From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/drivers/firmware/efi/libstub/efistub.h | 823 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 803 insertions(+), 20 deletions(-)
diff --git a/kernel/drivers/firmware/efi/libstub/efistub.h b/kernel/drivers/firmware/efi/libstub/efistub.h
index 337b52c..2d7abcd 100644
--- a/kernel/drivers/firmware/efi/libstub/efistub.h
+++ b/kernel/drivers/firmware/efi/libstub/efistub.h
@@ -3,8 +3,12 @@
#ifndef _DRIVERS_FIRMWARE_EFI_EFISTUB_H
#define _DRIVERS_FIRMWARE_EFI_EFISTUB_H
-/* error code which can't be mistaken for valid address */
-#define EFI_ERROR (~0UL)
+#include <linux/compiler.h>
+#include <linux/efi.h>
+#include <linux/kernel.h>
+#include <linux/kern_levels.h>
+#include <linux/types.h>
+#include <asm/efi.h>
/*
* __init annotations should not be used in the EFI stub, since the code is
@@ -25,22 +29,726 @@
#define EFI_ALLOC_ALIGN EFI_PAGE_SIZE
#endif
-extern int __pure nokaslr(void);
-extern int __pure is_quiet(void);
-extern int __pure novamap(void);
+extern bool efi_nochunk;
+extern bool efi_nokaslr;
+extern bool efi_noinitrd;
+extern int efi_loglevel;
+extern bool efi_novamap;
-#define pr_efi(sys_table, msg) do { \
- if (!is_quiet()) efi_printk(sys_table, "EFI stub: "msg); \
-} while (0)
+extern const efi_system_table_t *efi_system_table;
-#define pr_efi_err(sys_table, msg) efi_printk(sys_table, "EFI stub: ERROR: "msg)
+efi_status_t __efiapi efi_pe_entry(efi_handle_t handle,
+ efi_system_table_t *sys_table_arg);
-void efi_char16_printk(efi_system_table_t *, efi_char16_t *);
+#ifndef ARCH_HAS_EFISTUB_WRAPPERS
-unsigned long get_dram_base(efi_system_table_t *sys_table_arg);
+#define efi_is_native() (true)
+#define efi_bs_call(func, ...) efi_system_table->boottime->func(__VA_ARGS__)
+#define efi_rt_call(func, ...) efi_system_table->runtime->func(__VA_ARGS__)
+#define efi_table_attr(inst, attr) (inst->attr)
+#define efi_call_proto(inst, func, ...) inst->func(inst, ##__VA_ARGS__)
-efi_status_t allocate_new_fdt_and_exit_boot(efi_system_table_t *sys_table,
- void *handle,
+#endif
+
+#define efi_info(fmt, ...) \
+ efi_printk(KERN_INFO fmt, ##__VA_ARGS__)
+#define efi_warn(fmt, ...) \
+ efi_printk(KERN_WARNING "WARNING: " fmt, ##__VA_ARGS__)
+#define efi_err(fmt, ...) \
+ efi_printk(KERN_ERR "ERROR: " fmt, ##__VA_ARGS__)
+#define efi_debug(fmt, ...) \
+ efi_printk(KERN_DEBUG "DEBUG: " fmt, ##__VA_ARGS__)
+
+#define efi_printk_once(fmt, ...) \
+({ \
+ static bool __print_once; \
+ bool __ret_print_once = !__print_once; \
+ \
+ if (!__print_once) { \
+ __print_once = true; \
+ efi_printk(fmt, ##__VA_ARGS__); \
+ } \
+ __ret_print_once; \
+})
+
+#define efi_info_once(fmt, ...) \
+ efi_printk_once(KERN_INFO fmt, ##__VA_ARGS__)
+#define efi_warn_once(fmt, ...) \
+ efi_printk_once(KERN_WARNING "WARNING: " fmt, ##__VA_ARGS__)
+#define efi_err_once(fmt, ...) \
+ efi_printk_once(KERN_ERR "ERROR: " fmt, ##__VA_ARGS__)
+#define efi_debug_once(fmt, ...) \
+ efi_printk_once(KERN_DEBUG "DEBUG: " fmt, ##__VA_ARGS__)
+
+/* Helper macros for the usual case of using simple C variables: */
+#ifndef fdt_setprop_inplace_var
