#include "qemu/log.h"
#include "config.h"
#include "qemu/bitops.h"
+#include "exec/cpu_ldst.h"
-#include "helper.h"
-#define GEN_HELPER 1
-#include "helper.h"
+#include "exec/helper-proto.h"
+#include "exec/helper-gen.h"
#define OPENRISC_DISAS
offsetof(CPUOpenRISCState, gpr[i]),
regnames[i]);
}
-#define GEN_HELPER 2
-#include "helper.h"
}
-/* Writeback SR_F transaltion-space to execution-space. */
+/* Writeback SR_F translation space to execution space. */
static inline void wb_SR_F(void)
{
int label;
static void gen_jump(DisasContext *dc, uint32_t imm, uint32_t reg, uint32_t op0)
{
target_ulong tmp_pc;
- int lab = gen_new_label();
- TCGv sr_f = tcg_temp_new();
/* N26, 26bits imm */
tmp_pc = sign_extend((imm<<2), 26) + dc->pc;
- tcg_gen_andi_tl(sr_f, cpu_sr, SR_F);
- if (op0 == 0x00) { /* l.j */
+ switch (op0) {
+ case 0x00: /* l.j */
tcg_gen_movi_tl(jmp_pc, tmp_pc);
- } else if (op0 == 0x01) { /* l.jal */
+ break;
+ case 0x01: /* l.jal */
tcg_gen_movi_tl(cpu_R[9], (dc->pc + 8));
tcg_gen_movi_tl(jmp_pc, tmp_pc);
- } else if (op0 == 0x03) { /* l.bnf */
- tcg_gen_movi_tl(jmp_pc, dc->pc+8);
- tcg_gen_brcondi_i32(TCG_COND_EQ, sr_f, SR_F, lab);
- tcg_gen_movi_tl(jmp_pc, tmp_pc);
- gen_set_label(lab);
- } else if (op0 == 0x04) { /* l.bf */
- tcg_gen_movi_tl(jmp_pc, dc->pc+8);
- tcg_gen_brcondi_i32(TCG_COND_NE, sr_f, SR_F, lab);
- tcg_gen_movi_tl(jmp_pc, tmp_pc);
- gen_set_label(lab);
- } else if (op0 == 0x11) { /* l.jr */
+ break;
+ case 0x03: /* l.bnf */
+ case 0x04: /* l.bf */
+ {
+ int lab = gen_new_label();
+ TCGv sr_f = tcg_temp_new();
+ tcg_gen_movi_tl(jmp_pc, dc->pc+8);
+ tcg_gen_andi_tl(sr_f, cpu_sr, SR_F);
+ tcg_gen_brcondi_i32(op0 == 0x03 ? TCG_COND_EQ : TCG_COND_NE,
+ sr_f, SR_F, lab);
+ tcg_gen_movi_tl(jmp_pc, tmp_pc);
+ gen_set_label(lab);
+ tcg_temp_free(sr_f);
+ }
+ break;
+ case 0x11: /* l.jr */
tcg_gen_mov_tl(jmp_pc, cpu_R[reg]);
- } else if (op0 == 0x12) { /* l.jalr */
+ break;
+ case 0x12: /* l.jalr */
tcg_gen_movi_tl(cpu_R[9], (dc->pc + 8));
tcg_gen_mov_tl(jmp_pc, cpu_R[reg]);
- } else {
+ break;
+ default:
gen_illegal_exception(dc);
+ break;
}
- tcg_temp_free(sr_f);
dc->delayed_branch = 2;
dc->tb_flags |= D_FLAG;
gen_sync_flags(dc);
}
+
static void dec_calc(DisasContext *dc, uint32_t insn)
{
uint32_t op0, op1, op2;
TCGv_i64 high = tcg_temp_new_i64();
TCGv_i32 sr_ove = tcg_temp_local_new_i32();
int lab = gen_new_label();
- /* Calculate the each result. */
+ /* Calculate each result. */
tcg_gen_extu_i32_i64(tra, cpu_R[ra]);
tcg_gen_extu_i32_i64(trb, cpu_R[rb]);
tcg_gen_mul_i64(result, tra, trb);
tcg_temp_free_i64(tra);
tcg_temp_free_i64(trb);
tcg_gen_shri_i64(high, result, TARGET_LONG_BITS);
- /* Overflow or not. */
+ /* Overflow or not. */
tcg_gen_brcondi_i64(TCG_COND_EQ, high, 0x00000000, lab);
tcg_gen_ori_tl(cpu_sr, cpu_sr, (SR_OV | SR_CY));
tcg_gen_andi_tl(sr_ove, cpu_sr, SR_OVE);
uint32_t L6, K5;
#endif
