* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
+#include "qemu/osdep.h"
#include "cpu.h"
#include "disas/disas.h"
#include "tcg-op.h"
#include "exec/helper-gen.h"
#include "trace-tcg.h"
+#include "exec/log.h"
#define SIM_COMPAT 0
(((src) >> start) & ((1 << (end - start + 1)) - 1))
static TCGv env_debug;
-static TCGv_ptr cpu_env;
+static TCGv_env cpu_env;
static TCGv cpu_R[32];
static TCGv cpu_SR[18];
static TCGv env_imm;
static void dec_pattern(DisasContext *dc)
{
unsigned int mode;
- TCGLabel *l1;
if ((dc->tb_flags & MSR_EE_FLAG)
&& (dc->cpu->env.pvr.regs[2] & PVR2_ILL_OPCODE_EXC_MASK)
case 2:
LOG_DIS("pcmpeq r%d r%d r%d\n", dc->rd, dc->ra, dc->rb);
if (dc->rd) {
- TCGv t0 = tcg_temp_local_new();
- l1 = gen_new_label();
- tcg_gen_movi_tl(t0, 1);
- tcg_gen_brcond_tl(TCG_COND_EQ,
- cpu_R[dc->ra], cpu_R[dc->rb], l1);
- tcg_gen_movi_tl(t0, 0);
- gen_set_label(l1);
- tcg_gen_mov_tl(cpu_R[dc->rd], t0);
- tcg_temp_free(t0);
+ tcg_gen_setcond_tl(TCG_COND_EQ, cpu_R[dc->rd],
+ cpu_R[dc->ra], cpu_R[dc->rb]);
}
break;
case 3:
LOG_DIS("pcmpne r%d r%d r%d\n", dc->rd, dc->ra, dc->rb);
- l1 = gen_new_label();
if (dc->rd) {
- TCGv t0 = tcg_temp_local_new();
- tcg_gen_movi_tl(t0, 1);
- tcg_gen_brcond_tl(TCG_COND_NE,
- cpu_R[dc->ra], cpu_R[dc->rb], l1);
- tcg_gen_movi_tl(t0, 0);
- gen_set_label(l1);
- tcg_gen_mov_tl(cpu_R[dc->rd], t0);
- tcg_temp_free(t0);
+ tcg_gen_setcond_tl(TCG_COND_NE, cpu_R[dc->rd],
+ cpu_R[dc->ra], cpu_R[dc->rb]);
}
break;
default:
CPUState *cs = CPU(dc->cpu);
TCGv t0, t1;
unsigned int sr, to, rn;
- int mem_index = cpu_mmu_index(&dc->cpu->env);
+ int mem_index = cpu_mmu_index(&dc->cpu->env, false);
sr = dc->imm & ((1 << 14) - 1);
to = dc->imm & (1 << 14);
tcg_gen_ext_i32_i64(t1, b);
tcg_gen_mul_i64(t0, t0, t1);
- tcg_gen_trunc_i64_i32(d, t0);
+ tcg_gen_extrl_i64_i32(d, t0);
tcg_gen_shri_i64(t0, t0, 32);
- tcg_gen_trunc_i64_i32(d2, t0);
+ tcg_gen_extrl_i64_i32(d2, t0);
tcg_temp_free_i64(t0);
tcg_temp_free_i64(t1);
tcg_gen_extu_i32_i64(t1, b);
tcg_gen_mul_i64(t0, t0, t1);
- tcg_gen_trunc_i64_i32(d, t0);
+ tcg_gen_extrl_i64_i32(d, t0);
tcg_gen_shri_i64(t0, t0, 32);
- tcg_gen_trunc_i64_i32(d2, t0);
+ tcg_gen_extrl_i64_i32(d2, t0);
tcg_temp_free_i64(t0);
tcg_temp_free_i64(t1);
CPUState *cs = CPU(dc->cpu);
TCGv t0;
unsigned int op;
- int mem_index = cpu_mmu_index(&dc->cpu->env);
+ int mem_index = cpu_mmu_index(&dc->cpu->env, false);
op = dc->ir & ((1 << 9) - 1);
switch (op) {
* address and if that succeeds we write into the destination reg.
