mirror of
https://github.com/xemu-project/xemu.git
synced 2024-11-27 05:20:50 +00:00
a48e7d9e52
This removes the final hard coding of kvm_enabled() in gdbstub and moves the check to an AccelOps. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Mads Ynddal <mads@ynddal.dk> Message-Id: <20220929114231.583801-46-alex.bennee@linaro.org>
69 lines
1.4 KiB
C
69 lines
1.4 KiB
C
/*
|
|
* gdbstub user-mode helper routines.
|
|
*
|
|
* We know for user-mode we are using TCG so we can call stuff directly.
|
|
*
|
|
* Copyright (c) 2022 Linaro Ltd
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0-or-later
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
#include "exec/hwaddr.h"
|
|
#include "exec/gdbstub.h"
|
|
#include "hw/core/cpu.h"
|
|
#include "internals.h"
|
|
|
|
bool gdb_supports_guest_debug(void)
|
|
{
|
|
/* user-mode == TCG == supported */
|
|
return true;
|
|
}
|
|
|
|
int gdb_breakpoint_insert(CPUState *cs, int type, hwaddr addr, hwaddr len)
|
|
{
|
|
CPUState *cpu;
|
|
int err = 0;
|
|
|
|
switch (type) {
|
|
case GDB_BREAKPOINT_SW:
|
|
case GDB_BREAKPOINT_HW:
|
|
CPU_FOREACH(cpu) {
|
|
err = cpu_breakpoint_insert(cpu, addr, BP_GDB, NULL);
|
|
if (err) {
|
|
break;
|
|
}
|
|
}
|
|
return err;
|
|
default:
|
|
/* user-mode doesn't support watchpoints */
|
|
return -ENOSYS;
|
|
}
|
|
}
|
|
|
|
int gdb_breakpoint_remove(CPUState *cs, int type, hwaddr addr, hwaddr len)
|
|
{
|
|
CPUState *cpu;
|
|
int err = 0;
|
|
|
|
switch (type) {
|
|
case GDB_BREAKPOINT_SW:
|
|
case GDB_BREAKPOINT_HW:
|
|
CPU_FOREACH(cpu) {
|
|
err = cpu_breakpoint_remove(cpu, addr, BP_GDB);
|
|
if (err) {
|
|
break;
|
|
}
|
|
}
|
|
return err;
|
|
default:
|
|
/* user-mode doesn't support watchpoints */
|
|
return -ENOSYS;
|
|
}
|
|
}
|
|
|
|
void gdb_breakpoint_remove_all(CPUState *cs)
|
|
{
|
|
cpu_breakpoint_remove_all(cs, BP_GDB);
|
|
}
|