The hook is now unused, with breakpoints checked outside translation.
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* @insn_start:
* Emit the tcg_gen_insn_start opcode.
*
- * @breakpoint_check:
- * When called, the breakpoint has already been checked to match the PC,
- * but the target may decide the breakpoint missed the address
- * (e.g., due to conditions encoded in their flags). Return true to
- * indicate that the breakpoint did hit, in which case no more breakpoints
- * are checked. If the breakpoint did hit, emit any code required to
- * signal the exception, and set db->is_jmp as necessary to terminate
- * the main loop.
- *
* @translate_insn:
* Disassemble one instruction and set db->pc_next for the start
* of the following instruction. Set db->is_jmp as necessary to
void (*init_disas_context)(DisasContextBase *db, CPUState *cpu);
void (*tb_start)(DisasContextBase *db, CPUState *cpu);
void (*insn_start)(DisasContextBase *db, CPUState *cpu);
- bool (*breakpoint_check)(DisasContextBase *db, CPUState *cpu,
- const CPUBreakpoint *bp);
void (*translate_insn)(DisasContextBase *db, CPUState *cpu);
void (*tb_stop)(DisasContextBase *db, CPUState *cpu);
void (*disas_log)(const DisasContextBase *db, CPUState *cpu);
tcg_gen_insn_start(dcbase->pc_next);
}
-static bool alpha_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cpu,
- const CPUBreakpoint *bp)
-{
- DisasContext *ctx = container_of(dcbase, DisasContext, base);
-
- ctx->base.is_jmp = gen_excp(ctx, EXCP_DEBUG, 0);
-
- /* 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. */
- ctx->base.pc_next += 4;
- return true;
-}
-
static void alpha_tr_translate_insn(DisasContextBase *dcbase, CPUState *cpu)
{
DisasContext *ctx = container_of(dcbase, DisasContext, base);
.init_disas_context = alpha_tr_init_disas_context,
.tb_start = alpha_tr_tb_start,
.insn_start = alpha_tr_insn_start,
- .breakpoint_check = alpha_tr_breakpoint_check,
.translate_insn = alpha_tr_translate_insn,
.tb_stop = alpha_tr_tb_stop,
.disas_log = alpha_tr_disas_log,
return false;
}
-void HELPER(check_breakpoints)(CPUARMState *env)
-{
- if (arm_debug_check_breakpoint(env_cpu(env))) {
- HELPER(exception_internal(env, EXCP_DEBUG));
- }
-}
-
bool arm_debug_check_watchpoint(CPUState *cs, CPUWatchpoint *wp)
{
/*
DEF_HELPER_1(pre_hvc, void, env)
DEF_HELPER_2(pre_smc, void, env, i32)
-DEF_HELPER_1(check_breakpoints, void, env)
-
DEF_HELPER_3(cpsr_write, void, env, i32, i32)
DEF_HELPER_2(cpsr_write_eret, void, env, i32)
DEF_HELPER_1(cpsr_read, i32, env)
dc->insn_start = tcg_last_op();
}
-static bool aarch64_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cpu,
- const CPUBreakpoint *bp)
-{
- DisasContext *dc = container_of(dcbase, DisasContext, base);
-
- if (bp->flags & BP_CPU) {
- gen_a64_set_pc_im(dc->base.pc_next);
- gen_helper_check_breakpoints(cpu_env);
- /* End the TB early; it likely won't be executed */
- dc->base.is_jmp = DISAS_TOO_MANY;
- } else {
- gen_exception_internal_insn(dc, dc->base.pc_next, EXCP_DEBUG);
- /* 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->base.pc_next += 4;
- dc->base.is_jmp = DISAS_NORETURN;
- }
-
- return true;
-}
-
static void aarch64_tr_translate_insn(DisasContextBase *dcbase, CPUState *cpu)
{
DisasContext *dc = container_of(dcbase, DisasContext, base);
.init_disas_context = aarch64_tr_init_disas_context,
.tb_start = aarch64_tr_tb_start,
.insn_start = aarch64_tr_insn_start,
- .breakpoint_check = aarch64_tr_breakpoint_check,
.translate_insn = aarch64_tr_translate_insn,
.tb_stop = aarch64_tr_tb_stop,