uint32_t I16, I5, I11, N26, tmp;
+ TCGMemOp mop;
+
op0 = extract32(insn, 26, 6);
op1 = extract32(insn, 24, 2);
ra = extract32(insn, 16, 5);
/*#ifdef TARGET_OPENRISC64
case 0x20: l.ld
LOG_DIS("l.ld r%d, r%d, %d\n", rd, ra, I16);
- {
- check_ob64s(dc);
- TCGv_i64 t0 = tcg_temp_new_i64();
- tcg_gen_addi_i64(t0, cpu_R[ra], sign_extend(I16, 16));
- tcg_gen_qemu_ld64(cpu_R[rd], t0, dc->mem_idx);
- tcg_temp_free_i64(t0);
- }
- break;
+ check_ob64s(dc);
+ mop = MO_TEQ;
+ goto do_load;
#endif*/
case 0x21: /* l.lwz */
LOG_DIS("l.lwz r%d, r%d, %d\n", rd, ra, I16);
- {
- TCGv t0 = tcg_temp_new();
- tcg_gen_addi_tl(t0, cpu_R[ra], sign_extend(I16, 16));
- tcg_gen_qemu_ld32u(cpu_R[rd], t0, dc->mem_idx);
- tcg_temp_free(t0);
- }
- break;
+ mop = MO_TEUL;
+ goto do_load;
case 0x22: /* l.lws */
LOG_DIS("l.lws r%d, r%d, %d\n", rd, ra, I16);
- {
- TCGv t0 = tcg_temp_new();
- tcg_gen_addi_tl(t0, cpu_R[ra], sign_extend(I16, 16));
- tcg_gen_qemu_ld32s(cpu_R[rd], t0, dc->mem_idx);
- tcg_temp_free(t0);
- }
- break;
+ mop = MO_TESL;
+ goto do_load;
case 0x23: /* l.lbz */
LOG_DIS("l.lbz r%d, r%d, %d\n", rd, ra, I16);
- {
- TCGv t0 = tcg_temp_new();
- tcg_gen_addi_tl(t0, cpu_R[ra], sign_extend(I16, 16));
- tcg_gen_qemu_ld8u(cpu_R[rd], t0, dc->mem_idx);
- tcg_temp_free(t0);
- }
- break;
+ mop = MO_UB;
+ goto do_load;
case 0x24: /* l.lbs */
LOG_DIS("l.lbs r%d, r%d, %d\n", rd, ra, I16);
- {
- TCGv t0 = tcg_temp_new();
- tcg_gen_addi_tl(t0, cpu_R[ra], sign_extend(I16, 16));
- tcg_gen_qemu_ld8s(cpu_R[rd], t0, dc->mem_idx);
- tcg_temp_free(t0);
- }
- break;
+ mop = MO_SB;
+ goto do_load;
case 0x25: /* l.lhz */
LOG_DIS("l.lhz r%d, r%d, %d\n", rd, ra, I16);
- {
- TCGv t0 = tcg_temp_new();
- tcg_gen_addi_tl(t0, cpu_R[ra], sign_extend(I16, 16));
- tcg_gen_qemu_ld16u(cpu_R[rd], t0, dc->mem_idx);
- tcg_temp_free(t0);
- }
- break;
+ mop = MO_TEUW;
+ goto do_load;
case 0x26: /* l.lhs */
LOG_DIS("l.lhs r%d, r%d, %d\n", rd, ra, I16);
+ mop = MO_TESW;
+ goto do_load;
+
+ do_load:
{
TCGv t0 = tcg_temp_new();
tcg_gen_addi_tl(t0, cpu_R[ra], sign_extend(I16, 16));
- tcg_gen_qemu_ld16s(cpu_R[rd], t0, dc->mem_idx);
+ tcg_gen_qemu_ld_tl(cpu_R[rd], t0, dc->mem_idx, mop);
tcg_temp_free(t0);
}
break;
case 0x27: /* l.addi */
LOG_DIS("l.addi r%d, r%d, %d\n", rd, ra, I16);
{
- int lab = gen_new_label();
- TCGv_i64 ta = tcg_temp_new_i64();
- TCGv_i64 td = tcg_temp_local_new_i64();
- TCGv_i32 res = tcg_temp_local_new_i32();
- TCGv_i32 sr_ove = tcg_temp_local_new_i32();
- tcg_gen_extu_i32_i64(ta, cpu_R[ra]);
- tcg_gen_addi_i64(td, ta, sign_extend(I16, 16));
- tcg_gen_trunc_i64_i32(res, td);
- tcg_gen_shri_i64(td, td, 32);
- tcg_gen_andi_i64(td, td, 0x3);
- /* Jump to lab when no overflow. */
- tcg_gen_brcondi_i64(TCG_COND_EQ, td, 0x0, lab);
- tcg_gen_brcondi_i64(TCG_COND_EQ, td, 0x3, lab);
- tcg_gen_ori_i32(cpu_sr, cpu_sr, (SR_OV | SR_CY));
- tcg_gen_andi_i32(sr_ove, cpu_sr, SR_OVE);