+#define fdt_setprop_inplace_var(fdt, node_offset, name, var) \
+ fdt_setprop_inplace((fdt), (node_offset), (name), &(var), sizeof(var))
+#endif
+
+#ifndef fdt_setprop_var
+#define fdt_setprop_var(fdt, node_offset, name, var) \
+ fdt_setprop((fdt), (node_offset), (name), &(var), sizeof(var))
+#endif
+
+#define get_efi_var(name, vendor, ...) \
+ efi_rt_call(get_variable, (efi_char16_t *)(name), \
+ (efi_guid_t *)(vendor), __VA_ARGS__)
+
+#define set_efi_var(name, vendor, ...) \
+ efi_rt_call(set_variable, (efi_char16_t *)(name), \
+ (efi_guid_t *)(vendor), __VA_ARGS__)
+
+#define efi_get_handle_at(array, idx) \
+ (efi_is_native() ? (array)[idx] \
+ : (efi_handle_t)(unsigned long)((u32 *)(array))[idx])
+
+#define efi_get_handle_num(size) \
+ ((size) / (efi_is_native() ? sizeof(efi_handle_t) : sizeof(u32)))
+
+#define for_each_efi_handle(handle, array, size, i) \
+ for (i = 0; \
+ i < efi_get_handle_num(size) && \
+ ((handle = efi_get_handle_at((array), i)) || true); \
+ i++)
+
+static inline
+void efi_set_u64_split(u64 data, u32 *lo, u32 *hi)
+{
+ *lo = lower_32_bits(data);
+ *hi = upper_32_bits(data);
+}
+
+/*
+ * Allocation types for calls to boottime->allocate_pages.
+ */
+#define EFI_ALLOCATE_ANY_PAGES 0
+#define EFI_ALLOCATE_MAX_ADDRESS 1
+#define EFI_ALLOCATE_ADDRESS 2
+#define EFI_MAX_ALLOCATE_TYPE 3
+
+/*
+ * The type of search to perform when calling boottime->locate_handle
+ */
+#define EFI_LOCATE_ALL_HANDLES 0
+#define EFI_LOCATE_BY_REGISTER_NOTIFY 1
+#define EFI_LOCATE_BY_PROTOCOL 2
+
+/*
+ * boottime->stall takes the time period in microseconds
+ */
+#define EFI_USEC_PER_SEC 1000000
+
+/*
+ * boottime->set_timer takes the time in 100ns units
+ */
+#define EFI_100NSEC_PER_USEC ((u64)10)
+
+/*
+ * An efi_boot_memmap is used by efi_get_memory_map() to return the
+ * EFI memory map in a dynamically allocated buffer.
+ *
+ * The buffer allocated for the EFI memory map includes extra room for
+ * a minimum of EFI_MMAP_NR_SLACK_SLOTS additional EFI memory descriptors.
+ * This facilitates the reuse of the EFI memory map buffer when a second
+ * call to ExitBootServices() is needed because of intervening changes to
+ * the EFI memory map. Other related structures, e.g. x86 e820ext, need
+ * to factor in this headroom requirement as well.
+ */
+#define EFI_MMAP_NR_SLACK_SLOTS 8
+
+struct efi_boot_memmap {
+ efi_memory_desc_t **map;
+ unsigned long *map_size;
+ unsigned long *desc_size;
+ u32 *desc_ver;
+ unsigned long *key_ptr;
+ unsigned long *buff_size;
+};
+
+typedef struct efi_generic_dev_path efi_device_path_protocol_t;
+
+typedef void *efi_event_t;
+/* Note that notifications won't work in mixed mode */
+typedef void (__efiapi *efi_event_notify_t)(efi_event_t, void *);
+
+#define EFI_EVT_TIMER 0x80000000U
+#define EFI_EVT_RUNTIME 0x40000000U
+#define EFI_EVT_NOTIFY_WAIT 0x00000100U
+#define EFI_EVT_NOTIFY_SIGNAL 0x00000200U
+
+/**
+ * efi_set_event_at() - add event to events array
+ *
+ * @events: array of UEFI events
+ * @ids: index where to put the event in the array
+ * @event: event to add to the aray
+ *
+ * boottime->wait_for_event() takes an array of events as input.
