158 lines
7.2 KiB
C
158 lines
7.2 KiB
C
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/*
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*
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* Copyright (c) 2019 Jonathan Afek <jonyafek@me.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef HW_ARM_XNU_H
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#define HW_ARM_XNU_H
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#include "qemu-common.h"
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#include "hw/arm/boot.h"
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#include "hw/arm/xnu_mem.h"
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#include "hw/arm/xnu_trampoline_hook.h"
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#include "hw/arm/xnu_dtb.h"
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#include "hw/arm/xnu_cpacr.h"
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#include "hw/arm/xnu_pagetable.h"
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#include "hw/arm/xnu_trampoline_hook.h"
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#include "hw/arm/xnu_file_mmio_dev.h"
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#include "hw/arm/xnu_fb_cfg.h"
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// pexpert/pexpert/arm64/boot.h
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#define xnu_arm64_kBootArgsRevision2 2 /* added boot_args.bootFlags */
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#define xnu_arm64_kBootArgsVersion2 2
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#define xnu_arm64_BOOT_LINE_LENGTH 256
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#define LC_SEGMENT_64 0x19
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#define LC_UNIXTHREAD 0x5
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struct segment_command_64
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{
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uint32_t cmd;
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uint32_t cmdsize;
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char segname[16];
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uint64_t vmaddr;
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uint64_t vmsize;
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uint64_t fileoff;
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uint64_t filesize;
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uint32_t /*vm_prot_t*/ maxprot;
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uint32_t /*vm_prot_t*/ initprot;
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uint32_t nsects;
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uint32_t flags;
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};
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struct mach_header_64 {
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uint32_t magic; /* mach magic number identifier */
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uint32_t /*cpu_type_t*/ cputype; /* cpu specifier */
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uint32_t /*cpu_subtype_t*/ cpusubtype; /* machine specifier */
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uint32_t filetype; /* type of file */
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uint32_t ncmds; /* number of load commands */
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uint32_t sizeofcmds; /* the size of all the load commands */
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uint32_t flags; /* flags */
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uint32_t reserved; /* reserved */
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};
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struct load_command {
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uint32_t cmd; /* type of load command */
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uint32_t cmdsize; /* total size of command in bytes */
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};
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typedef struct xnu_arm64_video_boot_args {
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unsigned long v_baseAddr; /* Base address of video memory */
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unsigned long v_display; /* Display Code (if Applicable */
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unsigned long v_rowBytes; /* Number of bytes per pixel row */
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unsigned long v_width; /* Width */
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unsigned long v_height; /* Height */
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unsigned long v_depth; /* Pixel Depth and other parameters */
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} video_boot_args;
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typedef struct xnu_arm64_monitor_boot_args {
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uint64_t version; /* structure version - this is version 2 */
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uint64_t virtBase; /* virtual base of memory assigned to the monitor */
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uint64_t physBase; /* physical address corresponding to the virtual base */
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uint64_t memSize; /* size of memory assigned to the monitor */
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uint64_t kernArgs; /* physical address of the kernel boot_args structure */
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uint64_t kernEntry; /* kernel entrypoint */
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uint64_t kernPhysBase; /* physical base of the kernel's address space */
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uint64_t kernPhysSlide; /* offset from kernPhysBase to kernel load address */
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uint64_t kernVirtSlide; /* virtual slide applied to kernel at load time */
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} monitor_boot_args;
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struct xnu_arm64_boot_args {
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uint16_t Revision; /* Revision of boot_args structure */
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uint16_t Version; /* Version of boot_args structure */
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uint64_t virtBase; /* Virtual base of memory */
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uint64_t physBase; /* Physical base of memory */
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uint64_t memSize; /* Size of memory */
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uint64_t topOfKernelData; /* Highest physical address used in kernel data area */
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video_boot_args Video; /* Video Information */
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uint32_t machineType; /* Machine Type */
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uint64_t deviceTreeP; /* Base of flattened device tree */
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uint32_t deviceTreeLength; /* Length of flattened tree */
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char CommandLine[xnu_arm64_BOOT_LINE_LENGTH]; /* Passed in command line */
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uint64_t bootFlags; /* Additional flags specified by the bootloader */
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uint64_t memSizeActual; /* Actual size of memory */
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};
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void macho_file_highest_lowest_base(const char *filename, hwaddr phys_base,
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hwaddr *virt_base, hwaddr *lowest,
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hwaddr *highest);
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void macho_tz_setup_bootargs(const char *name, AddressSpace *as,
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MemoryRegion *mem, hwaddr bootargs_addr,
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hwaddr virt_base, hwaddr phys_base,
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hwaddr mem_size, hwaddr kern_args,
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hwaddr kern_entry, hwaddr kern_phys_base);
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void macho_setup_bootargs(const char *name, AddressSpace *as,
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MemoryRegion *mem, hwaddr bootargs_pa,
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hwaddr virt_base, hwaddr phys_base, hwaddr mem_size,
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hwaddr top_of_kernel_data_pa, hwaddr dtb_va,
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hwaddr dtb_size, video_boot_args v_bootargs,
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char *kern_args);
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void arm_load_macho(char *filename, AddressSpace *as, MemoryRegion *mem,
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const char *name, hwaddr phys_base, hwaddr virt_base,
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hwaddr low_virt_addr, hwaddr high_virt_addr, hwaddr *pc,
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char *darwin_ver);
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void macho_map_raw_file(const char *filename, AddressSpace *as, MemoryRegion *mem,
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const char *name, hwaddr file_pa, uint64_t *size);
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void macho_load_raw_file(const char *filename, AddressSpace *as, MemoryRegion *mem,
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const char *name, hwaddr file_pa, uint64_t *size);
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void macho_load_dtb(char *filename, AddressSpace *as, MemoryRegion *mem,
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const char *name, hwaddr dtb_pa, uint64_t *size,
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hwaddr ramdisk_addr, hwaddr ramdisk_size,
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hwaddr *uart_mmio_pa);
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#define MAX_CUSTOM_HOOKS (30)
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#define CUSTOM_HOOKS_GLOBALS_SIZE (0x400)
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typedef struct {
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uint8_t hook_code[HOOK_CODE_ALLOC_SIZE];
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uint8_t hook_funcs_code[MAX_CUSTOM_HOOKS][HOOK_CODE_ALLOC_SIZE];
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uint8_t ramfb[RAMFB_SIZE];
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uint8_t hook_globals[CUSTOM_HOOKS_GLOBALS_SIZE];
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} __attribute__((packed)) AllocatedData;
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#endif
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