2 * Misc ARM declarations
4 * Copyright (c) 2006 CodeSourcery.
5 * Written by Paul Brook
7 * This code is licensed under the LGPL.
14 #include "exec/memory.h"
18 qemu_irq
*armv7m_init(MemoryRegion
*system_memory
, int mem_size
, int num_irq
,
19 const char *kernel_filename
, const char *cpu_model
);
22 struct arm_boot_info
{
24 const char *kernel_filename
;
25 const char *kernel_cmdline
;
26 const char *initrd_filename
;
27 const char *dtb_filename
;
29 /* multicore boards that use the default secondary core boot functions
30 * need to put the address of the secondary boot code, the boot reg,
31 * and the GIC address in the next 3 values, respectively. boards that
32 * have their own boot functions can use these values as they want.
34 hwaddr smp_loader_start
;
35 hwaddr smp_bootreg_addr
;
36 hwaddr gic_cpu_if_addr
;
39 /* ARM machines that support the ARM Security Extensions use this field to
40 * control whether Linux is booted as secure(true) or non-secure(false).
43 int (*atag_board
)(const struct arm_boot_info
*info
, void *p
);
44 /* multicore boards that use the default secondary core boot functions
45 * can ignore these two function calls. If the default functions won't
46 * work, then write_secondary_boot() should write a suitable blob of
47 * code mimicking the secondary CPU startup process used by the board's
48 * boot loader/boot ROM code, and secondary_cpu_reset_hook() should
49 * perform any necessary CPU reset handling and set the PC for the
50 * secondary CPUs to point at this boot blob.
52 void (*write_secondary_boot
)(ARMCPU
*cpu
,
53 const struct arm_boot_info
*info
);
54 void (*secondary_cpu_reset_hook
)(ARMCPU
*cpu
,
55 const struct arm_boot_info
*info
);
56 /* if a board is able to create a dtb without a dtb file then it
57 * sets get_dtb. This will only be used if no dtb file is provided
58 * by the user. On success, sets *size to the length of the created
59 * dtb, and returns a pointer to it. (The caller must free this memory
60 * with g_free() when it has finished with it.) On failure, returns NULL.
62 void *(*get_dtb
)(const struct arm_boot_info
*info
, int *size
);
63 /* if a board needs to be able to modify a device tree provided by
64 * the user it should implement this hook.
66 void (*modify_dtb
)(const struct arm_boot_info
*info
, void *fdt
);
67 /* Used internally by arm_boot.c */
73 /* Boot firmware has been loaded, typically at address 0, with -bios or
74 * -pflash. It also implies that fw_cfg_find() will succeed.
78 void arm_load_kernel(ARMCPU
*cpu
, struct arm_boot_info
*info
);
80 /* Multiplication factor to convert from system clock ticks to qemu timer
82 extern int system_clock_scale
;
84 #endif /* !ARM_MISC_H */