+ * Provide a helper to set it up correctly for mixed mode.
+ */
+static inline
+void efi_set_event_at(efi_event_t *events, size_t idx, efi_event_t event)
+{
+ if (efi_is_native())
+ events[idx] = event;
+ else
+ ((u32 *)events)[idx] = (u32)(unsigned long)event;
+}
+
+#define EFI_TPL_APPLICATION 4
+#define EFI_TPL_CALLBACK 8
+#define EFI_TPL_NOTIFY 16
+#define EFI_TPL_HIGH_LEVEL 31
+
+typedef enum {
+ EfiTimerCancel,
+ EfiTimerPeriodic,
+ EfiTimerRelative
+} EFI_TIMER_DELAY;
+
+/*
+ * EFI Boot Services table
+ */
+union efi_boot_services {
+ struct {
+ efi_table_hdr_t hdr;
+ void *raise_tpl;
+ void *restore_tpl;
+ efi_status_t (__efiapi *allocate_pages)(int, int, unsigned long,
+ efi_physical_addr_t *);
+ efi_status_t (__efiapi *free_pages)(efi_physical_addr_t,
+ unsigned long);
+ efi_status_t (__efiapi *get_memory_map)(unsigned long *, void *,
+ unsigned long *,
+ unsigned long *, u32 *);
+ efi_status_t (__efiapi *allocate_pool)(int, unsigned long,
+ void **);
+ efi_status_t (__efiapi *free_pool)(void *);
+ efi_status_t (__efiapi *create_event)(u32, unsigned long,
+ efi_event_notify_t, void *,
+ efi_event_t *);
+ efi_status_t (__efiapi *set_timer)(efi_event_t,
+ EFI_TIMER_DELAY, u64);
+ efi_status_t (__efiapi *wait_for_event)(unsigned long,
+ efi_event_t *,
+ unsigned long *);
+ void *signal_event;
+ efi_status_t (__efiapi *close_event)(efi_event_t);
+ void *check_event;
+ void *install_protocol_interface;
+ void *reinstall_protocol_interface;
+ void *uninstall_protocol_interface;
+ efi_status_t (__efiapi *handle_protocol)(efi_handle_t,
+ efi_guid_t *, void **);
+ void *__reserved;
+ void *register_protocol_notify;
+ efi_status_t (__efiapi *locate_handle)(int, efi_guid_t *,
+ void *, unsigned long *,
+ efi_handle_t *);
+ efi_status_t (__efiapi *locate_device_path)(efi_guid_t *,
+ efi_device_path_protocol_t **,
+ efi_handle_t *);
+ efi_status_t (__efiapi *install_configuration_table)(efi_guid_t *,
+ void *);
+ void *load_image;
+ void *start_image;
+ efi_status_t __noreturn (__efiapi *exit)(efi_handle_t,
+ efi_status_t,
+ unsigned long,
+ efi_char16_t *);
+ void *unload_image;
+ efi_status_t (__efiapi *exit_boot_services)(efi_handle_t,
+ unsigned long);
+ void *get_next_monotonic_count;
+ efi_status_t (__efiapi *stall)(unsigned long);
+ void *set_watchdog_timer;
+ void *connect_controller;
+ efi_status_t (__efiapi *disconnect_controller)(efi_handle_t,
+ efi_handle_t,
+ efi_handle_t);
+ void *open_protocol;
+ void *close_protocol;
+ void *open_protocol_information;
+ void *protocols_per_handle;
+ void *locate_handle_buffer;
+ efi_status_t (__efiapi *locate_protocol)(efi_guid_t *, void *,
+ void **);
+ void *install_multiple_protocol_interfaces;
+ void *uninstall_multiple_protocol_interfaces;
+ void *calculate_crc32;
+ void *copy_mem;
+ void *set_mem;
+ void *create_event_ex;
+ };
+ struct {
+ efi_table_hdr_t hdr;
+ u32 raise_tpl;
+ u32 restore_tpl;
+ u32 allocate_pages;
+ u32 free_pages;
+ u32 get_memory_map;
+ u32 allocate_pool;
+ u32 free_pool;
+ u32 create_event;
+ u32 set_timer;
+ u32 wait_for_event;
+ u32 signal_event;
+ u32 close_event;
