Archipelago » qemu

/*

 * 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 "exec/memory.h"

#include "hw/irq.h"

/* The CPU is also modelled 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;

    hwaddr 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.

     */

    hwaddr smp_loader_start;

    hwaddr smp_bootreg_addr;

    hwaddr 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;

    hwaddr initrd_start;

    hwaddr initrd_size;

    hwaddr 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 */