u8 reg_hi = get_mult_div_hi(c);
jit_state_t *_jit = block->_jit;
jit_node_t *branch, *to_end;
- u8 lo, hi, rs, rt, rflags = 0;
+ u8 lo = 0, hi = 0, rs, rt, rflags = 0;
jit_note(__FILE__, __LINE__);
{
struct regcache *reg_cache = state->reg_cache;
jit_state_t *_jit = block->_jit;
- u8 tmp, tmp2, tmp3;
+ u8 tmp, tmp3;
if (with_arg)
tmp3 = lightrec_alloc_reg(reg_cache, _jit, JIT_R1);
- tmp2 = lightrec_alloc_reg(reg_cache, _jit, JIT_R0);
tmp = lightrec_alloc_reg_temp(reg_cache, _jit);
jit_ldxi(tmp, LIGHTREC_REG_STATE,
- offsetof(struct lightrec_state, c_wrapper));
- jit_ldxi(tmp2, LIGHTREC_REG_STATE,
- offsetof(struct lightrec_state, c_wrappers[wrapper]));
+ offsetof(struct lightrec_state, wrappers_eps[wrapper]));
if (with_arg)
jit_movi(tmp3, arg);
jit_callr(tmp);
lightrec_free_reg(reg_cache, tmp);
- lightrec_free_reg(reg_cache, tmp2);
if (with_arg)
lightrec_free_reg(reg_cache, tmp3);
lightrec_regcache_mark_live(reg_cache, _jit);
rec_break_syscall(state, block, offset, true);
}
-static void rec_mfc(struct lightrec_cstate *state,
- const struct block *block, u16 offset)
-{
- struct regcache *reg_cache = state->reg_cache;
- union code c = block->opcode_list[offset].c;
- jit_state_t *_jit = block->_jit;
-
- jit_note(__FILE__, __LINE__);
- lightrec_clean_reg_if_loaded(reg_cache, _jit, c.i.rt, true);
-
- call_to_c_wrapper(state, block, c.opcode, true, C_WRAPPER_MFC);
-}
-
-static void rec_mtc(struct lightrec_cstate *state,
- const struct block *block, u16 offset)
+static void rec_mtc(struct lightrec_cstate *state, const struct block *block, u16 offset)
{
struct regcache *reg_cache = state->reg_cache;
union code c = block->opcode_list[offset].c;
struct regcache *reg_cache = state->reg_cache;
const union code c = block->opcode_list[offset].c;
jit_state_t *_jit = block->_jit;
- u8 rt, tmp, tmp2, status;
+ u8 rt, tmp = 0, tmp2, status;
jit_note(__FILE__, __LINE__);
tmp = lightrec_alloc_reg_temp(reg_cache, _jit);
jit_ldxi_i(tmp, LIGHTREC_REG_STATE,
offsetof(struct lightrec_state, regs.cp0[13]));
+
+ tmp2 = lightrec_alloc_reg_temp(reg_cache, _jit);
}
if (c.r.rd == 12) {
status = rt;
} else if (c.r.rd == 13) {
- tmp2 = lightrec_alloc_reg_temp(reg_cache, _jit);
-
/* Cause = (Cause & ~0x0300) | (value & 0x0300) */
jit_andi(tmp2, rt, 0x0300);
jit_ori(tmp, tmp, 0x0300);
jit_andi(tmp, tmp, 0x0300);
jit_nei(tmp, tmp, 0);
jit_andr(tmp, tmp, status);
+ }
+
+ if (c.r.rd == 12) {
+ /* Exit dynarec in case we unmask a hardware interrupt.
