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* ubox: update to latest git headJohn Crispin2014-03-182-4/+7
* ubox: update to latest git headJohn Crispin2014-03-122-8/+22
* fstools: add the new fstools packageJohn Crispin2014-03-124-41/+2
* ubox: logd did not register its config.reload trigger properlyJohn Crispin2014-02-181-1/+1
* libubox: ubox: procd: ubus: update to latest git headJohn Crispin2014-01-301-2/+2
* ubox: revert log buffer size changesJohn Crispin2014-01-222-26/+7
* ubox: update to latest git headJohn Crispin2014-01-211-2/+2
* ubox: update to latest git headJohn Crispin2014-01-192-7/+26
* ubox: update to latest gitJohn Crispin2014-01-171-2/+2
* ubox: welcome to 2014John Crispin2014-01-121-1/+1
* ubox: update to latest git - fixes error reporting Signed-off-by: John Crispi...John Crispin2014-01-121-2/+2
* ubox: fix logging support. the initial connect failedJohn Crispin2013-12-091-2/+2
* ubox: fix up pidcount handling inside log.initJohn Crispin2013-12-091-0/+3
* ubox: fix handling of uci lists, prevent shell code injection from uci values...Jo-Philipp Wich2013-11-281-2/+2
* Revert "ubox: the validation code has problems with the "(" char. use string ...Jo-Philipp Wich2013-11-281-1/+1
* ubox: the validation code has problems with the "(" char. use string for nowJohn Crispin2013-11-261-1/+1
* ubox: update the validate_data toolJohn Crispin2013-11-251-2/+2
* ubox: fix typo that caused log_file to not be validated properlyJohn Crispin2013-11-251-1/+1
* procd: add validation to the log init scriptJohn Crispin2013-11-201-10/+23
* libubox: ubox: procd: move md5.{c,h} to libuboxJohn Crispin2013-11-191-2/+2
* procd: ubox: update to latest git headJohn Crispin2013-11-162-5/+68
* ubox: fix extroot/extoverlay mounting by label and support mounting by device...Jo-Philipp Wich2013-11-071-2/+2
* ubox: update to latest git headJohn Crispin2013-11-071-2/+2
* package/ubox: fix jffs2 handling on MTD devices emulated by gluebiGabor Juhos2013-11-052-1/+177
* ubox: update to latest git HEADJohn Crispin2013-10-281-2/+2
* ubox: update to latest git headJohn Crispin2013-10-261-2/+2
* ubox: fix extroot after kmodloader changesJo-Philipp Wich2013-10-141-2/+2
* ubox: support alternative spellings for modinfo and rmmodJo-Philipp Wich2013-09-291-2/+2
* ubox: fix kmod loading for modules with varying dashes & underscores in names...Jo-Philipp Wich2013-09-281-2/+2
* ubox: make use of modprobeJohn Crispin2013-09-171-2/+5
* ubox: update to git headJo-Philipp Wich2013-08-161-2/+2
* ubox: update to git headJo-Philipp Wich2013-08-161-2/+2
* ubox: update to git headJo-Philipp Wich2013-07-311-2/+2
* ubox: update to git headJo-Philipp Wich2013-07-261-2/+2
* ubox: update to git headJo-Philipp Wich2013-07-241-2/+2
* ubox: update to git headJo-Philipp Wich2013-07-241-2/+2
* update ubox and procd to latest git revisionJohn Crispin2013-07-231-2/+2
* ubox: fix stack overflow in squashfs uuid codeJohn Crispin2013-07-221-2/+2
* ubox: update to git head, fixes multiple null pointer dereferences and adds s...Jo-Philipp Wich2013-07-191-2/+2
* ubox: fix compile error (#13877)Felix Fietkau2013-07-151-2/+2
* ubox: update to latest git revisonJohn Crispin2013-07-141-3/+3
* ubox: upgrade to latest versionJohn Crispin2013-07-111-2/+2
* ubox: remove empty menu from block-mountLuka Perkov2013-07-091-1/+0
* ubox: add a uci-default script for fstab generationJohn Crispin2013-07-082-1/+3
* ubox: dont install lsbloader and symlink lsmodJohn Crispin2013-07-041-2/+2
* ubox: add e2fsck supportJohn Crispin2013-07-021-3/+3
* depend on libuboxMirko Vogt2013-06-291-1/+1
* ubox: add support for delay_root optionJohn Crispin2013-06-291-2/+2
* ubox: update to latest git revisionJohn Crispin2013-06-281-2/+2
* ubox: update to latest git revisionJohn Crispin2013-06-282-6/+25
generated by cgit v1.2.3 (git 2.25.1) at 2025-09-29 20:17:18 +0000
="k">enum reboot_type { BOOT_TRIPLE = 't', BOOT_KBD = 'k', BOOT_ACPI = 'a', BOOT_BIOS = 'b', }; static long no_idt[2]; static int reboot_mode; /* * reboot=b[ios] | t[riple] | k[bd] | [, [w]arm | [c]old] * warm Don't set the cold reboot flag * cold Set the cold reboot flag * bios Reboot by jumping through the BIOS (only for X86_32) * triple Force a triple fault (init) * kbd Use the keyboard controller. cold reset (default) * acpi Use the RESET_REG in the FADT */ static enum reboot_type reboot_type = BOOT_ACPI; static void __init set_reboot_type(char *str) { for ( ; ; ) { switch ( *str ) { case 'w': /* "warm" reboot (no memory testing etc) */ reboot_mode = 0x1234; break; case 'c': /* "cold" reboot (with memory testing etc) */ reboot_mode = 0x0; break; case 'b': case 'a': case 'k': case 't': reboot_type = *str; break; } if ( (str = strchr(str, ',')) == NULL ) break; str++; } } custom_param("reboot", set_reboot_type); static inline void kb_wait(void) { int i; for ( i = 0; i < 0x10000; i++ ) if ( (inb_p(0x64) & 0x02) == 0 ) break; } static void __attribute__((noreturn)) __machine_halt(void *unused) { local_irq_disable(); for ( ; ; ) halt(); } void machine_halt(void) { watchdog_disable(); console_start_sync(); local_irq_enable(); smp_call_function(__machine_halt, NULL, 0); __machine_halt(NULL); } #ifdef __i386__ /* The following code and data reboots the machine by switching to real mode and jumping to the BIOS reset entry point, as if the CPU has really been reset. The previous version asked the keyboard controller to pulse the CPU reset line, which is more thorough, but doesn't work with at least one type of 486 motherboard. It is easy to stop this code working; hence the copious comments. */ static unsigned long long real_mode_gdt_entries [3] = { 0x0000000000000000ULL, /* Null descriptor */ 0x00009a000000ffffULL, /* 16-bit real-mode 64k code at 0x00000000 */ 0x000092000100ffffULL /* 16-bit real-mode 64k data at 0x00000100 */ }; static const struct { unsigned short size __attribute__ ((packed)); unsigned long long * base __attribute__ ((packed)); } real_mode_gdt = { sizeof (real_mode_gdt_entries) - 1, real_mode_gdt_entries }, real_mode_idt = { 0x3ff, NULL }; /* This is 16-bit protected mode code to disable paging and the cache, switch to real mode and jump to the BIOS reset code. The instruction that switches to real mode by writing to CR0 must be followed immediately by a far jump instruction, which set CS to a valid value for real mode, and flushes the prefetch queue to avoid running instructions that have already been decoded in protected mode. Clears all the flags except ET, especially PG (paging), PE (protected-mode enable) and TS (task switch for coprocessor state save). Flushes the TLB after paging has been disabled. Sets CD and NW, to disable the cache on a 486, and invalidates the cache. This is more like the state of a 486 after reset. I don't know if something else should be done for other chips. More could be done here to set up the registers as if a CPU reset had occurred; hopefully real BIOSs don't assume much. */ static const unsigned char real_mode_switch [] = { 0x0f, 0x20, 0xc0, /* movl %cr0,%eax */ 0x66, 0x83, 0xe0, 0x11, /* andl $0x00000011,%eax */ 0x66, 0x0d, 0x00, 0x00, 0x00, 0x60, /* orl $0x60000000,%eax */ 0x0f, 0x22, 0xc0, /* movl %eax,%cr0 */ 0x0f, 0x22, 0xd8, /* movl %eax,%cr3 */ 0x0f, 0x20, 0xc2, /* movl %cr0,%edx */ 0x66, 0x81, 0xe2, 0x00, 0x00, 0x00, 0x60, /* andl $0x60000000,%edx */ 0x74, 0x02, /* jz f */ 0x0f, 0x09, /* wbinvd */ 0x24, 0x10, /* f: andb $0x10,al */ 0x0f, 0x22, 0xc0 /* movl %eax,%cr0 */ }; #define MAX_LENGTH 0x40 static const unsigned char jump_to_bios [] = { 0xea, 0xf0, 0xff, 0x00, 0xf0 /* ljmp $0xf000,$0xfff0 */ }; /* * Switch to real mode and then execute the code * specified by the code and length parameters. * We assume that length will aways be less that MAX_LENGTH! */ static void machine_real_restart(const unsigned char *code, unsigned length) { local_irq_disable(); /* Write zero to CMOS register number 0x0f, which the BIOS POST routine will recognize as telling it to do a proper reboot. (Well that's what this book in front of me says -- it may only apply to the Phoenix BIOS though, it's not clear). At the same time, disable NMIs by setting the top bit in the CMOS address register, as we're about to do peculiar things to the CPU. */ spin_lock(&rtc_lock); CMOS_WRITE(0x00, 0x8f); spin_unlock(&rtc_lock); /* Identity-map virtual address zero. */ map_pages_to_xen(0, 0, 1, __PAGE_HYPERVISOR|MAP_SMALL_PAGES); set_current(idle_vcpu[0]); write_ptbase(idle_vcpu[0]); /* For the switch to real mode, copy some code to low memory. It has to be in the first 64k because it is running in 16-bit mode, and it has to have the same physical and virtual address, because it turns off paging. Copy it near the end of the first page, out of the way of BIOS variables. */ memcpy((void *)(PAGE_SIZE - sizeof(real_mode_switch) - MAX_LENGTH), real_mode_switch, sizeof(real_mode_switch)); memcpy((void *)(PAGE_SIZE - MAX_LENGTH), code, length); /* Set up the IDT for real mode. */ __asm__ __volatile__("lidt %0": : "m" (real_mode_idt)); /* Set up a GDT from which we can load segment descriptors for real mode. The GDT is not used in real mode; it is just needed here to prepare the descriptors. */ __asm__ __volatile__("lgdt %0": : "m" (real_mode_gdt)); /* Load the data segment registers, and thus the descriptors ready for real mode. The base address of each segment is 0x100, 16 times the selector value being loaded here. This is so that the segment registers don't have to be reloaded after switching to real mode: the values are consistent for real mode operation already. */ __asm__ __volatile__ ("\tmov %0,%%ds\n" "\tmov %0,%%es\n" "\tmov %0,%%fs\n" "\tmov %0,%%gs\n" "\tmov %0,%%ss" : : "r" (0x0010)); /* Jump to the 16-bit code that we copied earlier. It disables paging and the cache, switches to real mode, and jumps to the BIOS reset entry point. */ __asm__ __volatile__ ("ljmp $0x0008,%0" : : "i" ((void *)(PAGE_SIZE - sizeof(real_mode_switch) - MAX_LENGTH))); } static int __init set_bios_reboot(struct dmi_system_id *d) { if ( reboot_type != BOOT_BIOS ) { reboot_type = BOOT_BIOS; printk("%s series board detected. " "Selecting BIOS-method for reboots.\n", d->ident); } return 0; } static struct dmi_system_id __initdata reboot_dmi_table[] = { { /* Handle problems with rebooting on Dell 1300's */ .callback = set_bios_reboot, .ident = "Dell PowerEdge 1300", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"), DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1300/"), }, }, { /* Handle problems with rebooting on Dell 300's */ .callback = set_bios_reboot, .ident = "Dell PowerEdge 300", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"), DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 300/"), }, }, { /* Handle problems with rebooting on Dell 2400's */ .callback = set_bios_reboot, .ident = "Dell PowerEdge 2400", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"), DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 2400"), }, }, { /* Handle problems with rebooting on HP laptops */ .callback = set_bios_reboot, .ident = "HP Compaq Laptop", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq"), }, }, { } }; static int __init reboot_init(void) { dmi_check_system(reboot_dmi_table); return 0; } __initcall(reboot_init); #else /* __x86_64__ */ #define machine_real_restart(x, y) #endif static void __machine_restart(void *pdelay) { machine_restart(*(unsigned int *)pdelay); } void machine_restart(unsigned int delay_millisecs) { int i; watchdog_disable(); console_start_sync(); spin_debug_disable(); local_irq_enable(); /* Ensure we are the boot CPU. */ if ( get_apic_id() != boot_cpu_physical_apicid ) { /* Send IPI to the boot CPU (logical cpu 0). */ on_selected_cpus(cpumask_of(0), __machine_restart, &delay_millisecs, 0); for ( ; ; ) halt(); } smp_send_stop(); mdelay(delay_millisecs); if ( tboot_in_measured_env() ) tboot_shutdown(TB_SHUTDOWN_REBOOT); /* Rebooting needs to touch the page at absolute address 0. */ *((unsigned short *)__va(0x472)) = reboot_mode; for ( ; ; ) { switch ( reboot_type ) { case BOOT_KBD: /* Pulse the keyboard reset line. */ for ( i = 0; i < 100; i++ ) { kb_wait(); udelay(50); outb(0xfe,0x64); /* pulse reset low */ udelay(50); } /* fall through */ case BOOT_TRIPLE: asm volatile ( "lidt %0 ; int3" : "=m" (no_idt) ); break; case BOOT_BIOS: machine_real_restart(jump_to_bios, sizeof(jump_to_bios)); break; case BOOT_ACPI: acpi_reboot(); break; } reboot_type = BOOT_KBD; } } /* * Local variables: * mode: C * c-set-style: "BSD" * c-basic-offset: 4 * tab-width: 4 * indent-tabs-mode: nil * End: */
generated by cgit v1.2.3 (git 2.25.1) at 2025-09-29 20:17:17 +0000