*/
v = tcg_temp_new();
- tcg_gen_qemu_ld_tl(v, *addr, cpu_mmu_index(&dc->cpu->env), mop);
+ tcg_gen_qemu_ld_tl(v, *addr, cpu_mmu_index(&dc->cpu->env, false), mop);
if ((dc->cpu->env.pvr.regs[2] & PVR2_UNALIGNED_EXC_MASK) && size > 1) {
tcg_gen_movi_tl(cpu_SR[SR_PC], dc->pc);
tcg_temp_free(v);
if (ex) { /* lwx */
- /* no support for for AXI exclusive so always clear C */
+ /* no support for AXI exclusive so always clear C */
write_carryi(dc, 0);
}
this compare and the following write to be atomic. For user
emulation we need to add atomicity between threads. */
tval = tcg_temp_new();
- tcg_gen_qemu_ld_tl(tval, swx_addr, cpu_mmu_index(&dc->cpu->env),
+ tcg_gen_qemu_ld_tl(tval, swx_addr, cpu_mmu_index(&dc->cpu->env, false),
MO_TEUL);
tcg_gen_brcond_tl(TCG_COND_NE, env_res_val, tval, swx_skip);
write_carryi(dc, 0);
break;
}
}
- tcg_gen_qemu_st_tl(cpu_R[dc->rd], *addr, cpu_mmu_index(&dc->cpu->env), mop);
+ tcg_gen_qemu_st_tl(cpu_R[dc->rd], *addr, cpu_mmu_index(&dc->cpu->env, false), mop);
/* Verify alignment if needed. */
if ((dc->cpu->env.pvr.regs[2] & PVR2_UNALIGNED_EXC_MASK) && size > 1) {
static void dec_br(DisasContext *dc)
{
unsigned int dslot, link, abs, mbar;
- int mem_index = cpu_mmu_index(&dc->cpu->env);
+ int mem_index = cpu_mmu_index(&dc->cpu->env, false);
dslot = dc->ir & (1 << 20);
abs = dc->ir & (1 << 19);
static void dec_rts(DisasContext *dc)
{
unsigned int b_bit, i_bit, e_bit;
- int mem_index = cpu_mmu_index(&dc->cpu->env);
+ int mem_index = cpu_mmu_index(&dc->cpu->env, false);
i_bit = dc->ir & (1 << 21);
b_bit = dc->ir & (1 << 22);
t_gen_raise_exception(dc, EXCP_HW_EXCP);
return;
}
- qemu_log ("unknown insn pc=%x opc=%x\n", dc->pc, dc->opcode);
+ qemu_log_mask(LOG_GUEST_ERROR, "unknown insn pc=%x opc=%x\n", dc->pc, dc->opcode);
dc->abort_at_next_insn = 1;
}
/* Insns connected to FSL or AXI stream attached devices. */
static void dec_stream(DisasContext *dc)
{
- int mem_index = cpu_mmu_index(&dc->cpu->env);
+ int mem_index = cpu_mmu_index(&dc->cpu->env, false);
TCGv_i32 t_id, t_ctrl;
int ctrl;
{
int i;
- if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP | CPU_LOG_TB_OP_OPT))) {
- tcg_gen_debug_insn_start(dc->pc);
- }
-
dc->ir = ir;
LOG_DIS("%8.8x\t", dc->ir);
}
}
-static void check_breakpoint(CPUMBState *env, DisasContext *dc)
-{
- CPUState *cs = CPU(mb_env_get_cpu(env));
- CPUBreakpoint *bp;
-
- if (unlikely(!QTAILQ_EMPTY(&cs->breakpoints))) {
- QTAILQ_FOREACH(bp, &cs->breakpoints, entry) {
- if (bp->pc == dc->pc) {
- t_gen_raise_exception(dc, EXCP_DEBUG);
- dc->is_jmp = DISAS_UPDATE;
- }
- }
- }
-}
-
/* generate intermediate code for basic block 'tb'. */
-static inline void
-gen_intermediate_code_internal(MicroBlazeCPU *cpu, TranslationBlock *tb,
- bool search_pc)
+void gen_intermediate_code(CPUMBState *env, struct TranslationBlock *tb)
{
+ MicroBlazeCPU *cpu = mb_env_get_cpu(env);
CPUState *cs = CPU(cpu);
- CPUMBState *env = &cpu->env;
uint32_t pc_start;
- int j, lj;
struct DisasContext ctx;
struct DisasContext *dc = &ctx;
uint32_t next_page_start, org_flags;
}
next_page_start = (pc_start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE;
- lj = -1;
num_insns = 0;
max_insns = tb->cflags & CF_COUNT_MASK;
- if (max_insns == 0)
+ if (max_insns == 0) {
max_insns = CF_COUNT_MASK;
+ }
+ if (max_insns > TCG_MAX_INSNS) {
+ max_insns = TCG_MAX_INSNS;
+ }
gen_tb_start(tb);
do
{
+ tcg_gen_insn_start(dc->pc);
+ num_insns++;
+
#if SIM_COMPAT
if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