+ * exit_flags = !(~status & 0x401) */
+
+ jit_comr(tmp2, status);
+ jit_andi(tmp2, tmp2, 0x401);
+ jit_eqi(tmp2, tmp2, 0);
+ jit_orr(tmp, tmp, tmp2);
+ }
+
+ if (c.r.rd == 12 || c.r.rd == 13) {
jit_stxi_i(offsetof(struct lightrec_state, exit_flags),
LIGHTREC_REG_STATE, tmp);
lightrec_free_reg(reg_cache, tmp);
- }
-
- if (c.r.rd == 13)
lightrec_free_reg(reg_cache, tmp2);
+ }
lightrec_free_reg(reg_cache, rt);
static void rec_cp2_basic_MFC2(struct lightrec_cstate *state,
const struct block *block, u16 offset)
{
+ struct regcache *reg_cache = state->reg_cache;
+ const union code c = block->opcode_list[offset].c;
+ jit_state_t *_jit = block->_jit;
+ const u32 zext_regs = 0x300f0080;
+ u8 rt, tmp, tmp2, tmp3, out, flags;
+ u8 reg = c.r.rd == 15 ? 14 : c.r.rd;
+ unsigned int i;
+
_jit_name(block->_jit, __func__);
- rec_mfc(state, block, offset);
+
+ flags = (zext_regs & BIT(reg)) ? REG_ZEXT : REG_EXT;
+ rt = lightrec_alloc_reg_out(reg_cache, _jit, c.r.rt, flags);
+
+ switch (reg) {
+ case 1:
+ case 3:
+ case 5:
+ case 8:
+ case 9:
+ case 10:
+ case 11:
+ jit_ldxi_s(rt, LIGHTREC_REG_STATE,
+ offsetof(struct lightrec_state, regs.cp2d[reg]));
+ break;
+ case 7:
+ case 16:
+ case 17:
+ case 18:
+ case 19:
+ jit_ldxi_us(rt, LIGHTREC_REG_STATE,
+ offsetof(struct lightrec_state, regs.cp2d[reg]));
+ break;
+ case 28:
+ case 29:
+ tmp = lightrec_alloc_reg_temp(reg_cache, _jit);
+ tmp2 = lightrec_alloc_reg_temp(reg_cache, _jit);
+ tmp3 = lightrec_alloc_reg_temp(reg_cache, _jit);
+
+ for (i = 0; i < 3; i++) {
+ out = i == 0 ? rt : tmp;
+
+ jit_ldxi_s(tmp, LIGHTREC_REG_STATE,
+ offsetof(struct lightrec_state, regs.cp2d[9 + i]));
+ jit_movi(tmp2, 0x1f);
+ jit_rshi(out, tmp, 7);
+
+ jit_ltr(tmp3, tmp2, out);
+ jit_movnr(out, tmp2, tmp3);
+
+ jit_gei(tmp2, out, 0);
+ jit_movzr(out, tmp2, tmp2);
+
+ if (i > 0) {
+ jit_lshi(tmp, tmp, 5 * i);
+ jit_orr(rt, rt, tmp);
+ }
+ }
+
+
+ lightrec_free_reg(reg_cache, tmp);
+ lightrec_free_reg(reg_cache, tmp2);
+ lightrec_free_reg(reg_cache, tmp3);
+ break;
+ default:
+ jit_ldxi_i(rt, LIGHTREC_REG_STATE,
+ offsetof(struct lightrec_state, regs.cp2d[reg]));
+ break;
+ }
+
+ lightrec_free_reg(reg_cache, rt);
}
static void rec_cp2_basic_CFC2(struct lightrec_cstate *state,
const struct block *block, u16 offset)
{
+ struct regcache *reg_cache = state->reg_cache;
+ const union code c = block->opcode_list[offset].c;
+ jit_state_t *_jit = block->_jit;
+ u8 rt;
+
_jit_name(block->_jit, __func__);
- rec_mfc(state, block, offset);
+
+ switch (c.r.rd) {
+ case 4:
+ case 12:
+ case 20:
+ case 26:
+ case 27:
+ case 29:
+ case 30:
+ rt = lightrec_alloc_reg_out(reg_cache, _jit, c.r.rt, REG_EXT);
+ jit_ldxi_s(rt, LIGHTREC_REG_STATE,
+ offsetof(struct lightrec_state, regs.cp2c[c.r.rd]));
+ break;
+ default:
+ rt = lightrec_alloc_reg_out(reg_cache, _jit, c.r.rt, REG_ZEXT);
+ jit_ldxi_i(rt, LIGHTREC_REG_STATE,
+ offsetof(struct lightrec_state, regs.cp2c[c.r.rd]));
+ break;
+ }
+
+ lightrec_free_reg(reg_cache, rt);
}
static void rec_cp2_basic_MTC2(struct lightrec_cstate *state,
const struct block *block, u16 offset)
{
+ struct regcache *reg_cache = state->reg_cache;
+ const union code c = block->opcode_list[offset].c;
+ jit_state_t *_jit = block->_jit;
+ jit_node_t *loop, *to_loop;
+ u8 rt, tmp, tmp2, flags = 0;
+
_jit_name(block->_jit, __func__);
- rec_mtc(state, block, offset);
+
+ if (c.r.rd == 31)
+ return;
+
+ if (c.r.rd == 30)
+ flags |= REG_EXT;
+
+ rt = lightrec_alloc_reg_in(reg_cache, _jit, c.r.rt, flags);
