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Searched refs:gcspr_el0 (Results 1 – 9 of 9) sorted by relevance

/linux/arch/arm64/mm/
H A Dgcs.c53 tsk->thread.gcspr_el0 = read_sysreg_s(SYS_GCSPR_EL0); in gcs_alloc_thread_stack()
66 tsk->thread.gcspr_el0 = addr + size - sizeof(u64); in gcs_alloc_thread_stack()
166 task->thread.gcspr_el0 = 0; in gcs_free()
194 if (task->thread.gcs_base || task->thread.gcspr_el0) in arch_set_shadow_stack_status()
205 task->thread.gcspr_el0 = gcs + size - sizeof(u64); in arch_set_shadow_stack_status()
209 write_sysreg_s(task->thread.gcspr_el0, in arch_set_shadow_stack_status()
/linux/arch/arm64/kernel/
H A Dsignal.c1045 u64 gcspr_el0, cap; in gcs_restore_signal() local
1054 gcspr_el0 = read_sysreg_s(SYS_GCSPR_EL0); in gcs_restore_signal()
1069 ret = copy_from_user(&cap, (unsigned long __user *)gcspr_el0, in gcs_restore_signal()
1077 if (cap != GCS_SIGNAL_CAP(gcspr_el0)) in gcs_restore_signal()
1081 put_user_gcs(0, (unsigned long __user *)gcspr_el0, &ret); in gcs_restore_signal()
1085 write_sysreg_s(gcspr_el0 + 8, SYS_GCSPR_EL0); in gcs_restore_signal()
1161 if (system_supports_gcs() && (add_all || current->thread.gcspr_el0)) { in setup_sigframe_layout()
1404 u64 gcspr_el0; in gcs_signal_entry() local
1417 gcspr_el0 = read_sysreg_s(SYS_GCSPR_EL0); in gcs_signal_entry()
1423 (unsigned long __user *)(gcspr_el0 - 16), &ret); in gcs_signal_entry()
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H A Dprocess.c291 current->thread.gcspr_el0 = 0; in flush_gcs()
583 current->thread.gcspr_el0 = read_sysreg_s(SYS_GCSPR_EL0); in gcs_preserve_current_state()
593 write_sysreg_s(next->thread.gcspr_el0, SYS_GCSPR_EL0); in gcs_thread_switch()
H A Dptrace.c1523 user_gcs->gcspr_el0 = target->thread.gcspr_el0; in task_gcs_to_user()
1531 target->thread.gcspr_el0 = user_gcs->gcspr_el0; in task_gcs_from_user()
/linux/tools/testing/selftests/arm64/gcs/
H A Dbasic-gcs.c96 unsigned long *gcspr_el0; in read_gcspr_el0() local
99 gcspr_el0 = get_gcspr(); in read_gcspr_el0()
100 ksft_print_msg("GCSPR_EL0 is %p\n", gcspr_el0); in read_gcspr_el0()
H A Dgcs-util.h25 __u64 gcspr_el0; member
H A Dlibc-gcs.c246 gcspr = child_gcs.gcspr_el0; in TEST()
/linux/arch/arm64/include/uapi/asm/
H A Dptrace.h332 __u64 gcspr_el0; member
/linux/arch/arm64/include/asm/
H A Dprocessor.h198 u64 gcspr_el0; member