1 files changed, 116 insertions, 0 deletions
diff --git a/arch/x86/boot/compressed/misc.h b/arch/x86/boot/compressed/misc.h
new file mode 100644
index 000000000..47fd18db6
--- /dev/null
+++ b/arch/x86/boot/compressed/misc.h
@@ -0,0 +1,116 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef BOOT_COMPRESSED_MISC_H
+#define BOOT_COMPRESSED_MISC_H
+
+/*
+ * Special hack: we have to be careful, because no indirections are allowed here,
+ * and paravirt_ops is a kind of one. As it will only run in baremetal anyway,
+ * we just keep it from happening. (This list needs to be extended when new
+ * paravirt and debugging variants are added.)
+ */
+#undef CONFIG_PARAVIRT
+#undef CONFIG_PARAVIRT_SPINLOCKS
+#undef CONFIG_KASAN
+
+/* cpu_feature_enabled() cannot be used this early */
+#define USE_EARLY_PGTABLE_L5
+
+#include <linux/linkage.h>
+#include <linux/screen_info.h>
+#include <linux/elf.h>
+#include <linux/io.h>
+#include <asm/page.h>
+#include <asm/boot.h>
+#include <asm/bootparam.h>
+
+#define BOOT_BOOT_H
+#include "../ctype.h"
+
+#ifdef CONFIG_X86_64
+#define memptr long
+#else
+#define memptr unsigned
+#endif
+
+/* misc.c */
+extern memptr free_mem_ptr;
+extern memptr free_mem_end_ptr;
+extern struct boot_params *boot_params;
+void __putstr(const char *s);
+void __puthex(unsigned long value);
+#define error_putstr(__x)  __putstr(__x)
+#define error_puthex(__x)  __puthex(__x)
+
+#ifdef CONFIG_X86_VERBOSE_BOOTUP
+
+#define debug_putstr(__x)  __putstr(__x)
+#define debug_puthex(__x)  __puthex(__x)
+#define debug_putaddr(__x) { \
+		debug_putstr(#__x ": 0x"); \
+		debug_puthex((unsigned long)(__x)); \
+		debug_putstr("\n"); \
+	}
+
+#else
+
+static inline void debug_putstr(const char *s)
+{ }
+static inline void debug_puthex(const char *s)
+{ }
+#define debug_putaddr(x) /* */
+
+#endif
+
+#if CONFIG_EARLY_PRINTK || CONFIG_RANDOMIZE_BASE
+/* cmdline.c */
+int cmdline_find_option(const char *option, char *buffer, int bufsize);
+int cmdline_find_option_bool(const char *option);
+#endif
+
+
+#if CONFIG_RANDOMIZE_BASE
+/* kaslr.c */
+void choose_random_location(unsigned long input,
+			    unsigned long input_size,
+			    unsigned long *output,
+			    unsigned long output_size,
+			    unsigned long *virt_addr);
+/* cpuflags.c */
+bool has_cpuflag(int flag);
+#else
+static inline void choose_random_location(unsigned long input,
+					  unsigned long input_size,
+					  unsigned long *output,
+					  unsigned long output_size,
+					  unsigned long *virt_addr)
+{
+}
+#endif
+
+#ifdef CONFIG_X86_64
+void initialize_identity_maps(void);
+void add_identity_map(unsigned long start, unsigned long size);
+void finalize_identity_maps(void);
+extern unsigned char _pgtable[];
+#else
+static inline void initialize_identity_maps(void)
+{ }
+static inline void add_identity_map(unsigned long start, unsigned long size)
+{ }
+static inline void finalize_identity_maps(void)
+{ }
+#endif
+
+#ifdef CONFIG_EARLY_PRINTK
+/* early_serial_console.c */
+extern int early_serial_base;
+void console_init(void);
+#else
+static const int early_serial_base;
+static inline void console_init(void)
+{ }
+#endif
+
+void set_sev_encryption_mask(void);
+
+#endif