+ u32 check_event;
+ u32 install_protocol_interface;
+ u32 reinstall_protocol_interface;
+ u32 uninstall_protocol_interface;
+ u32 handle_protocol;
+ u32 __reserved;
+ u32 register_protocol_notify;
+ u32 locate_handle;
+ u32 locate_device_path;
+ u32 install_configuration_table;
+ u32 load_image;
+ u32 start_image;
+ u32 exit;
+ u32 unload_image;
+ u32 exit_boot_services;
+ u32 get_next_monotonic_count;
+ u32 stall;
+ u32 set_watchdog_timer;
+ u32 connect_controller;
+ u32 disconnect_controller;
+ u32 open_protocol;
+ u32 close_protocol;
+ u32 open_protocol_information;
+ u32 protocols_per_handle;
+ u32 locate_handle_buffer;
+ u32 locate_protocol;
+ u32 install_multiple_protocol_interfaces;
+ u32 uninstall_multiple_protocol_interfaces;
+ u32 calculate_crc32;
+ u32 copy_mem;
+ u32 set_mem;
+ u32 create_event_ex;
+ } mixed_mode;
+};
+
+typedef union efi_uga_draw_protocol efi_uga_draw_protocol_t;
+
+union efi_uga_draw_protocol {
+ struct {
+ efi_status_t (__efiapi *get_mode)(efi_uga_draw_protocol_t *,
+ u32*, u32*, u32*, u32*);
+ void *set_mode;
+ void *blt;
+ };
+ struct {
+ u32 get_mode;
+ u32 set_mode;
+ u32 blt;
+ } mixed_mode;
+};
+
+typedef struct {
+ u16 scan_code;
+ efi_char16_t unicode_char;
+} efi_input_key_t;
+
+union efi_simple_text_input_protocol {
+ struct {
+ void *reset;
+ efi_status_t (__efiapi *read_keystroke)(efi_simple_text_input_protocol_t *,
+ efi_input_key_t *);
+ efi_event_t wait_for_key;
+ };
+ struct {
+ u32 reset;
+ u32 read_keystroke;
+ u32 wait_for_key;
+ } mixed_mode;
+};
+
+efi_status_t efi_wait_for_key(unsigned long usec, efi_input_key_t *key);
+
+union efi_simple_text_output_protocol {
+ struct {
+ void *reset;
+ efi_status_t (__efiapi *output_string)(efi_simple_text_output_protocol_t *,
+ efi_char16_t *);
+ void *test_string;
+ };
+ struct {
+ u32 reset;
+ u32 output_string;
+ u32 test_string;
+ } mixed_mode;
+};
+
+#define PIXEL_RGB_RESERVED_8BIT_PER_COLOR 0
+#define PIXEL_BGR_RESERVED_8BIT_PER_COLOR 1
+#define PIXEL_BIT_MASK 2
+#define PIXEL_BLT_ONLY 3
+#define PIXEL_FORMAT_MAX 4
+
+typedef struct {
+ u32 red_mask;
+ u32 green_mask;
+ u32 blue_mask;
+ u32 reserved_mask;
+} efi_pixel_bitmask_t;
+
+typedef struct {
+ u32 version;
+ u32 horizontal_resolution;
+ u32 vertical_resolution;
+ int pixel_format;
+ efi_pixel_bitmask_t pixel_information;
+ u32 pixels_per_scan_line;
+} efi_graphics_output_mode_info_t;
+
+typedef union efi_graphics_output_protocol_mode efi_graphics_output_protocol_mode_t;
+
+union efi_graphics_output_protocol_mode {
+ struct {
+ u32 max_mode;
+ u32 mode;
+ efi_graphics_output_mode_info_t *info;
+ unsigned long size_of_info;
+ efi_physical_addr_t frame_buffer_base;
+ unsigned long frame_buffer_size;
+ };
+ struct {
+ u32 max_mode;
+ u32 mode;
+ u32 info;
+ u32 size_of_info;
+ u64 frame_buffer_base;
+ u32 frame_buffer_size;
+ } mixed_mode;
+};
+
+typedef union efi_graphics_output_protocol efi_graphics_output_protocol_t;
+
+union efi_graphics_output_protocol {
+ struct {
+ efi_status_t (__efiapi *query_mode)(efi_graphics_output_protocol_t *,
+ u32, unsigned long *,