.disas_log = aarch64_tr_disas_log,
dc->insn_start = tcg_last_op();
}
-static bool arm_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cpu,
- const CPUBreakpoint *bp)
-{
- DisasContext *dc = container_of(dcbase, DisasContext, base);
-
- if (bp->flags & BP_CPU) {
- gen_set_condexec(dc);
- gen_set_pc_im(dc, dc->base.pc_next);
- gen_helper_check_breakpoints(cpu_env);
- /* End the TB early; it's likely not going to be executed */
- dc->base.is_jmp = DISAS_TOO_MANY;
- } else {
- gen_exception_internal_insn(dc, dc->base.pc_next, EXCP_DEBUG);
- /* 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. */
- /* TODO: Advance PC by correct instruction length to
- * avoid disassembler error messages */
- dc->base.pc_next += 2;
- dc->base.is_jmp = DISAS_NORETURN;
- }
-
- return true;
-}
-
static bool arm_pre_translate_insn(DisasContext *dc)
{
#ifdef CONFIG_USER_ONLY
.init_disas_context = arm_tr_init_disas_context,
.tb_start = arm_tr_tb_start,
.insn_start = arm_tr_insn_start,
- .breakpoint_check = arm_tr_breakpoint_check,
.translate_insn = arm_tr_translate_insn,
.tb_stop = arm_tr_tb_stop,
.disas_log = arm_tr_disas_log,
.init_disas_context = arm_tr_init_disas_context,
.tb_start = arm_tr_tb_start,
.insn_start = arm_tr_insn_start,
- .breakpoint_check = arm_tr_breakpoint_check,
.translate_insn = thumb_tr_translate_insn,
.tb_stop = arm_tr_tb_stop,
.disas_log = arm_tr_disas_log,
return true;
}
-static void gen_breakpoint(DisasContext *ctx)
-{
- canonicalize_skip(ctx);
- tcg_gen_movi_tl(cpu_pc, ctx->npc);
- gen_helper_debug(cpu_env);
- ctx->base.is_jmp = DISAS_NORETURN;
-}
-
static void avr_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs)
{
DisasContext *ctx = container_of(dcbase, DisasContext, base);
tcg_gen_insn_start(ctx->npc);
}
-static bool avr_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cs,
- const CPUBreakpoint *bp)
-{
- DisasContext *ctx = container_of(dcbase, DisasContext, base);
-
- gen_breakpoint(ctx);
- return true;
-}
-
static void avr_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
{
DisasContext *ctx = container_of(dcbase, DisasContext, base);
.init_disas_context = avr_tr_init_disas_context,
.tb_start = avr_tr_tb_start,
.insn_start = avr_tr_insn_start,
- .breakpoint_check = avr_tr_breakpoint_check,
.translate_insn = avr_tr_translate_insn,
.tb_stop = avr_tr_tb_stop,
.disas_log = avr_tr_disas_log,
tcg_gen_insn_start(dc->delayed_branch == 1 ? dc->ppc | 1 : dc->pc);
}
-static bool cris_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cpu,
- const CPUBreakpoint *bp)
-{
- DisasContext *dc = container_of(dcbase, DisasContext, base);
-
- cris_evaluate_flags(dc);
- tcg_gen_movi_tl(env_pc, dc->pc);
- t_gen_raise_exception(EXCP_DEBUG);
- dc->base.is_jmp = DISAS_NORETURN;
- /*
- * 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 += 2;
- return true;
-}
-
static void cris_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
{
DisasContext *dc = container_of(dcbase, DisasContext, base);
.init_disas_context = cris_tr_init_disas_context,
.tb_start = cris_tr_tb_start,
.insn_start = cris_tr_insn_start,
- .breakpoint_check = cris_tr_breakpoint_check,
.translate_insn = cris_tr_translate_insn,
.tb_stop = cris_tr_tb_stop,
.disas_log = cris_tr_disas_log,
tcg_gen_insn_start(ctx->base.pc_next);
}
-static bool hexagon_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cpu,
- const CPUBreakpoint *bp)
-{
- DisasContext *ctx = container_of(dcbase, DisasContext, base);
-
- gen_exception_end_tb(ctx, EXCP_DEBUG);
- /*
- * 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.
