| Server IP : 172.67.216.182 / Your IP : 172.71.124.233 Web Server : Apache System : Linux krdc-ubuntu-s-2vcpu-4gb-amd-blr1-01.localdomain 5.15.0-142-generic #152-Ubuntu SMP Mon May 19 10:54:31 UTC 2025 x86_64 User : www ( 1000) PHP Version : 7.4.33 Disable Function : passthru,exec,system,putenv,chroot,chgrp,chown,shell_exec,popen,proc_open,pcntl_exec,ini_alter,ini_restore,dl,openlog,syslog,readlink,symlink,popepassthru,pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,imap_open,apache_setenv MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /usr/src/linux-headers-5.15.0-142/arch/arm64/kvm/hyp/include/hyp/ |
Upload File : |
// SPDX-License-Identifier: GPL-2.0-only
/*
* Guest PC manipulation helpers
*
* Copyright (C) 2012,2013 - ARM Ltd
* Copyright (C) 2020 - Google LLC
* Author: Marc Zyngier <[email protected]>
*/
#ifndef __ARM64_KVM_HYP_ADJUST_PC_H__
#define __ARM64_KVM_HYP_ADJUST_PC_H__
#include <asm/kvm_emulate.h>
#include <asm/kvm_host.h>
static inline void kvm_skip_instr(struct kvm_vcpu *vcpu)
{
if (vcpu_mode_is_32bit(vcpu)) {
kvm_skip_instr32(vcpu);
} else {
*vcpu_pc(vcpu) += 4;
*vcpu_cpsr(vcpu) &= ~PSR_BTYPE_MASK;
}
/* advance the singlestep state machine */
*vcpu_cpsr(vcpu) &= ~DBG_SPSR_SS;
}
/*
* Skip an instruction which has been emulated at hyp while most guest sysregs
* are live.
*/
static inline void __kvm_skip_instr(struct kvm_vcpu *vcpu)
{
*vcpu_pc(vcpu) = read_sysreg_el2(SYS_ELR);
vcpu_gp_regs(vcpu)->pstate = read_sysreg_el2(SYS_SPSR);
kvm_skip_instr(vcpu);
write_sysreg_el2(vcpu_gp_regs(vcpu)->pstate, SYS_SPSR);
write_sysreg_el2(*vcpu_pc(vcpu), SYS_ELR);
}
/*
* Skip an instruction while host sysregs are live.
* Assumes host is always 64-bit.
*/
static inline void kvm_skip_host_instr(void)
{
write_sysreg_el2(read_sysreg_el2(SYS_ELR) + 4, SYS_ELR);
}
#endif