+ efi_graphics_output_mode_info_t **);
+ efi_status_t (__efiapi *set_mode) (efi_graphics_output_protocol_t *, u32);
+ void *blt;
+ efi_graphics_output_protocol_mode_t *mode;
+ };
+ struct {
+ u32 query_mode;
+ u32 set_mode;
+ u32 blt;
+ u32 mode;
+ } mixed_mode;
+};
+
+typedef union {
+ struct {
+ u32 revision;
+ efi_handle_t parent_handle;
+ efi_system_table_t *system_table;
+ efi_handle_t device_handle;
+ void *file_path;
+ void *reserved;
+ u32 load_options_size;
+ void *load_options;
+ void *image_base;
+ __aligned_u64 image_size;
+ unsigned int image_code_type;
+ unsigned int image_data_type;
+ efi_status_t (__efiapi *unload)(efi_handle_t image_handle);
+ };
+ struct {
+ u32 revision;
+ u32 parent_handle;
+ u32 system_table;
+ u32 device_handle;
+ u32 file_path;
+ u32 reserved;
+ u32 load_options_size;
+ u32 load_options;
+ u32 image_base;
+ __aligned_u64 image_size;
+ u32 image_code_type;
+ u32 image_data_type;
+ u32 unload;
+ } mixed_mode;
+} efi_loaded_image_t;
+
+typedef struct {
+ u64 size;
+ u64 file_size;
+ u64 phys_size;
+ efi_time_t create_time;
+ efi_time_t last_access_time;
+ efi_time_t modification_time;
+ __aligned_u64 attribute;
+ efi_char16_t filename[];
+} efi_file_info_t;
+
+typedef struct efi_file_protocol efi_file_protocol_t;
+
+struct efi_file_protocol {
+ u64 revision;
+ efi_status_t (__efiapi *open) (efi_file_protocol_t *,
+ efi_file_protocol_t **,
+ efi_char16_t *, u64, u64);
+ efi_status_t (__efiapi *close) (efi_file_protocol_t *);
+ efi_status_t (__efiapi *delete) (efi_file_protocol_t *);
+ efi_status_t (__efiapi *read) (efi_file_protocol_t *,
+ unsigned long *, void *);
+ efi_status_t (__efiapi *write) (efi_file_protocol_t *,
+ unsigned long, void *);
+ efi_status_t (__efiapi *get_position)(efi_file_protocol_t *, u64 *);
+ efi_status_t (__efiapi *set_position)(efi_file_protocol_t *, u64);
+ efi_status_t (__efiapi *get_info) (efi_file_protocol_t *,
+ efi_guid_t *, unsigned long *,
+ void *);
+ efi_status_t (__efiapi *set_info) (efi_file_protocol_t *,
+ efi_guid_t *, unsigned long,
+ void *);
+ efi_status_t (__efiapi *flush) (efi_file_protocol_t *);
+};
+
+typedef struct efi_simple_file_system_protocol efi_simple_file_system_protocol_t;
+
+struct efi_simple_file_system_protocol {
+ u64 revision;
+ int (__efiapi *open_volume)(efi_simple_file_system_protocol_t *,
+ efi_file_protocol_t **);
+};
+
+#define EFI_FILE_MODE_READ 0x0000000000000001
+#define EFI_FILE_MODE_WRITE 0x0000000000000002
+#define EFI_FILE_MODE_CREATE 0x8000000000000000
+
+typedef enum {
+ EfiPciIoWidthUint8,
+ EfiPciIoWidthUint16,
+ EfiPciIoWidthUint32,
+ EfiPciIoWidthUint64,
+ EfiPciIoWidthFifoUint8,
+ EfiPciIoWidthFifoUint16,
+ EfiPciIoWidthFifoUint32,
+ EfiPciIoWidthFifoUint64,
+ EfiPciIoWidthFillUint8,
+ EfiPciIoWidthFillUint16,
+ EfiPciIoWidthFillUint32,
+ EfiPciIoWidthFillUint64,
+ EfiPciIoWidthMaximum
+} EFI_PCI_IO_PROTOCOL_WIDTH;
+
+typedef enum {
+ EfiPciIoAttributeOperationGet,
+ EfiPciIoAttributeOperationSet,
+ EfiPciIoAttributeOperationEnable,
+ EfiPciIoAttributeOperationDisable,
+ EfiPciIoAttributeOperationSupported,
+ EfiPciIoAttributeOperationMaximum