- */
- ctx->base.pc_next += 4;
- return true;
-}
-
static bool pkt_crosses_page(CPUHexagonState *env, DisasContext *ctx)
{
target_ulong page_start = ctx->base.pc_first & TARGET_PAGE_MASK;
.init_disas_context = hexagon_tr_init_disas_context,
.tb_start = hexagon_tr_tb_start,
.insn_start = hexagon_tr_insn_start,
- .breakpoint_check = hexagon_tr_breakpoint_check,
.translate_insn = hexagon_tr_translate_packet,
.tb_stop = hexagon_tr_tb_stop,
.disas_log = hexagon_tr_disas_log,
tcg_gen_insn_start(ctx->iaoq_f, ctx->iaoq_b);
}
-static bool hppa_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cs,
- const CPUBreakpoint *bp)
-{
- DisasContext *ctx = container_of(dcbase, DisasContext, base);
-
- gen_excp(ctx, EXCP_DEBUG);
- ctx->base.pc_next += 4;
- return true;
-}
-
static void hppa_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
{
DisasContext *ctx = container_of(dcbase, DisasContext, base);
.init_disas_context = hppa_tr_init_disas_context,
.tb_start = hppa_tr_tb_start,
.insn_start = hppa_tr_insn_start,
- .breakpoint_check = hppa_tr_breakpoint_check,
.translate_insn = hppa_tr_translate_insn,
.tb_stop = hppa_tr_tb_stop,
.disas_log = hppa_tr_disas_log,
s->base.is_jmp = DISAS_NORETURN;
}
-static void gen_debug(DisasContext *s)
-{
- gen_update_cc_op(s);
- gen_jmp_im(s, s->base.pc_next - s->cs_base);
- gen_helper_debug(cpu_env);
- s->base.is_jmp = DISAS_NORETURN;
-}
-
static void gen_set_hflag(DisasContext *s, uint32_t mask)
{
if ((s->flags & mask) == 0) {
tcg_gen_insn_start(dc->base.pc_next, dc->cc_op);
}
-static bool i386_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cpu,
- const CPUBreakpoint *bp)
-{
- DisasContext *dc = container_of(dcbase, DisasContext, base);
- /* If RF is set, suppress an internally generated breakpoint. */
- int flags = dc->base.tb->flags & HF_RF_MASK ? BP_GDB : BP_ANY;
- if (bp->flags & flags) {
- gen_debug(dc);
- /* 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 generic logic setting tb->size later does the right thing. */
- dc->base.pc_next += 1;
- return true;
- } else {
- return false;
- }
-}
-
static void i386_tr_translate_insn(DisasContextBase *dcbase, CPUState *cpu)
{
DisasContext *dc = container_of(dcbase, DisasContext, base);
.init_disas_context = i386_tr_init_disas_context,
.tb_start = i386_tr_tb_start,
.insn_start = i386_tr_insn_start,
- .breakpoint_check = i386_tr_breakpoint_check,
.translate_insn = i386_tr_translate_insn,
.tb_stop = i386_tr_tb_stop,
.disas_log = i386_tr_disas_log,
tcg_gen_insn_start(dc->base.pc_next, dc->cc_op);
}
-static bool m68k_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cpu,
- const CPUBreakpoint *bp)
-{
- DisasContext *dc = container_of(dcbase, DisasContext, base);
-
- gen_exception(dc, dc->base.pc_next, EXCP_DEBUG);
- /*
- * 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->base.pc_next += 2;
-
- return true;
-}
-
static void m68k_tr_translate_insn(DisasContextBase *dcbase, CPUState *cpu)
{
DisasContext *dc = container_of(dcbase, DisasContext, base);
.init_disas_context = m68k_tr_init_disas_context,
.tb_start = m68k_tr_tb_start,
.insn_start = m68k_tr_insn_start,
- .breakpoint_check = m68k_tr_breakpoint_check,
.translate_insn = m68k_tr_translate_insn,
.tb_stop = m68k_tr_tb_stop,
.disas_log = m68k_tr_disas_log,
dc->insn_start = tcg_last_op();
}
-static bool mb_tr_breakpoint_check(DisasContextBase *dcb, CPUState *cs,
- const CPUBreakpoint *bp)
-{
- DisasContext *dc = container_of(dcb, DisasContext, base);
-
- gen_raise_exception_sync(dc, EXCP_DEBUG);
-
- /*
- * 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->base.pc_next += 4;