tcg_gen_movi_tl(cpu_SR[SR_PC], dc->pc);
gen_helper_debug();
}
#endif
- check_breakpoint(env, dc);
-
- if (search_pc) {
- j = tcg_op_buf_count();
- if (lj < j) {
- lj++;
- while (lj < j)
- tcg_ctx.gen_opc_instr_start[lj++] = 0;
- }
- tcg_ctx.gen_opc_pc[lj] = dc->pc;
- tcg_ctx.gen_opc_instr_start[lj] = 1;
- tcg_ctx.gen_opc_icount[lj] = num_insns;
+
+ if (unlikely(cpu_breakpoint_test(cs, dc->pc, BP_ANY))) {
+ t_gen_raise_exception(dc, EXCP_DEBUG);
+ dc->is_jmp = DISAS_UPDATE;
+ /* The address covered by the breakpoint must be included in
+ [tb->pc, tb->pc + tb->size) in order to for it to be
+ properly cleared -- thus we increment the PC here so that
+ the logic setting tb->size below does the right thing. */
+ dc->pc += 4;
+ break;
}
/* Pretty disas. */
LOG_DIS("%8.8x:\t", dc->pc);
- if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO))
+ if (num_insns == max_insns && (tb->cflags & CF_LAST_IO)) {
gen_io_start();
+ }
dc->clear_imm = 1;
decode(dc, cpu_ldl_code(env, dc->pc));
if (dc->clear_imm)
dc->tb_flags &= ~IMM_FLAG;
dc->pc += 4;
- num_insns++;
if (dc->delayed_branch) {
dc->delayed_branch--;
}
gen_tb_end(tb, num_insns);
- if (search_pc) {
- j = tcg_op_buf_count();
- lj++;
- while (lj <= j)
- tcg_ctx.gen_opc_instr_start[lj++] = 0;
- } else {
- tb->size = dc->pc - pc_start;
- tb->icount = num_insns;
- }
+ tb->size = dc->pc - pc_start;
+ tb->icount = num_insns;
#ifdef DEBUG_DISAS
#if !SIM_COMPAT
assert(!dc->abort_at_next_insn);
}
-void gen_intermediate_code (CPUMBState *env, struct TranslationBlock *tb)
-{
- gen_intermediate_code_internal(mb_env_get_cpu(env), tb, false);
-}
-
-void gen_intermediate_code_pc (CPUMBState *env, struct TranslationBlock *tb)
-{
- gen_intermediate_code_internal(mb_env_get_cpu(env), tb, true);
-}
-
void mb_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
int flags)
{
cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
- env_debug = tcg_global_mem_new(TCG_AREG0,
+ env_debug = tcg_global_mem_new(cpu_env,
offsetof(CPUMBState, debug),
"debug0");
- env_iflags = tcg_global_mem_new(TCG_AREG0,
+ env_iflags = tcg_global_mem_new(cpu_env,
offsetof(CPUMBState, iflags),
"iflags");
- env_imm = tcg_global_mem_new(TCG_AREG0,
+ env_imm = tcg_global_mem_new(cpu_env,
offsetof(CPUMBState, imm),
"imm");
- env_btarget = tcg_global_mem_new(TCG_AREG0,
+ env_btarget = tcg_global_mem_new(cpu_env,
offsetof(CPUMBState, btarget),
"btarget");
- env_btaken = tcg_global_mem_new(TCG_AREG0,
+ env_btaken = tcg_global_mem_new(cpu_env,
offsetof(CPUMBState, btaken),
"btaken");
- env_res_addr = tcg_global_mem_new(TCG_AREG0,
+ env_res_addr = tcg_global_mem_new(cpu_env,
offsetof(CPUMBState, res_addr),
"res_addr");
- env_res_val = tcg_global_mem_new(TCG_AREG0,
+ env_res_val = tcg_global_mem_new(cpu_env,
offsetof(CPUMBState, res_val),
"res_val");
for (i = 0; i < ARRAY_SIZE(cpu_R); i++) {
- cpu_R[i] = tcg_global_mem_new(TCG_AREG0,
+ cpu_R[i] = tcg_global_mem_new(cpu_env,
offsetof(CPUMBState, regs[i]),
regnames[i]);
}
for (i = 0; i < ARRAY_SIZE(cpu_SR); i++) {
- cpu_SR[i] = tcg_global_mem_new(TCG_AREG0,
+ cpu_SR[i] = tcg_global_mem_new(cpu_env,
offsetof(CPUMBState, sregs[i]),
special_regnames[i]);
}
}
-void restore_state_to_opc(CPUMBState *env, TranslationBlock *tb, int pc_pos)
+void restore_state_to_opc(CPUMBState *env, TranslationBlock *tb,
+ target_ulong *data)
{
- env->sregs[SR_PC] = tcg_ctx.gen_opc_pc[pc_pos];
+ env->sregs[SR_PC] = data[0];
}
Code Review / kvmfornfv.git / blobdiff