+} EFI_PCI_IO_PROTOCOL_ATTRIBUTE_OPERATION;
+
+typedef struct {
+ u32 read;
+ u32 write;
+} efi_pci_io_protocol_access_32_t;
+
+typedef union efi_pci_io_protocol efi_pci_io_protocol_t;
+
+typedef
+efi_status_t (__efiapi *efi_pci_io_protocol_cfg_t)(efi_pci_io_protocol_t *,
+ EFI_PCI_IO_PROTOCOL_WIDTH,
+ u32 offset,
+ unsigned long count,
+ void *buffer);
+
+typedef struct {
+ void *read;
+ void *write;
+} efi_pci_io_protocol_access_t;
+
+typedef struct {
+ efi_pci_io_protocol_cfg_t read;
+ efi_pci_io_protocol_cfg_t write;
+} efi_pci_io_protocol_config_access_t;
+
+union efi_pci_io_protocol {
+ struct {
+ void *poll_mem;
+ void *poll_io;
+ efi_pci_io_protocol_access_t mem;
+ efi_pci_io_protocol_access_t io;
+ efi_pci_io_protocol_config_access_t pci;
+ void *copy_mem;
+ void *map;
+ void *unmap;
+ void *allocate_buffer;
+ void *free_buffer;
+ void *flush;
+ efi_status_t (__efiapi *get_location)(efi_pci_io_protocol_t *,
+ unsigned long *segment_nr,
+ unsigned long *bus_nr,
+ unsigned long *device_nr,
+ unsigned long *func_nr);
+ void *attributes;
+ void *get_bar_attributes;
+ void *set_bar_attributes;
+ uint64_t romsize;
+ void *romimage;
+ };
+ struct {
+ u32 poll_mem;
+ u32 poll_io;
+ efi_pci_io_protocol_access_32_t mem;
+ efi_pci_io_protocol_access_32_t io;
+ efi_pci_io_protocol_access_32_t pci;
+ u32 copy_mem;
+ u32 map;
+ u32 unmap;
+ u32 allocate_buffer;
+ u32 free_buffer;
+ u32 flush;
+ u32 get_location;
+ u32 attributes;
+ u32 get_bar_attributes;
+ u32 set_bar_attributes;
+ u64 romsize;
+ u32 romimage;
+ } mixed_mode;
+};
+
+#define EFI_PCI_IO_ATTRIBUTE_ISA_MOTHERBOARD_IO 0x0001
+#define EFI_PCI_IO_ATTRIBUTE_ISA_IO 0x0002
+#define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO 0x0004
+#define EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY 0x0008
+#define EFI_PCI_IO_ATTRIBUTE_VGA_IO 0x0010
+#define EFI_PCI_IO_ATTRIBUTE_IDE_PRIMARY_IO 0x0020
+#define EFI_PCI_IO_ATTRIBUTE_IDE_SECONDARY_IO 0x0040
+#define EFI_PCI_IO_ATTRIBUTE_MEMORY_WRITE_COMBINE 0x0080
+#define EFI_PCI_IO_ATTRIBUTE_IO 0x0100
+#define EFI_PCI_IO_ATTRIBUTE_MEMORY 0x0200
+#define EFI_PCI_IO_ATTRIBUTE_BUS_MASTER 0x0400
+#define EFI_PCI_IO_ATTRIBUTE_MEMORY_CACHED 0x0800
+#define EFI_PCI_IO_ATTRIBUTE_MEMORY_DISABLE 0x1000
+#define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_DEVICE 0x2000
+#define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM 0x4000
+#define EFI_PCI_IO_ATTRIBUTE_DUAL_ADDRESS_CYCLE 0x8000
+#define EFI_PCI_IO_ATTRIBUTE_ISA_IO_16 0x10000
+#define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO_16 0x20000
+#define EFI_PCI_IO_ATTRIBUTE_VGA_IO_16 0x40000
+
+struct efi_dev_path;
+
+typedef union apple_properties_protocol apple_properties_protocol_t;
+
+union apple_properties_protocol {
+ struct {
+ unsigned long version;
+ efi_status_t (__efiapi *get)(apple_properties_protocol_t *,
+ struct efi_dev_path *,
+ efi_char16_t *, void *, u32 *);
+ efi_status_t (__efiapi *set)(apple_properties_protocol_t *,
+ struct efi_dev_path *,
+ efi_char16_t *, void *, u32);
+ efi_status_t (__efiapi *del)(apple_properties_protocol_t *,