- return true;
-}
-
static void mb_tr_translate_insn(DisasContextBase *dcb, CPUState *cs)
{
DisasContext *dc = container_of(dcb, DisasContext, base);
.init_disas_context = mb_tr_init_disas_context,
.tb_start = mb_tr_tb_start,
.insn_start = mb_tr_insn_start,
- .breakpoint_check = mb_tr_breakpoint_check,
.translate_insn = mb_tr_translate_insn,
.tb_stop = mb_tr_tb_stop,
.disas_log = mb_tr_disas_log,
ctx->btarget);
}
-static bool mips_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cs,
- const CPUBreakpoint *bp)
-{
- DisasContext *ctx = container_of(dcbase, DisasContext, base);
-
- save_cpu_state(ctx, 1);
- ctx->base.is_jmp = DISAS_NORETURN;
- gen_helper_raise_exception_debug(cpu_env);
- /*
- * 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.
- */
- ctx->base.pc_next += 4;
- return true;
-}
-
static void mips_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
{
CPUMIPSState *env = cs->env_ptr;
.init_disas_context = mips_tr_init_disas_context,
.tb_start = mips_tr_tb_start,
.insn_start = mips_tr_insn_start,
- .breakpoint_check = mips_tr_breakpoint_check,
.translate_insn = mips_tr_translate_insn,
.tb_stop = mips_tr_tb_stop,
.disas_log = mips_tr_disas_log,
#include "exec/gen-icount.h"
-static void gen_exception(DisasContext *dc, uint32_t excp)
-{
- TCGv_i32 tmp = tcg_const_i32(excp);
-
- tcg_gen_movi_tl(cpu_R[R_PC], dc->pc);
- gen_helper_raise_exception(cpu_env, tmp);
- tcg_temp_free_i32(tmp);
- dc->base.is_jmp = DISAS_NORETURN;
-}
-
/* generate intermediate code for basic block 'tb'. */
static void nios2_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs)
{
tcg_gen_insn_start(dcbase->pc_next);
}
-static bool nios2_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cs,
- const CPUBreakpoint *bp)
-{
- DisasContext *dc = container_of(dcbase, DisasContext, base);
-
- gen_exception(dc, EXCP_DEBUG);
- /*
- * 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->base.pc_next += 4;
- return true;
-}
-
static void nios2_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
{
DisasContext *dc = container_of(dcbase, DisasContext, base);
.init_disas_context = nios2_tr_init_disas_context,
.tb_start = nios2_tr_tb_start,
.insn_start = nios2_tr_insn_start,
- .breakpoint_check = nios2_tr_breakpoint_check,
.translate_insn = nios2_tr_translate_insn,
.tb_stop = nios2_tr_tb_stop,
.disas_log = nios2_tr_disas_log,
| (dc->base.num_insns > 1 ? 2 : 0));
}
-static bool openrisc_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cs,
- const CPUBreakpoint *bp)
-{
- DisasContext *dc = container_of(dcbase, DisasContext, base);
-
- tcg_gen_movi_tl(cpu_pc, dc->base.pc_next);
- gen_exception(dc, EXCP_DEBUG);
- dc->base.is_jmp = DISAS_NORETURN;
- /* 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->base.pc_next += 4;
- return true;
-}
-
static void openrisc_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
{
DisasContext *dc = container_of(dcbase, DisasContext, base);
.init_disas_context = openrisc_tr_init_disas_context,
.tb_start = openrisc_tr_tb_start,
.insn_start = openrisc_tr_insn_start,
- .breakpoint_check = openrisc_tr_breakpoint_check,
.translate_insn = openrisc_tr_translate_insn,
.tb_stop = openrisc_tr_tb_stop,
.disas_log = openrisc_tr_disas_log,
tcg_gen_insn_start(dcbase->pc_next);
}
-static bool ppc_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cs,
- const CPUBreakpoint *bp)
-{
- DisasContext *ctx = container_of(dcbase, DisasContext, base);
-
- gen_update_nip(ctx, ctx->base.pc_next);
- gen_debug_exception(ctx);
- /*
- * 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.