- tcg_gen_brcondi_i32(TCG_COND_NE, sr_ove, SR_OVE, lab);
- gen_exception(dc, EXCP_RANGE);
- gen_set_label(lab);
- tcg_gen_mov_i32(cpu_R[rd], res);
- tcg_temp_free_i64(ta);
- tcg_temp_free_i64(td);
- tcg_temp_free_i32(res);
- tcg_temp_free_i32(sr_ove);
+ if (I16 == 0) {
+ tcg_gen_mov_tl(cpu_R[rd], cpu_R[ra]);
+ } else {
+ int lab = gen_new_label();
+ TCGv_i64 ta = tcg_temp_new_i64();
+ TCGv_i64 td = tcg_temp_local_new_i64();
+ TCGv_i32 res = tcg_temp_local_new_i32();
+ TCGv_i32 sr_ove = tcg_temp_local_new_i32();
+ tcg_gen_extu_i32_i64(ta, cpu_R[ra]);
+ tcg_gen_addi_i64(td, ta, sign_extend(I16, 16));
+ tcg_gen_trunc_i64_i32(res, td);
+ tcg_gen_shri_i64(td, td, 32);
+ tcg_gen_andi_i64(td, td, 0x3);
+ /* Jump to lab when no overflow. */
+ tcg_gen_brcondi_i64(TCG_COND_EQ, td, 0x0, lab);
+ tcg_gen_brcondi_i64(TCG_COND_EQ, td, 0x3, lab);
+ tcg_gen_ori_i32(cpu_sr, cpu_sr, (SR_OV | SR_CY));
+ tcg_gen_andi_i32(sr_ove, cpu_sr, SR_OVE);
+ tcg_gen_brcondi_i32(TCG_COND_NE, sr_ove, SR_OVE, lab);
+ gen_exception(dc, EXCP_RANGE);
+ gen_set_label(lab);
+ tcg_gen_mov_i32(cpu_R[rd], res);
+ tcg_temp_free_i64(ta);
+ tcg_temp_free_i64(td);
+ tcg_temp_free_i32(res);
+ tcg_temp_free_i32(sr_ove);
+ }
}
break;
/*#ifdef TARGET_OPENRISC64
case 0x34: l.sd
LOG_DIS("l.sd %d, r%d, r%d, %d\n", I5, ra, rb, I11);
- {
- check_ob64s(dc);
- TCGv_i64 t0 = tcg_temp_new_i64();
- tcg_gen_addi_tl(t0, cpu_R[ra], sign_extend(tmp, 16));
- tcg_gen_qemu_st64(cpu_R[rb], t0, dc->mem_idx);
- tcg_temp_free_i64(t0);
- }
- break;
+ check_ob64s(dc);
+ mop = MO_TEQ;
+ goto do_store;
#endif*/
case 0x35: /* l.sw */
LOG_DIS("l.sw %d, r%d, r%d, %d\n", I5, ra, rb, I11);
- {
- TCGv t0 = tcg_temp_new();
- tcg_gen_addi_tl(t0, cpu_R[ra], sign_extend(tmp, 16));
- tcg_gen_qemu_st32(cpu_R[rb], t0, dc->mem_idx);
- tcg_temp_free(t0);
- }
- break;
+ mop = MO_TEUL;
+ goto do_store;
case 0x36: /* l.sb */
LOG_DIS("l.sb %d, r%d, r%d, %d\n", I5, ra, rb, I11);
- {
- TCGv t0 = tcg_temp_new();
- tcg_gen_addi_tl(t0, cpu_R[ra], sign_extend(tmp, 16));
- tcg_gen_qemu_st8(cpu_R[rb], t0, dc->mem_idx);
- tcg_temp_free(t0);
- }
- break;
+ mop = MO_UB;
+ goto do_store;
case 0x37: /* l.sh */
LOG_DIS("l.sh %d, r%d, r%d, %d\n", I5, ra, rb, I11);
+ mop = MO_TEUW;
+ goto do_store;
+
+ do_store:
{
TCGv t0 = tcg_temp_new();
tcg_gen_addi_tl(t0, cpu_R[ra], sign_extend(tmp, 16));
- tcg_gen_qemu_st16(cpu_R[rb], t0, dc->mem_idx);
+ tcg_gen_qemu_st_tl(cpu_R[rb], t0, dc->mem_idx, mop);
tcg_temp_free(t0);
}
break;
static void check_breakpoint(OpenRISCCPU *cpu, DisasContext *dc)
{
+ CPUState *cs = CPU(cpu);
CPUBreakpoint *bp;
- if (unlikely(!QTAILQ_EMPTY(&cpu->env.breakpoints))) {
- QTAILQ_FOREACH(bp, &cpu->env.breakpoints, entry) {
+ if (unlikely(!QTAILQ_EMPTY(&cs->breakpoints))) {
+ QTAILQ_FOREACH(bp, &cs->breakpoints, entry) {
if (bp->pc == dc->pc) {
tcg_gen_movi_tl(cpu_pc, dc->pc);
gen_exception(dc, EXCP_DEBUG);