}
if (offset + !!(op->flags & LIGHTREC_NO_DS) < block->nb_ops - 1)
- state->branches[state->nb_branches++] = jit_jmpi();
+ state->branches[state->nb_branches++] = jit_b();
}
void lightrec_emit_eob(struct lightrec_cstate *state, const struct block *block,
jit_movi(JIT_V0, block->pc + (offset << 2));
jit_subi(LIGHTREC_REG_CYCLE, LIGHTREC_REG_CYCLE, cycles);
- state->branches[state->nb_branches++] = jit_jmpi();
+ state->branches[state->nb_branches++] = jit_b();
}
static u8 get_jr_jalr_reg(struct lightrec_cstate *state, const struct block *block, u16 offset)
{
struct regcache *reg_cache = state->reg_cache;
jit_state_t *_jit = block->_jit;
- const struct opcode *op = &block->opcode_list[offset],
- *next = &block->opcode_list[offset + 1];
- u8 rs = lightrec_request_reg_in(reg_cache, _jit, op->r.rs, JIT_V0);
-
- /* If the source register is already mapped to JIT_R0 or JIT_R1, and the
- * delay slot is a I/O operation, unload the register, since JIT_R0 and
- * JIT_R1 are explicitely used by the I/O opcode generators. */
- if ((rs == JIT_R0 || rs == JIT_R1) &&
- !(op->flags & LIGHTREC_NO_DS) &&
- opcode_is_io(next->c) &&
- !(next->flags & (LIGHTREC_NO_INVALIDATE | LIGHTREC_DIRECT_IO))) {
- lightrec_unload_reg(reg_cache, _jit, rs);
- lightrec_free_reg(reg_cache, rs);
-
- rs = lightrec_request_reg_in(reg_cache, _jit, op->r.rs, JIT_V0);
- }
+ const struct opcode *op = &block->opcode_list[offset];
+ u8 rs;
+ rs = lightrec_request_reg_in(reg_cache, _jit, op->r.rs, JIT_V0);
lightrec_lock_reg(reg_cache, _jit, rs);
return rs;
branch->target = target_offset;
if (is_forward)
- branch->branch = jit_jmpi();
+ branch->branch = jit_b();
else
branch->branch = jit_bgti(LIGHTREC_REG_CYCLE, 0);
}
}
if (!no_check) {
- lightrec_regcache_mark_live(reg_cache, _jit);
-
/* Jump above the div-by-zero handler */
- to_end = jit_jmpi();
+ to_end = jit_b();
jit_patch(branch);
{
struct regcache *reg_cache = state->reg_cache;
jit_state_t *_jit = block->_jit;
- u8 tmp, tmp3;
+ u8 tmp, tmp2;
- if (with_arg)
- tmp3 = lightrec_alloc_reg(reg_cache, _jit, JIT_R1);
tmp = lightrec_alloc_reg_temp(reg_cache, _jit);
-
jit_ldxi(tmp, LIGHTREC_REG_STATE,
offsetof(struct lightrec_state, wrappers_eps[wrapper]));
- if (with_arg)
- jit_movi(tmp3, arg);
+ if (with_arg) {
+ tmp2 = lightrec_alloc_reg_temp(reg_cache, _jit);
+ jit_movi(tmp2, arg);
+
+ jit_stxi_i(offsetof(struct lightrec_state, c_wrapper_arg),
+ LIGHTREC_REG_STATE, tmp2);
+
+ lightrec_free_reg(reg_cache, tmp2);
+ }
+
+ lightrec_regcache_mark_live(reg_cache, _jit);
jit_callr(tmp);
lightrec_free_reg(reg_cache, tmp);
- if (with_arg)
- lightrec_free_reg(reg_cache, tmp3);
lightrec_regcache_mark_live(reg_cache, _jit);
}
jit_state_t *_jit = block->_jit;
union code c = block->opcode_list[offset].c;
u16 flags = block->opcode_list[offset].flags;
- bool is_tagged = flags & (LIGHTREC_HW_IO | LIGHTREC_DIRECT_IO);
+ bool is_tagged = LIGHTREC_FLAGS_GET_IO_MODE(flags);
u32 lut_entry;
jit_note(__FILE__, __LINE__);
}
}
+static void rec_store_memory(struct lightrec_cstate *cstate,
+ const struct block *block,
+ u16 offset, jit_code_t code,
+ uintptr_t addr_offset, u32 addr_mask,
+ bool invalidate)
+{
+ struct regcache *reg_cache = cstate->reg_cache;
+ struct opcode *op = &block->opcode_list[offset];
+ jit_state_t *_jit = block->_jit;
+ union code c = op->c;
+ u8 rs, rt, tmp, tmp2, tmp3, addr_reg, addr_reg2;
+ s16 imm = (s16)c.i.imm;
+ s32 simm = (s32)imm << (__WORDSIZE / 32 - 1);
