acrn-hypervisor/efi-stub/boot.h

163 lines
5.5 KiB
C

/*
* Copyright (c) 2011, Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __ACRNBOOT_H__
#define __ACRNBOOT_H__
#include "multiboot.h"
#define E820_RAM 1
#define E820_RESERVED 2
#define E820_ACPI 3
#define E820_NVS 4
#define E820_UNUSABLE 5
#define ERROR_STRING_LENGTH 32
#define EFI_LOADER_SIGNATURE "EL64"
#define ACPI_XSDT_ENTRY_SIZE (sizeof(UINT64))
#define ACPI_NAME_SIZE 4
#define ACPI_OEM_ID_SIZE 6
#define ACPI_OEM_TABLE_ID_SIZE 8
#define MSR_IA32_PAT 0x00000277 /* PAT */
#define MSR_IA32_EFER 0xC0000080
#define MSR_IA32_FS_BASE 0xC0000100U
#define MSR_IA32_GS_BASE 0xC0000101
#define MSR_IA32_SYSENTER_ESP 0x00000175 /* ESP for sysenter */
#define MSR_IA32_SYSENTER_EIP 0x00000176 /* EIP for sysenter */
#define UEFI_BOOT_LOADER_NAME "ACRN UEFI loader"
/* Read MSR */
#define CPU_MSR_READ(reg, msr_val_ptr) \
{ \
uint32_t msrl, msrh; \
asm volatile ("rdmsr" : "=a"(msrl), \
"=d"(msrh) : "c" (reg)); \
*msr_val_ptr = ((uint64_t)msrh << 32U) | msrl; \
}
EFI_STATUS get_pe_section(CHAR8 *base, char *section, UINTN *vaddr, UINTN *size);
typedef void(*hv_func)(int32_t, struct multiboot_info*);
/*
* We allocate memory for the following struct together with hyperivosr itself
* memory allocation during boot.
*/
#define MBOOT_MMAP_NUMS 256
#define MBOOT_MMAP_SIZE (sizeof(struct multiboot_mmap) * MBOOT_MMAP_NUMS)
#define MBOOT_INFO_SIZE (sizeof(struct multiboot_info))
#define BOOT_CTX_SIZE (sizeof(struct uefi_context))
#define BOOT_LOADER_NAME_SIZE 17U
#define EFI_BOOT_MEM_SIZE \
(MBOOT_MMAP_SIZE + MBOOT_INFO_SIZE + BOOT_CTX_SIZE + BOOT_LOADER_NAME_SIZE)
#define MBOOT_MMAP_PTR(addr) \
((struct multiboot_mmap *)((VOID *)(addr)))
#define MBOOT_INFO_PTR(addr) \
((struct multiboot_info *)((VOID *)(addr) + MBOOT_MMAP_SIZE))
#define BOOT_CTX_PTR(addr) \
((struct uefi_context *)((VOID *)(addr) + MBOOT_MMAP_SIZE + MBOOT_INFO_SIZE))
#define BOOT_LOADER_NAME_PTR(addr) \
((char *)((VOID *)(addr) + MBOOT_MMAP_SIZE + MBOOT_INFO_SIZE + BOOT_CTX_SIZE))
struct efi_info {
UINT32 efi_loader_signature;
UINT32 efi_systab;
UINT32 efi_memdesc_size;
UINT32 efi_memdesc_version;
UINT32 efi_memmap;
UINT32 efi_memmap_size;
UINT32 efi_systab_hi;
UINT32 efi_memmap_hi;
};
struct e820_entry {
UINT64 addr; /* start of memory segment */
UINT64 size; /* size of memory segment */
UINT32 type; /* type of memory segment */
} __attribute__((packed));
struct acpi_table_rsdp {
/* ACPI signature, contains "RSD PTR " */
char signature[8];
/* ACPI 1.0 checksum */
UINT8 checksum;
/* OEM identification */
char oem_id[ACPI_OEM_ID_SIZE];
/* Must be (0) for ACPI 1.0 or (2) for ACPI 2.0+ */
UINT8 revision;
/* 32-bit physical address of the RSDT */
UINT32 rsdt_physical_address;
/* Table length in bytes, including header (ACPI 2.0+) */
UINT32 length;
/* 64-bit physical address of the XSDT (ACPI 2.0+) */
UINT64 xsdt_physical_address;
/* Checksum of entire table (ACPI 2.0+) */
UINT8 extended_checksum;
/* Reserved, must be zero */
UINT8 reserved[3];
};
struct acpi_table_header {
/* ASCII table signature */
char signature[ACPI_NAME_SIZE];
/* Length of table in bytes, including this header */
UINT32 length;
/* ACPI Specification minor version number */
UINT8 revision;
/* To make sum of entire table == 0 */
UINT8 checksum;
/* ASCII OEM identification */
char oem_id[ACPI_OEM_ID_SIZE];
/* ASCII OEM table identification */
char oem_table_id[ACPI_OEM_TABLE_ID_SIZE];
/* OEM revision number */
UINT32 oem_revision;
/* ASCII ASL compiler vendor ID */
char asl_compiler_id[ACPI_NAME_SIZE];
/* ASL compiler version */
UINT32 asl_compiler_revision;
};
static inline uint64_t
msr_read(uint32_t reg_num)
{
uint64_t msr_val;
CPU_MSR_READ(reg_num, &msr_val);
return msr_val;
}
#endif