+
+ switch (c.r.rd) {
+ case 15:
+ tmp = lightrec_alloc_reg_temp(reg_cache, _jit);
+ jit_ldxi_i(tmp, LIGHTREC_REG_STATE,
+ offsetof(struct lightrec_state, regs.cp2d[13]));
+
+ tmp2 = lightrec_alloc_reg_temp(reg_cache, _jit);
+ jit_ldxi_i(tmp2, LIGHTREC_REG_STATE,
+ offsetof(struct lightrec_state, regs.cp2d[14]));
+
+ jit_stxi_i(offsetof(struct lightrec_state, regs.cp2d[12]),
+ LIGHTREC_REG_STATE, tmp);
+ jit_stxi_i(offsetof(struct lightrec_state, regs.cp2d[13]),
+ LIGHTREC_REG_STATE, tmp2);
+ jit_stxi_i(offsetof(struct lightrec_state, regs.cp2d[14]),
+ LIGHTREC_REG_STATE, rt);
+
+ lightrec_free_reg(reg_cache, tmp);
+ lightrec_free_reg(reg_cache, tmp2);
+ break;
+ case 28:
+ tmp = lightrec_alloc_reg_temp(reg_cache, _jit);
+
+ jit_lshi(tmp, rt, 7);
+ jit_andi(tmp, tmp, 0xf80);
+ jit_stxi_s(offsetof(struct lightrec_state, regs.cp2d[9]),
+ LIGHTREC_REG_STATE, tmp);
+
+ jit_lshi(tmp, rt, 2);
+ jit_andi(tmp, tmp, 0xf80);
+ jit_stxi_s(offsetof(struct lightrec_state, regs.cp2d[10]),
+ LIGHTREC_REG_STATE, tmp);
+
+ jit_rshi(tmp, rt, 3);
+ jit_andi(tmp, tmp, 0xf80);
+ jit_stxi_s(offsetof(struct lightrec_state, regs.cp2d[11]),
+ LIGHTREC_REG_STATE, tmp);
+
+ lightrec_free_reg(reg_cache, tmp);
+ break;
+ case 30:
+ tmp = lightrec_alloc_reg_temp(reg_cache, _jit);
+ tmp2 = lightrec_alloc_reg_temp(reg_cache, _jit);
+
+ /* if (rt < 0) rt = ~rt; */
+ jit_rshi(tmp, rt, 31);
+ jit_xorr(tmp, rt, tmp);
+
+ /* We know the sign bit is 0. Left-shift by 1 to start the algorithm */
+ jit_lshi(tmp, tmp, 1);
+ jit_movi(tmp2, 33);
+
+ /* Decrement tmp2 and right-shift the value by 1 until it equals zero */
+ loop = jit_label();
+ jit_subi(tmp2, tmp2, 1);
+ jit_rshi_u(tmp, tmp, 1);
+ to_loop = jit_bnei(tmp, 0);
+
+ jit_patch_at(to_loop, loop);
+
+ jit_stxi_i(offsetof(struct lightrec_state, regs.cp2d[31]),
+ LIGHTREC_REG_STATE, tmp2);
+ jit_stxi_i(offsetof(struct lightrec_state, regs.cp2d[30]),
+ LIGHTREC_REG_STATE, rt);
+
+ lightrec_free_reg(reg_cache, tmp);
+ lightrec_free_reg(reg_cache, tmp2);
+ break;
+ default:
+ jit_stxi_i(offsetof(struct lightrec_state, regs.cp2d[c.r.rd]),
+ LIGHTREC_REG_STATE, rt);
+ break;
+ }
+
+ lightrec_free_reg(reg_cache, rt);
}
static void rec_cp2_basic_CTC2(struct lightrec_cstate *state,
const struct block *block, u16 offset)
{
+ struct regcache *reg_cache = state->reg_cache;
+ const union code c = block->opcode_list[offset].c;
+ jit_state_t *_jit = block->_jit;
+ u8 rt, tmp, tmp2;
+
_jit_name(block->_jit, __func__);
- rec_mtc(state, block, offset);
+
+ rt = lightrec_alloc_reg_in(reg_cache, _jit, c.r.rt, 0);
+
+ switch (c.r.rd) {
+ case 4:
+ case 12:
+ case 20:
+ case 26:
+ case 27:
+ case 29:
+ case 30:
+ jit_stxi_s(offsetof(struct lightrec_state, regs.cp2c[c.r.rd]),
+ LIGHTREC_REG_STATE, rt);
+ break;
+ case 31:
+ tmp = lightrec_alloc_reg_temp(reg_cache, _jit);
+ tmp2 = lightrec_alloc_reg_temp(reg_cache, _jit);
+
+ jit_andi(tmp, rt, 0x7f87e000);
+ jit_nei(tmp, tmp, 0);
+ jit_lshi(tmp, tmp, 31);
+
+ jit_andi(tmp2, rt, 0x7ffff000);
+ jit_orr(tmp, tmp2, tmp);
+
+ jit_stxi_i(offsetof(struct lightrec_state, regs.cp2c[31]),
+ LIGHTREC_REG_STATE, tmp);
+
+ lightrec_free_reg(reg_cache, tmp);
+ lightrec_free_reg(reg_cache, tmp2);
+ break;
+
+ default:
+ jit_stxi_i(offsetof(struct lightrec_state, regs.cp2c[c.r.rd]),
+ LIGHTREC_REG_STATE, rt);
+ }
+
+ lightrec_free_reg(reg_cache, rt);
}
static void rec_cp0_RFE(struct lightrec_cstate *state,
notaz.gp2x.de / pcsx_rearmed.git / blobdiff