+ struct efi_dev_path *,
+ efi_char16_t *);
+ efi_status_t (__efiapi *get_all)(apple_properties_protocol_t *,
+ void *buffer, u32 *);
+ };
+ struct {
+ u32 version;
+ u32 get;
+ u32 set;
+ u32 del;
+ u32 get_all;
+ } mixed_mode;
+};
+
+typedef u32 efi_tcg2_event_log_format;
+
+typedef union efi_tcg2_protocol efi_tcg2_protocol_t;
+
+union efi_tcg2_protocol {
+ struct {
+ void *get_capability;
+ efi_status_t (__efiapi *get_event_log)(efi_handle_t,
+ efi_tcg2_event_log_format,
+ efi_physical_addr_t *,
+ efi_physical_addr_t *,
+ efi_bool_t *);
+ void *hash_log_extend_event;
+ void *submit_command;
+ void *get_active_pcr_banks;
+ void *set_active_pcr_banks;
+ void *get_result_of_set_active_pcr_banks;
+ };
+ struct {
+ u32 get_capability;
+ u32 get_event_log;
+ u32 hash_log_extend_event;
+ u32 submit_command;
+ u32 get_active_pcr_banks;
+ u32 set_active_pcr_banks;
+ u32 get_result_of_set_active_pcr_banks;
+ } mixed_mode;
+};
+
+typedef union efi_load_file_protocol efi_load_file_protocol_t;
+typedef union efi_load_file_protocol efi_load_file2_protocol_t;
+
+union efi_load_file_protocol {
+ struct {
+ efi_status_t (__efiapi *load_file)(efi_load_file_protocol_t *,
+ efi_device_path_protocol_t *,
+ bool, unsigned long *, void *);
+ };
+ struct {
+ u32 load_file;
+ } mixed_mode;
+};
+
+typedef struct {
+ u32 attributes;
+ u16 file_path_list_length;
+ u8 variable_data[];
+ // efi_char16_t description[];
+ // efi_device_path_protocol_t file_path_list[];
+ // u8 optional_data[];
+} __packed efi_load_option_t;
+
+#define EFI_LOAD_OPTION_ACTIVE 0x0001U
+#define EFI_LOAD_OPTION_FORCE_RECONNECT 0x0002U
+#define EFI_LOAD_OPTION_HIDDEN 0x0008U
+#define EFI_LOAD_OPTION_CATEGORY 0x1f00U
+#define EFI_LOAD_OPTION_CATEGORY_BOOT 0x0000U
+#define EFI_LOAD_OPTION_CATEGORY_APP 0x0100U
+
+#define EFI_LOAD_OPTION_BOOT_MASK \
+ (EFI_LOAD_OPTION_ACTIVE|EFI_LOAD_OPTION_HIDDEN|EFI_LOAD_OPTION_CATEGORY)
+#define EFI_LOAD_OPTION_MASK (EFI_LOAD_OPTION_FORCE_RECONNECT|EFI_LOAD_OPTION_BOOT_MASK)
+
+typedef struct {
+ u32 attributes;
+ u16 file_path_list_length;
+ const efi_char16_t *description;
+ const efi_device_path_protocol_t *file_path_list;
+ size_t optional_data_size;
+ const void *optional_data;
+} efi_load_option_unpacked_t;
+
+void efi_pci_disable_bridge_busmaster(void);
+
+typedef efi_status_t (*efi_exit_boot_map_processing)(
+ struct efi_boot_memmap *map,
+ void *priv);
+
+efi_status_t efi_exit_boot_services(void *handle,
+ struct efi_boot_memmap *map,
+ void *priv,
+ efi_exit_boot_map_processing priv_func);
+
+efi_status_t allocate_new_fdt_and_exit_boot(void *handle,
unsigned long *new_fdt_addr,
unsigned long max_addr,
u64 initrd_addr, u64 initrd_size,
@@ -48,21 +756,96 @@
unsigned long fdt_addr,
unsigned long fdt_size);
-void *get_fdt(efi_system_table_t *sys_table, unsigned long *fdt_size);
+void *get_fdt(unsigned long *fdt_size);
void efi_get_virtmap(efi_memory_desc_t *memory_map, unsigned long map_size,
unsigned long desc_size, efi_memory_desc_t *runtime_map,
int *count);
-efi_status_t efi_get_random_bytes(efi_system_table_t *sys_table,
- unsigned long size, u8 *out);
