void decompress_kernel(unsigned long boot_heap_start) { unsigned long zimage_start, zimage_size; __stack_chk_guard_setup(); zimage_start = (unsigned long)(&__image_begin); zimage_size = (unsigned long)(&__image_end) - (unsigned long)(&__image_begin); puts("zimage at: "); puthex(zimage_start); puts(" "); puthex(zimage_size + zimage_start); puts("\n"); /* This area are prepared for mallocing when decompressing */ free_mem_ptr = boot_heap_start; free_mem_end_ptr = boot_heap_start + BOOT_HEAP_SIZE; /* Display standard Linux/MIPS boot prompt */ puts("Uncompressing Linux at load address "); puthex(VMLINUX_LOAD_ADDRESS_ULL); puts("\n"); /* Decompress the kernel with according algorithm */ decompress((char *)zimage_start, zimage_size, 0, 0, (void *)VMLINUX_LOAD_ADDRESS_ULL, 0, error); /* FIXME: should we flush cache here? */ puts("Now, booting the kernel...\n"); }
void lk_main(void) { inc_critical_section(); // get us into some sort of thread context thread_init_early(); // early arch stuff lk_init_level(LK_INIT_LEVEL_ARCH_EARLY - 1); arch_early_init(); // do any super early platform initialization lk_init_level(LK_INIT_LEVEL_PLATFORM_EARLY - 1); platform_early_init(); // do any super early target initialization lk_init_level(LK_INIT_LEVEL_TARGET_EARLY - 1); target_early_init(); dprintf(INFO, "welcome to lk\n\n"); #if WITH_PLATFORM_MSM_SHARED bs_set_timestamp(BS_BL_START); #endif // deal with any static constructors dprintf(SPEW, "calling constructors\n"); call_constructors(); // bring up the kernel heap dprintf(SPEW, "initializing heap\n"); lk_init_level(LK_INIT_LEVEL_HEAP - 1); heap_init(); #if WITH_PLATFORM_MSM_SHARED __stack_chk_guard_setup(); #endif // initialize the kernel lk_init_level(LK_INIT_LEVEL_KERNEL - 1); kernel_init(); lk_init_level(LK_INIT_LEVEL_THREADING - 1); #if (!ENABLE_NANDWRITE) // create a thread to complete system initialization dprintf(SPEW, "creating bootstrap completion thread\n"); thread_t *t = thread_create("bootstrap2", &bootstrap2, NULL, DEFAULT_PRIORITY, DEFAULT_STACK_SIZE); thread_detach(t); thread_resume(t); // become the idle thread and enable interrupts to start the scheduler thread_become_idle(); #else bootstrap_nandwrite(); #endif }
void kmain(void) { // get us into some sort of thread context thread_init_early(); // early arch stuff arch_early_init(); // do any super early platform initialization platform_early_init(); // do any super early target initialization target_early_init(); dprintf(INFO, "welcome to lk\n\n"); bs_set_timestamp(BS_BL_START); // deal with any static constructors dprintf(SPEW, "calling constructors\n"); call_constructors(); // bring up the kernel heap dprintf(SPEW, "initializing heap\n"); heap_init(); __stack_chk_guard_setup(); // initialize the threading system dprintf(SPEW, "initializing threads\n"); thread_init(); // initialize the dpc system dprintf(SPEW, "initializing dpc\n"); dpc_init(); // initialize kernel timers dprintf(SPEW, "initializing timers\n"); timer_init(); #if (!ENABLE_NANDWRITE) // create a thread to complete system initialization dprintf(SPEW, "creating bootstrap completion thread\n"); thread_resume(thread_create("bootstrap2", &bootstrap2, NULL, DEFAULT_PRIORITY, DEFAULT_STACK_SIZE)); // enable interrupts exit_critical_section(); // become the idle thread thread_become_idle(); #else bootstrap_nandwrite(); #endif }