (uintptr_t)ld_trampolines[opc & ~MO_SIGN]);
|
||||
|
||||
datalo = l->datalo_reg;
|
||||
switch (opc) {
|
||||
switch (opc & MO_SSIZE) {
|
||||
case MO_SB:
|
||||
tcg_out32(s, EXTSB | RA(datalo) | RS(TCG_REG_R3));
|
||||
break;
|
||||
|
@ -833,7 +839,7 @@ static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *l)
|
|||
static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *l)
|
||||
{
|
||||
TCGReg ir, datalo;
|
||||
TCGMemOp s_bits = l->opc & MO_SIZE;
|
||||
TCGMemOp opc = l->opc;
|
||||
|
||||
reloc_pc14 (l->label_ptr[0], (tcg_target_long) s->code_ptr);
|
||||
|
||||
|
@ -849,7 +855,7 @@ static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *l)
|
|||
}
|
||||
|
||||
datalo = l->datalo_reg;
|
||||
switch (s_bits) {
|
||||
switch (opc & MO_SIZE) {
|
||||
case MO_8:
|
||||
tcg_out32(s, (RLWINM | RA (ir) | RS (datalo)
|
||||
| SH (0) | MB (24) | ME (31)));
|
||||
|
@ -873,7 +879,7 @@ static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *l)
|
|||
|
||||
tcg_out_movi(s, TCG_TYPE_I32, ir++, l->mem_index);
|
||||
tcg_out32(s, MFSPR | RT(ir++) | LR);
|
||||
tcg_out_b(s, LK, (uintptr_t)st_trampolines[l->opc]);
|
||||
tcg_out_b(s, LK, (uintptr_t)st_trampolines[opc]);
|
||||
tcg_out_b(s, 0, (uintptr_t)l->raddr);
|
||||
}
|
||||
#endif
|
||||
|
@ -948,12 +954,15 @@ static void tcg_target_qemu_prologue (TCGContext *s)
|
|||
tcg_out32 (s, BCLR | BO_ALWAYS);
|
||||
|
||||
#ifdef CONFIG_SOFTMMU
|
||||
for (i = 0; i < 4; ++i) {
|
||||
ld_trampolines[i] = s->code_ptr;
|
||||
emit_ldst_trampoline (s, qemu_ld_helpers[i]);
|
||||
|
||||
st_trampolines[i] = s->code_ptr;
|
||||
emit_ldst_trampoline (s, qemu_st_helpers[i]);
|
||||
for (i = 0; i < 16; ++i) {
|
||||
if (qemu_ld_helpers[i]) {
|
||||
ld_trampolines[i] = s->code_ptr;
|
||||
emit_ldst_trampoline(s, qemu_ld_helpers[i]);
|
||||
}
|
||||
if (qemu_st_helpers[i]) {
|
||||
st_trampolines[i] = s->code_ptr;
|
||||
emit_ldst_trampoline(s, qemu_st_helpers[i]);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue