Forum
Failure to compile firmware 1.0.8
github
github.com/flohoff/amifldrv
github.com/RomanHargrave/amifldrv
Extract from EtaAfuOemLnx64
blog.bachi.net/download/amifldrv.tgz
Terminal
# pwd /home/andreas/Downloads/UDOOBOLT_C40_UEFI_Update_rel108/updater_andreas # uname -a Linux andreas-C40 5.15.0-89-generic #99-Ubuntu SMP Mon Oct 30 20:42:41 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux # dpkg -l | grep linux-headers ii linux-headers-5.15.0-76 5.15.0-76.83 all Header files related to Linux kernel version 5.15.0 ii linux-headers-5.15.0-76-generic 5.15.0-76.83 amd64 Linux kernel headers for version 5.15.0 on 64 bit x86 SMP ii linux-headers-5.15.0-89 5.15.0-89.99 all Header files related to Linux kernel version 5.15.0 ii linux-headers-5.15.0-89-generic 5.15.0-89.99 amd64 Linux kernel headers for version 5.15.0 on 64 bit x86 SMP ii linux-headers-6.1.0-4639-amd+ 6.1.0-4639 amd64 Linux kernel headers for 6.1.0-4639-amd+ on amd64 ii linux-headers-generic 5.15.0.89.86 amd64 Generic Linux kernel headers # ls -la total 8852 drwxrwxr-x 2 andreas andreas 4096 Dec 3 10:59 . drwxrwxr-x 6 andreas andreas 4096 Dec 3 10:57 .. -rwxrwxr-x 1 andreas andreas 450 Jul 17 2018 bios_updater_x64.sh -rw-rw-r-- 1 andreas andreas 8388608 Apr 24 2020 C4000000.108 -rwxrwxr-x 1 andreas andreas 657344 Jun 29 2020 EtaAfuOemLnx64 -rw-rw-r-- 1 andreas andreas 999 Apr 24 2020 History.txt # ./bios_updater_x64.sh C4000000.108 GHO BIOS updater - Linux 64 bit Version DriverSource/amifldrv.c:128:9: error: ‘struct file_operations’ has no member named ‘ioctl’ 128 | ioctl : amifldrv_ioctl, | ^~~~~ DriverSource/amifldrv.c:128:35: error: positional initialization of field in ‘struct’ declared with ‘designated_init’ attribute [-Werror=designated-init] 128 | ioctl : amifldrv_ioctl, | ^~~~~~~~~~~~~~ DriverSource/amifldrv.c:128:35: note: (near initialization for ‘amifldrv_fops’) DriverSource/amifldrv.c:128:35: error: initialization of ‘int (*)(struct file *, loff_t, loff_t, int)’ {aka ‘int (*)(struct file *, long long int, long long int, int)’} from incompatible pointer type ‘int (*)(struct inode *, struct file *, unsigned int, long unsigned int)’ [-Werror=incompatible-pointer-types] DriverSource/amifldrv.c:128:35: note: (near initialization for ‘amifldrv_fops.fsync’) cc1: some warnings being treated as errors make[2]: *** [scripts/Makefile.build:297: DriverSource/amifldrv.o] Error 1 make[1]: *** [Makefile:1909: DriverSource] Error 2 mv: cannot stat 'amifldrv_mod.ko': No such file or directory make: *** [Makefile:20: default] Error 1 +---------------------------------------------------------------------------+ | AMI Firmware Update Utility Manufacture v5.12.05.2125 | | for SECO S.p.A. 64 bits | | Copyright (c) 1985-2020, American Megatrends International LLC. | | All rights reserved. Subject to AMI licensing agreement. | +---------------------------------------------------------------------------+ Reading flash ...................... Done - System Secure Flash .............. Enabled - FFS Checksums .................... Pass - Check RomLayout .................. Pass Loading File To Verify Memory ...... Done Erasing Main Block ................. Done Updating Main Block ................ Done Verifying Main Block ............... Done Erasing Boot Block ................. Done Updating Boot Block ................ Done Verifying Boot Block ............... Done Erasing NVRAM Block ................ Done Updating NVRAM Block ............... Done Verifying NVRAM Block .............. Done Erasing NCB Block .................. Done Updating NCB Block ................. Done Verifying NCB Block ................ Done Erasing RomHole Block .............. Done Updating RomHole Block ............. Done Verifying RomHole Block ............ Done Process completed. Please reboot the system # sudo dmidecode -t bios [sudo] password for andreas: # dmidecode 3.3 Getting SMBIOS data from sysfs. SMBIOS 3.1.1 present. Handle 0x0000, DMI type 0, 26 bytes BIOS Information Vendor: American Megatrends Inc. Version: 1.04 R.C. 2 Release Date: 07/10/2019 Address: 0xF0000 Runtime Size: 64 kB ROM Size: 8 MB Characteristics: PCI is supported BIOS is upgradeable BIOS shadowing is allowed Boot from CD is supported Selectable boot is supported BIOS ROM is socketed EDD is supported 5.25"/1.2 MB floppy services are supported (int 13h) 3.5"/720 kB floppy services are supported (int 13h) 3.5"/2.88 MB floppy services are supported (int 13h) Print screen service is supported (int 5h) Serial services are supported (int 14h) Printer services are supported (int 17h) ACPI is supported USB legacy is supported BIOS boot specification is supported Targeted content distribution is supported UEFI is supported BIOS Revision: 5.13 Firmware Revision: 0.6 Handle 0x0019, DMI type 13, 22 bytes BIOS Language Information Language Description Format: Long Installable Languages: 1 en|US|iso8859-1
Disassembly
# strings EtaAfuOemLnx64 | grep DriverSource DriverSource rm -rf DriverSource # strings EtaAfuOemLnx64 | grep amifldrv ./amifldrv_mod.o ./amifldrv_mod.o amifldrv.tgz tar --no-same-owner -zxvf amifldrv.tgz rm -f amifldrv.tgz ./amifldrv_mod grep amifldrv /proc/devices amifldrv [...] # strings EtaAfuOemLnx64 | grep http # strings EtaAfuOemLnx64 | grep -i http # strings EtaAfuOemLnx64 | grep -i tgz D$(.tgz amifldrv.tgz tar --no-same-owner -zxvf amifldrv.tgz > /dev/null rm -f amifldrv.tgz # strings EtaAfuOemLnx64 | grep -i ftp EFI_TFTP_ERROR # strings EtaAfuOemLnx64 | grep -i wget # strings EtaAfuOemLnx64 | grep -i curl # strings EtaAfuOemLnx64 | grep -i amifldrv_ioctl strings EtaAfuOemLnx64 | grep -i make gnu_dev_makedev /makedrvH /MAKEDRV | /MAKEDRV - Make BGTLNX driver with user defined environment. | /makedrv |%*s - Make AFULNX driver with user defined environment. | /makedrv Error: Unable to make kernel driver. /makedrv - Make AMI Linux driver .... make > /dev/null make make gendrv
undefined8 amifldrv_0(void) { bool bVar1; char cVar2; int iVar3; uint __major; undefined8 uVar4; ulonglong uVar5; long in_FS_OFFSET; undefined4 local_28; undefined4 local_24; undefined2 local_20; undefined local_1e; long local_10; local_10 = *(long *)(in_FS_OFFSET + 0x28); local_28 = 0x7665642f; local_24 = 0x696d612f; local_20 = 0x6c66; local_1e = 0; iVar3 = access("./amifldrv_mod.o",0); if (iVar3 == 0) { FUN_00459b7e("./amifldrv_mod","./amifldrv_mod.o"); } else { cVar2 = amifldrv_1(); if (cVar2 == '\0') { LAB_004565a4: bVar1 = true; } else { cVar2 = amifldrv_build(); if (cVar2 == '\0') goto LAB_004565a4; bVar1 = false; } if (bVar1) { uVar4 = 0xf; goto LAB_004566a2; } } system("insmod ./amifldrv_mod > /dev/null"); __major = FUN_00456100(); if (__major == 0) { uVar4 = 0x10; } else { uVar5 = gnu_dev_makedev(__major,0); iVar3 = FUN_0046d500(&local_28,0x21b6,uVar5); if (iVar3 == 0) { DAT_0069e330 = open((char *)&local_28,2); if (DAT_0069e330 == -1) { remove((char *)&local_28); system("rmmod amifldrv_mod"); uVar4 = 0x10; } else { cVar2 = FUN_004561c0(); if (cVar2 == '\0') { FUN_004564f2(); DAT_0069e330 = -1; uVar4 = 0x10; } else { uVar4 = 0; } } } else { remove((char *)&local_28); system("rmmod amifldrv_mod"); uVar4 = 0x10; } } LAB_004566a2: if (local_10 != *(long *)(in_FS_OFFSET + 0x28)) { /* WARNING: Subroutine does not return */ __stack_chk_fail(); } return uVar4; } undefined8 amifldrv_1(void) { bool bVar1; FILE *pFVar2; undefined8 uVar3; long in_FS_OFFSET; undefined4 local_38; undefined local_34; undefined4 local_28; undefined4 local_24; undefined4 local_20; undefined local_1c; long local_10; local_10 = *(long *)(in_FS_OFFSET + 0x28); local_38 = 0x44464140; local_34 = 0; local_28 = 0x66696d61; local_24 = 0x7672646c; local_20 = 0x7a67742e; local_1c = 0; bVar1 = amifldrv_start(&local_38,&local_28,'\x01'); if (!bVar1) { if (DAT_0069faf0 == 0) { uVar3 = 0; goto LAB_00456081; } pFVar2 = (FILE *)amifldrv_fopen(); amifldrv_seek_write(pFVar2,0,DAT_0069faf0,&DAT_0069e760); amifldrv_fclose(); } system("tar --no-same-owner -zxvf amifldrv.tgz > /dev/null"); system("rm -f amifldrv.tgz"); uVar3 = 1; LAB_00456081: if (local_10 != *(long *)(in_FS_OFFSET + 0x28)) { /* WARNING: Subroutine does not return */ __stack_chk_fail(); } return uVar3; } undefined8 amifldrv_build(void) { int iVar1; undefined8 uVar2; iVar1 = chdir("DriverSource"); if (iVar1 == 0) { system("make > /dev/null"); chdir("../"); system("rm -rf DriverSource"); iVar1 = access("./amifldrv_mod",0); if (iVar1 == 0) { uVar2 = 1; } else { uVar2 = 0; } } else { uVar2 = 0; } return uVar2; }
fp_read = open("EtaAfuOemLnx64", "rb") fp_write = open("amifldrv.tgz", "wb") fp_read.seek(0x9E760) size = 0x9FAEF - 0x9E760 extracted_bytes = fp_read.read(size) fp_write.write(extracted_bytes) fp_write.close() fp_read.close()
$ tar xzf amifldrv.tgz $ ls -la DriverSource/ total 60 drwxrwxr-x 2 andreas andreas 4096 Mar 9 2020 . drwxrwxr-x 3 andreas andreas 4096 Dec 3 14:19 .. -rwxrwxr-x 1 andreas andreas 4953 Jul 18 2019 amifldrv.c -rwxrwxr-x 1 andreas andreas 3380 Apr 12 2019 amifldrvdefs.h -rwxrwxr-x 1 andreas andreas 3757 Apr 12 2019 amifldrv.h -rwxrwxr-x 1 andreas andreas 5338 Jun 20 2018 amiiodrv.c -rwxrwxr-x 1 andreas andreas 6471 Jun 20 2018 amimemdrv.c -rwxrwxr-x 1 andreas andreas 2840 May 16 2019 amiother.c -rwxrwxr-x 1 andreas andreas 313 Feb 27 2019 DriverSource.cif -rwxrwxr-x 1 andreas andreas 189 Apr 24 2018 DriverSource.sdl -rwxrwxr-x 1 andreas andreas 1568 Apr 23 2019 Makefile -rwxrwxr-x 1 andreas andreas 564 Apr 23 2019 Makefile.Shipped
amifldrv
static struct file_operations amifldrv_fops = { owner : THIS_MODULE, open : amifldrv_open, release : amifldrv_release, #if defined(HAVE_UNLOCKED_IOCTL) unlocked_ioctl : amifldrv_unlocked_ioctl, #else ioctl : amifldrv_ioctl, #endif mmap : amifldrv_mmap };
Linux Kernel 5.15
inux/v5.5.15/source/include/linux/fs.h
struct file_operations { struct module *owner; loff_t (*llseek) (struct file *, loff_t, int); ssize_t (*read) (struct file *, char __user *, size_t, loff_t *); ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *); ssize_t (*read_iter) (struct kiocb *, struct iov_iter *); ssize_t (*write_iter) (struct kiocb *, struct iov_iter *); int (*iopoll)(struct kiocb *kiocb, bool spin); int (*iterate) (struct file *, struct dir_context *); int (*iterate_shared) (struct file *, struct dir_context *); __poll_t (*poll) (struct file *, struct poll_table_struct *); long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long); long (*compat_ioctl) (struct file *, unsigned int, unsigned long); int (*mmap) (struct file *, struct vm_area_struct *); unsigned long mmap_supported_flags; int (*open) (struct inode *, struct file *); int (*flush) (struct file *, fl_owner_t id); int (*release) (struct inode *, struct file *); int (*fsync) (struct file *, loff_t, loff_t, int datasync); int (*fasync) (int, struct file *, int); int (*lock) (struct file *, int, struct file_lock *); ssize_t (*sendpage) (struct file *, struct page *, int, size_t, loff_t *, int); unsigned long (*get_unmapped_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long); int (*check_flags)(int); int (*flock) (struct file *, int, struct file_lock *); ssize_t (*splice_write)(struct pipe_inode_info *, struct file *, loff_t *, size_t, unsigned int); ssize_t (*splice_read)(struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int); int (*setlease)(struct file *, long, struct file_lock **, void **); long (*fallocate)(struct file *file, int mode, loff_t offset, loff_t len); void (*show_fdinfo)(struct seq_file *m, struct file *f); #ifndef CONFIG_MMU unsigned (*mmap_capabilities)(struct file *); #endif ssize_t (*copy_file_range)(struct file *, loff_t, struct file *, loff_t, size_t, unsigned int); loff_t (*remap_file_range)(struct file *file_in, loff_t pos_in, struct file *file_out, loff_t pos_out, loff_t len, unsigned int remap_flags); int (*fadvise)(struct file *, loff_t, loff_t, int); } __randomize_layout;