- */
- ctx->base.pc_next += 4;
- return true;
-}
-
static bool is_prefix_insn(DisasContext *ctx, uint32_t insn)
{
REQUIRE_INSNS_FLAGS2(ctx, ISA310);
.init_disas_context = ppc_tr_init_disas_context,
.tb_start = ppc_tr_tb_start,
.insn_start = ppc_tr_insn_start,
- .breakpoint_check = ppc_tr_breakpoint_check,
.translate_insn = ppc_tr_translate_insn,
.tb_stop = ppc_tr_tb_stop,
.disas_log = ppc_tr_disas_log,
tcg_gen_insn_start(ctx->base.pc_next);
}
-static bool riscv_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cpu,
- const CPUBreakpoint *bp)
-{
- DisasContext *ctx = container_of(dcbase, DisasContext, base);
-
- tcg_gen_movi_tl(cpu_pc, ctx->base.pc_next);
- ctx->base.is_jmp = DISAS_NORETURN;
- gen_exception_debug();
- /* 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. */
- ctx->base.pc_next += 4;
- return true;
-}
-
static void riscv_tr_translate_insn(DisasContextBase *dcbase, CPUState *cpu)
{
DisasContext *ctx = container_of(dcbase, DisasContext, base);
.init_disas_context = riscv_tr_init_disas_context,
.tb_start = riscv_tr_tb_start,
.insn_start = riscv_tr_insn_start,
- .breakpoint_check = riscv_tr_breakpoint_check,
.translate_insn = riscv_tr_translate_insn,
.tb_stop = riscv_tr_tb_stop,
.disas_log = riscv_tr_disas_log,
tcg_gen_insn_start(ctx->base.pc_next);
}
-static bool rx_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cs,
- const CPUBreakpoint *bp)
-{
- DisasContext *ctx = container_of(dcbase, DisasContext, base);
-
- /* We have hit a breakpoint - make sure PC is up-to-date */
- tcg_gen_movi_i32(cpu_pc, ctx->base.pc_next);
- gen_helper_debug(cpu_env);
- ctx->base.is_jmp = DISAS_NORETURN;
- ctx->base.pc_next += 1;
- return true;
-}
-
static void rx_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
{
DisasContext *ctx = container_of(dcbase, DisasContext, base);
.init_disas_context = rx_tr_init_disas_context,
.tb_start = rx_tr_tb_start,
.insn_start = rx_tr_insn_start,
- .breakpoint_check = rx_tr_breakpoint_check,
.translate_insn = rx_tr_translate_insn,
.tb_stop = rx_tr_tb_stop,
.disas_log = rx_tr_disas_log,
{
}
-static bool s390x_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cs,
- const CPUBreakpoint *bp)
-{
- DisasContext *dc = container_of(dcbase, DisasContext, base);
-
- /*
- * Emit an insn_start to accompany the breakpoint exception.
- * The ILEN value is a dummy, since this does not result in
- * an s390x exception, but an internal qemu exception which
- * brings us back to interact with the gdbstub.