+efi_status_t efi_get_random_bytes(unsigned long size, u8 *out);
-efi_status_t efi_random_alloc(efi_system_table_t *sys_table_arg,
- unsigned long size, unsigned long align,
+efi_status_t efi_random_alloc(unsigned long size, unsigned long align,
unsigned long *addr, unsigned long random_seed);
-efi_status_t check_platform_features(efi_system_table_t *sys_table_arg);
+efi_status_t check_platform_features(void);
-efi_status_t efi_random_get_seed(efi_system_table_t *sys_table_arg);
+void *get_efi_config_table(efi_guid_t guid);
+
+/* NOTE: These functions do not print a trailing newline after the string */
+void efi_char16_puts(efi_char16_t *);
+void efi_puts(const char *str);
+
+__printf(1, 2) int efi_printk(char const *fmt, ...);
+
+void efi_free(unsigned long size, unsigned long addr);
+
+void efi_apply_loadoptions_quirk(const void **load_options, int *load_options_size);
+
+char *efi_convert_cmdline(efi_loaded_image_t *image, int *cmd_line_len);
+
+efi_status_t efi_get_memory_map(struct efi_boot_memmap *map);
+
+efi_status_t efi_allocate_pages(unsigned long size, unsigned long *addr,
+ unsigned long max);
+
+efi_status_t efi_allocate_pages_aligned(unsigned long size, unsigned long *addr,
+ unsigned long max, unsigned long align);
+
+efi_status_t efi_low_alloc_above(unsigned long size, unsigned long align,
+ unsigned long *addr, unsigned long min);
+
+efi_status_t efi_relocate_kernel(unsigned long *image_addr,
+ unsigned long image_size,
+ unsigned long alloc_size,
+ unsigned long preferred_addr,
+ unsigned long alignment,
+ unsigned long min_addr);
+
+efi_status_t efi_parse_options(char const *cmdline);
+
+void efi_parse_option_graphics(char *option);
+
+efi_status_t efi_setup_gop(struct screen_info *si, efi_guid_t *proto,
+ unsigned long size);
+
+efi_status_t handle_cmdline_files(efi_loaded_image_t *image,
+ const efi_char16_t *optstr,
+ int optstr_size,
+ unsigned long soft_limit,
+ unsigned long hard_limit,
+ unsigned long *load_addr,
+ unsigned long *load_size);
+
+
+static inline efi_status_t efi_load_dtb(efi_loaded_image_t *image,
+ unsigned long *load_addr,
+ unsigned long *load_size)
+{
+ return handle_cmdline_files(image, L"dtb=", sizeof(L"dtb=") - 2,
+ ULONG_MAX, ULONG_MAX, load_addr, load_size);
+}
+
+efi_status_t efi_load_initrd(efi_loaded_image_t *image,
+ unsigned long *load_addr,
+ unsigned long *load_size,
+ unsigned long soft_limit,
+ unsigned long hard_limit);
+/*
+ * This function handles the architcture specific differences between arm and
+ * arm64 regarding where the kernel image must be loaded and any memory that
+ * must be reserved. On failure it is required to free all
+ * all allocations it has made.
+ */
+efi_status_t handle_kernel_image(unsigned long *image_addr,
+ unsigned long *image_size,
+ unsigned long *reserve_addr,
+ unsigned long *reserve_size,
+ efi_loaded_image_t *image);
+
+asmlinkage void __noreturn efi_enter_kernel(unsigned long entrypoint,
+ unsigned long fdt_addr,
+ unsigned long fdt_size);
+
+void efi_handle_post_ebs_state(void);
#endif
--
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