+ s32 lut_offt = offsetof(struct lightrec_state, code_lut);
+ bool no_mask = op->flags & LIGHTREC_NO_MASK;
+ bool add_imm = c.i.imm && invalidate && simm + lut_offt != (s16)(simm + lut_offt);
+ bool need_tmp = !no_mask || addr_offset || add_imm;
+ bool need_tmp2 = addr_offset || invalidate;
+
+ rt = lightrec_alloc_reg_in(reg_cache, _jit, c.i.rt, 0);
+ rs = lightrec_alloc_reg_in(reg_cache, _jit, c.i.rs, 0);
+ if (need_tmp)
+ tmp = lightrec_alloc_reg_temp(reg_cache, _jit);
+
+ addr_reg = rs;
+
+ if (add_imm) {
+ jit_addi(tmp, addr_reg, (s16)c.i.imm);
+ addr_reg = tmp;
+ imm = 0;
+ } else if (simm) {
+ lut_offt += simm;
+ }
+
+ if (!no_mask) {
+ jit_andi(tmp, addr_reg, addr_mask);
+ addr_reg = tmp;
+ }
+
+ if (need_tmp2)
+ tmp2 = lightrec_alloc_reg_temp(reg_cache, _jit);
+
+ if (addr_offset) {
+ jit_addi(tmp2, addr_reg, addr_offset);
+ addr_reg2 = tmp2;
+ } else {
+ addr_reg2 = addr_reg;
+ }
+
+ jit_new_node_www(code, imm, addr_reg2, rt);
+ lightrec_free_reg(reg_cache, rt);
+
+ if (invalidate) {
+ tmp3 = lightrec_alloc_reg_in(reg_cache, _jit, 0, 0);
+
+ if (c.i.op != OP_SW) {
+ jit_andi(tmp2, addr_reg, ~3);
+ addr_reg = tmp2;
+ }
+
+ if (__WORDSIZE == 64) {
+ jit_lshi(tmp2, addr_reg, 1);
+ addr_reg = tmp2;
+ }
+
+ if (__WORDSIZE == 64 || addr_reg != rs || c.i.rs != 0) {
+ jit_addr(tmp2, addr_reg, LIGHTREC_REG_STATE);
+ addr_reg = tmp2;
+ }
+
+ jit_stxi(lut_offt, addr_reg, tmp3);
+
+ lightrec_free_reg(reg_cache, tmp3);
+ }
+
+ if (need_tmp2)
+ lightrec_free_reg(reg_cache, tmp2);
+ if (need_tmp)
+ lightrec_free_reg(reg_cache, tmp);
+ lightrec_free_reg(reg_cache, rs);
+}
+
+static void rec_store_ram(struct lightrec_cstate *cstate,
+ const struct block *block,
+ u16 offset, jit_code_t code,
+ bool invalidate)
+{
+ _jit_note(block->_jit, __FILE__, __LINE__);
+
+ return rec_store_memory(cstate, block, offset, code,
+ cstate->state->offset_ram,
+ RAM_SIZE - 1, invalidate);
+}
+
+static void rec_store_scratch(struct lightrec_cstate *cstate,
+ const struct block *block,
+ u16 offset, jit_code_t code)
+{
+ _jit_note(block->_jit, __FILE__, __LINE__);
+
+ return rec_store_memory(cstate, block, offset, code,
+ cstate->state->offset_scratch,
+ 0x1fffffff, false);
+}
+
static void rec_store_direct_no_invalidate(struct lightrec_cstate *cstate,
const struct block *block,
u16 offset, jit_code_t code)
if (state->offset_ram != state->offset_scratch) {
to_not_ram = jit_bmsi(tmp, BIT(28));
- lightrec_regcache_mark_live(reg_cache, _jit);
-
jit_movi(tmp2, state->offset_ram);
- to_end = jit_jmpi();
+ to_end = jit_b();
jit_patch(to_not_ram);
jit_movi(tmp2, state->offset_scratch);
to_not_ram = jit_bgti(tmp2, ram_size);
- lightrec_regcache_mark_live(reg_cache, _jit);
-
/* Compute the offset to the code LUT */
jit_andi(tmp, tmp2, (RAM_SIZE - 1) & ~3);
if (__WORDSIZE == 64)
if (state->offset_ram != state->offset_scratch) {
jit_movi(tmp, state->offset_ram);
- to_end = jit_jmpi();
+ to_end = jit_b();
}
jit_patch(to_not_ram);
const struct block *block, u16 offset, jit_code_t code)
{
u16 flags = block->opcode_list[offset].flags;
+ bool no_invalidate = (flags & LIGHTREC_NO_INVALIDATE) ||
+ state->state->invalidate_from_dma_only;
- if (flags & LIGHTREC_NO_INVALIDATE) {
- rec_store_direct_no_invalidate(state, block, offset, code);
- } else if (flags & LIGHTREC_DIRECT_IO) {
- if (state->state->invalidate_from_dma_only)
+ switch (LIGHTREC_FLAGS_GET_IO_MODE(flags)) {
+ case LIGHTREC_IO_RAM:
+ rec_store_ram(state, block, offset, code, !no_invalidate);
+ break;
