f19f9db8df
In order to mitigate at runtime whether it booted on multiboot or EFI, let's introduce a dedicated x86 cpu argument structure which holds the type and the actual pointer delivered by the method (multiboot_info, or efi_system_table) Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
79 lines
2 KiB
C
79 lines
2 KiB
C
/*
|
|
* Copyright (c) 2019 Intel Corporation
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#ifndef ZEPHYR_ARCH_X86_INCLUDE_KERNEL_ARCH_DATA_H_
|
|
#define ZEPHYR_ARCH_X86_INCLUDE_KERNEL_ARCH_DATA_H_
|
|
|
|
/*
|
|
* Exception/interrupt vector definitions: vectors 20 to 31 are reserved
|
|
* for Intel; vectors 32 to 255 are user defined interrupt vectors.
|
|
*/
|
|
|
|
#define IV_DIVIDE_ERROR 0
|
|
#define IV_DEBUG 1
|
|
#define IV_NON_MASKABLE_INTERRUPT 2
|
|
#define IV_BREAKPOINT 3
|
|
#define IV_OVERFLOW 4
|
|
#define IV_BOUND_RANGE 5
|
|
#define IV_INVALID_OPCODE 6
|
|
#define IV_DEVICE_NOT_AVAILABLE 7
|
|
#define IV_DOUBLE_FAULT 8
|
|
#define IV_COPROC_SEGMENT_OVERRUN 9
|
|
#define IV_INVALID_TSS 10
|
|
#define IV_SEGMENT_NOT_PRESENT 11
|
|
#define IV_STACK_FAULT 12
|
|
#define IV_GENERAL_PROTECTION 13
|
|
#define IV_PAGE_FAULT 14
|
|
#define IV_RESERVED 15
|
|
#define IV_X87_FPU_FP_ERROR 16
|
|
#define IV_ALIGNMENT_CHECK 17
|
|
#define IV_MACHINE_CHECK 18
|
|
#define IV_SIMD_FP 19
|
|
#define IV_VIRT_EXCEPTION 20
|
|
#define IV_SECURITY_EXCEPTION 30
|
|
|
|
#define IV_IRQS 32 /* start of vectors available for IRQs */
|
|
#define IV_NR_VECTORS 256 /* total number of vectors */
|
|
|
|
/*
|
|
* EFLAGS/RFLAGS definitions. (RFLAGS is just zero-extended EFLAGS.)
|
|
*/
|
|
|
|
#define EFLAGS_IF BIT(9) /* interrupts enabled */
|
|
#define EFLAGS_DF BIT(10) /* Direction flag */
|
|
|
|
#define EFLAGS_INITIAL (EFLAGS_IF)
|
|
#define EFLAGS_SYSCALL (EFLAGS_IF | EFLAGS_DF)
|
|
/*
|
|
* Control register definitions.
|
|
*/
|
|
|
|
#define CR0_PG BIT(31) /* enable paging */
|
|
#define CR0_WP BIT(16) /* honor W bit even when supervisor */
|
|
|
|
#define CR4_PSE BIT(4) /* Page size extension (4MB pages) */
|
|
#define CR4_PAE BIT(5) /* enable PAE */
|
|
#define CR4_OSFXSR BIT(9) /* enable SSE (OS FXSAVE/RSTOR) */
|
|
|
|
#ifndef _ASMLANGUAGE
|
|
|
|
/* x86 boot argument (see prep_c.c) */
|
|
struct x86_boot_arg {
|
|
int boot_type;
|
|
void *arg;
|
|
};
|
|
|
|
typedef struct x86_boot_arg x86_boot_arg_t;
|
|
|
|
#endif /* _ASMLANGUAGE */
|
|
|
|
#ifdef CONFIG_X86_64
|
|
#include <intel64/kernel_arch_data.h>
|
|
#else
|
|
#include <ia32/kernel_arch_data.h>
|
|
#endif
|
|
|
|
#endif /* ZEPHYR_ARCH_X86_INCLUDE_KERNEL_ARCH_DATA_H_ */
|