- */
- tcg_gen_insn_start(dc->base.pc_next, dc->cc_op, 2);
-
- dc->base.is_jmp = DISAS_PC_STALE;
- dc->do_debug = true;
- /* 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 does the right thing. */
- dc->base.pc_next += 2;
- return true;
-}
-
static void s390x_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
{
CPUS390XState *env = cs->env_ptr;
.init_disas_context = s390x_tr_init_disas_context,
.tb_start = s390x_tr_tb_start,
.insn_start = s390x_tr_insn_start,
- .breakpoint_check = s390x_tr_breakpoint_check,
.translate_insn = s390x_tr_translate_insn,
.tb_stop = s390x_tr_tb_stop,
.disas_log = s390x_tr_disas_log,
tcg_gen_insn_start(ctx->base.pc_next, ctx->envflags);
}
-static bool sh4_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cs,
- const CPUBreakpoint *bp)
-{
- DisasContext *ctx = container_of(dcbase, DisasContext, base);
-
- /* We have hit a breakpoint - make sure PC is up-to-date */
- gen_save_cpu_state(ctx, true);
- gen_helper_debug(cpu_env);
- ctx->base.is_jmp = DISAS_NORETURN;
- /* 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. */
- ctx->base.pc_next += 2;
- return true;
-}
-
static void sh4_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
{
CPUSH4State *env = cs->env_ptr;
.init_disas_context = sh4_tr_init_disas_context,
.tb_start = sh4_tr_tb_start,
.insn_start = sh4_tr_insn_start,
- .breakpoint_check = sh4_tr_breakpoint_check,
.translate_insn = sh4_tr_translate_insn,
.tb_stop = sh4_tr_tb_stop,
.disas_log = sh4_tr_disas_log,
}
}
-static bool sparc_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cs,
- const CPUBreakpoint *bp)
-{
- DisasContext *dc = container_of(dcbase, DisasContext, base);
-
- if (dc->pc != dc->base.pc_first) {
- save_state(dc);
- }
- gen_helper_debug(cpu_env);
- tcg_gen_exit_tb(NULL, 0);
- dc->base.is_jmp = DISAS_NORETURN;
- /* update pc_next so that the current instruction is included in tb->size */
- dc->base.pc_next += 4;
- return true;
-}
-
static void sparc_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
{
DisasContext *dc = container_of(dcbase, DisasContext, base);
.init_disas_context = sparc_tr_init_disas_context,
.tb_start = sparc_tr_tb_start,
.insn_start = sparc_tr_insn_start,
- .breakpoint_check = sparc_tr_breakpoint_check,
.translate_insn = sparc_tr_translate_insn,
.tb_stop = sparc_tr_tb_stop,
.disas_log = sparc_tr_disas_log,
tcg_gen_insn_start(ctx->base.pc_next);
}
-static bool tricore_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cpu,
- const CPUBreakpoint *bp)
-{
- DisasContext *ctx = container_of(dcbase, DisasContext, base);
- generate_qemu_excp(ctx, EXCP_DEBUG);
- /*
- * 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.
- */
- ctx->base.pc_next += 4;
- return true;
-}
-
static bool insn_crosses_page(CPUTriCoreState *env, DisasContext *ctx)
{
/*
.init_disas_context = tricore_tr_init_disas_context,
.tb_start = tricore_tr_tb_start,
.insn_start = tricore_tr_insn_start,
- .breakpoint_check = tricore_tr_breakpoint_check,
.translate_insn = tricore_tr_translate_insn,
.tb_stop = tricore_tr_tb_stop,
.disas_log = tricore_tr_disas_log,
tcg_gen_insn_start(dcbase->pc_next);
}
-static bool xtensa_tr_breakpoint_check(DisasContextBase *dcbase, CPUState *cpu,
- const CPUBreakpoint *bp)
-{
- DisasContext *dc = container_of(dcbase, DisasContext, base);
-
- tcg_gen_movi_i32(cpu_pc, dc->base.pc_next);
- gen_exception(dc, EXCP_DEBUG);
- dc->base.is_jmp = DISAS_NORETURN;
- /* 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->base.pc_next += 2;
- return true;
-}
-
static void xtensa_tr_translate_insn(DisasContextBase *dcbase, CPUState *cpu)
{
DisasContext *dc = container_of(dcbase, DisasContext, base);
.init_disas_context = xtensa_tr_init_disas_context,
.tb_start = xtensa_tr_tb_start,
.insn_start = xtensa_tr_insn_start,
- .breakpoint_check = xtensa_tr_breakpoint_check,
.translate_insn = xtensa_tr_translate_insn,
.tb_stop = xtensa_tr_tb_stop,
.disas_log = xtensa_tr_disas_log,
projects / qemu.git / commitdiff