+ case LIGHTREC_IO_SCRATCH:
+ rec_store_scratch(state, block, offset, code);
+ break;
+ case LIGHTREC_IO_DIRECT:
+ if (no_invalidate)
rec_store_direct_no_invalidate(state, block, offset, code);
else
rec_store_direct(state, block, offset, code);
- } else {
+ break;
+ default:
rec_io(state, block, offset, true, false);
+ break;
}
}
rec_io(state, block, offset, false, false);
}
+static void rec_load_memory(struct lightrec_cstate *cstate,
+ const struct block *block,
+ u16 offset, jit_code_t code, bool is_unsigned,
+ uintptr_t addr_offset, u32 addr_mask)
+{
+ struct regcache *reg_cache = cstate->reg_cache;
+ struct opcode *op = &block->opcode_list[offset];
+ jit_state_t *_jit = block->_jit;
+ u8 rs, rt, addr_reg, flags = REG_EXT;
+ union code c = op->c;
+
+ if (!c.i.rt)
+ return;
+
+ if (is_unsigned)
+ flags |= REG_ZEXT;
+
+ rs = lightrec_alloc_reg_in(reg_cache, _jit, c.i.rs, 0);
+ rt = lightrec_alloc_reg_out(reg_cache, _jit, c.i.rt, flags);
+
+ if (!(op->flags & LIGHTREC_NO_MASK)) {
+ jit_andi(rt, rs, addr_mask);
+ addr_reg = rt;
+ } else {
+ addr_reg = rs;
+ }
+
+ if (addr_offset) {
+ jit_addi(rt, addr_reg, addr_offset);
+ addr_reg = rt;
+ }
+
+ jit_new_node_www(code, rt, addr_reg, (s16)c.i.imm);
+
+ lightrec_free_reg(reg_cache, rs);
+ lightrec_free_reg(reg_cache, rt);
+}
+
+static void rec_load_ram(struct lightrec_cstate *cstate,
+ const struct block *block,
+ u16 offset, jit_code_t code, bool is_unsigned)
+{
+ _jit_note(block->_jit, __FILE__, __LINE__);
+
+ rec_load_memory(cstate, block, offset, code, is_unsigned,
+ cstate->state->offset_ram, RAM_SIZE - 1);
+}
+
+static void rec_load_bios(struct lightrec_cstate *cstate,
+ const struct block *block,
+ u16 offset, jit_code_t code, bool is_unsigned)
+{
+ _jit_note(block->_jit, __FILE__, __LINE__);
+
+ rec_load_memory(cstate, block, offset, code, is_unsigned,
+ cstate->state->offset_bios, 0x1fffffff);
+}
+
+static void rec_load_scratch(struct lightrec_cstate *cstate,
+ const struct block *block,
+ u16 offset, jit_code_t code, bool is_unsigned)
+{
+ _jit_note(block->_jit, __FILE__, __LINE__);
+
+ rec_load_memory(cstate, block, offset, code, is_unsigned,
+ cstate->state->offset_scratch, 0x1fffffff);
+}
+
static void rec_load_direct(struct lightrec_cstate *cstate, const struct block *block,
u16 offset, jit_code_t code, bool is_unsigned)
{
} else {
to_not_ram = jit_bmsi(addr_reg, BIT(28));
- lightrec_regcache_mark_live(reg_cache, _jit);
-
/* Convert to KUNSEG and avoid RAM mirrors */
jit_andi(rt, addr_reg, RAM_SIZE - 1);
if (state->offset_ram)
jit_movi(tmp, state->offset_ram);
- to_end = jit_jmpi();
+ to_end = jit_b();
jit_patch(to_not_ram);
jit_movi(tmp, state->offset_bios);
if (state->offset_bios != state->offset_scratch) {
- to_end2 = jit_jmpi();
+ to_end2 = jit_b();
jit_patch(to_not_bios);
{
u16 flags = block->opcode_list[offset].flags;
- if (flags & LIGHTREC_DIRECT_IO)
+ switch (LIGHTREC_FLAGS_GET_IO_MODE(flags)) {
+ case LIGHTREC_IO_RAM:
+ rec_load_ram(state, block, offset, code, is_unsigned);
+ break;
+ case LIGHTREC_IO_BIOS:
+ rec_load_bios(state, block, offset, code, is_unsigned);
+ break;
+ case LIGHTREC_IO_SCRATCH:
+ rec_load_scratch(state, block, offset, code, is_unsigned);
+ break;
+ case LIGHTREC_IO_DIRECT:
rec_load_direct(state, block, offset, code, is_unsigned);
- else
+ break;
+ default:
rec_io(state, block, offset, false, true);
+ break;
+ }
}
static void rec_LB(struct lightrec_cstate *state, const struct block *block, u16 offset)