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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /arch/arm/include/asm/system_misc.h
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/include/asm/system_misc.h')
-rw-r--r--arch/arm/include/asm/system_misc.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm/include/asm/system_misc.h b/arch/arm/include/asm/system_misc.h
new file mode 100644
index 000000000..66f6a3ae6
--- /dev/null
+++ b/arch/arm/include/asm/system_misc.h
@@ -0,0 +1,43 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_ARM_SYSTEM_MISC_H
+#define __ASM_ARM_SYSTEM_MISC_H
+
+#ifndef __ASSEMBLY__
+
+#include <linux/compiler.h>
+#include <linux/linkage.h>
+#include <linux/irqflags.h>
+#include <linux/reboot.h>
+#include <linux/percpu.h>
+
+extern void cpu_init(void);
+
+void soft_restart(unsigned long);
+extern void (*arm_pm_restart)(enum reboot_mode reboot_mode, const char *cmd);
+extern void (*arm_pm_idle)(void);
+
+#ifdef CONFIG_HARDEN_BRANCH_PREDICTOR
+typedef void (*harden_branch_predictor_fn_t)(void);
+DECLARE_PER_CPU(harden_branch_predictor_fn_t, harden_branch_predictor_fn);
+static inline void harden_branch_predictor(void)
+{
+ harden_branch_predictor_fn_t fn = per_cpu(harden_branch_predictor_fn,
+ smp_processor_id());
+ if (fn)
+ fn();
+}
+#else
+#define harden_branch_predictor() do { } while (0)
+#endif
+
+#define UDBG_UNDEFINED (1 << 0)
+#define UDBG_SYSCALL (1 << 1)
+#define UDBG_BADABORT (1 << 2)
+#define UDBG_SEGV (1 << 3)
+#define UDBG_BUS (1 << 4)
+
+extern unsigned int user_debug;
+
+#endif /* !__ASSEMBLY__ */
+
+#endif /* __ASM_ARM_SYSTEM_MISC_H */