1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
/*
* Misc ARM declarations
*
* Copyright (c) 2006 CodeSourcery.
* Written by Paul Brook
*
* This code is licensed under the LGPL.
*
*/
#ifndef ARM_MISC_H
#define ARM_MISC_H 1
#include "memory.h"
/* The CPU is also modeled as an interrupt controller. */
#define ARM_PIC_CPU_IRQ 0
#define ARM_PIC_CPU_FIQ 1
qemu_irq *arm_pic_init_cpu(ARMCPU *cpu);
/* armv7m.c */
qemu_irq *armv7m_init(MemoryRegion *address_space_mem,
int flash_size, int sram_size,
const char *kernel_filename, const char *cpu_model);
/* arm_boot.c */
struct arm_boot_info {
uint64_t ram_size;
const char *kernel_filename;
const char *kernel_cmdline;
const char *initrd_filename;
const char *dtb_filename;
target_phys_addr_t loader_start;
/* multicore boards that use the default secondary core boot functions
* need to put the address of the secondary boot code, the boot reg,
* and the GIC address in the next 3 values, respectively. boards that
* have their own boot functions can use these values as they want.
*/
target_phys_addr_t smp_loader_start;
target_phys_addr_t smp_bootreg_addr;
target_phys_addr_t gic_cpu_if_addr;
int nb_cpus;
int board_id;
int (*atag_board)(const struct arm_boot_info *info, void *p);
/* multicore boards that use the default secondary core boot functions
* can ignore these two function calls. If the default functions won't
* work, then write_secondary_boot() should write a suitable blob of
* code mimicking the secondary CPU startup process used by the board's
* boot loader/boot ROM code, and secondary_cpu_reset_hook() should
* perform any necessary CPU reset handling and set the PC for the
* secondary CPUs to point at this boot blob.
*/
void (*write_secondary_boot)(ARMCPU *cpu,
const struct arm_boot_info *info);
void (*secondary_cpu_reset_hook)(ARMCPU *cpu,
const struct arm_boot_info *info);
/* Used internally by arm_boot.c */
int is_linux;
target_phys_addr_t initrd_size;
target_phys_addr_t entry;
};
void arm_load_kernel(ARMCPU *cpu, struct arm_boot_info *info);
/* Multiplication factor to convert from system clock ticks to qemu timer
ticks. */
extern int system_clock_scale;
#endif /* !ARM_MISC_H */
|
