136 lines
3.4 KiB
C
136 lines
3.4 KiB
C
/*
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Copyright (C) 2012, Aaron Lindsay <aaron@aclindsay.com>
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This file is part of Aedrix.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <atags.h>
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#include <console.h>
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#include <framebuffer.h>
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#include <kmalloc.h>
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#include <print.h>
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#include <mm.h>
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#include <mmu.h>
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#include <types.h>
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#include <drivers/fb.h>
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#include <drivers/serial.h>
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extern uint32 early_initcalls_start, early_initcalls_end;
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extern uint32 initcalls_start, initcalls_end;
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void init_earlyinitcalls() {
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void (**initcall)();
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for (initcall = (void (**)()) &early_initcalls_start; initcall < (void (**)())&early_initcalls_end; initcall++)
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(*initcall)();
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}
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void init_initcalls() {
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void (**initcall)();
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for (initcall = (void (**)()) &initcalls_start; initcall < (void (**)())&initcalls_end; initcall++)
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(*initcall)();
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}
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struct fb console_fb;
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void print_console_logo() {
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print(" _ _ _\n");
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print(" / \\ ___ __| |_ __(_)_ __\n");
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print(" / _ \\ / _ \\/ _` | '__| \\ \\/ /\n");
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print(" / ___ \\ __/ (_| | | | |> <\n");
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print(" /_/ \\_\\___|\\__,_|_| |_/_/\\_\\\n\n");
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print(" Copyright (C) 2012 - Aaron Lindsay\n\n\n");
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}
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void video_console_init(void) {
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struct fb_dev *fbdev = fb_first_device();
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int ret;
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if (!fbdev) {
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print("Error: No framebuffer-capable device registered.");
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return;
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}
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ret = fbdev->init(&console_fb, 16);
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if (ret) {
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print("Error: Failed to initialize framebuffer device.");
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return;
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}
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if ((console_init(&console_fb)))
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return;
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print_register_func(&console_putc);
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print_console_logo();
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print("Initialized video console on %s.\n", fbdev->name);
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}
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void serial_console_init() {
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struct serial_dev *sdev = serial_first_device();
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if (!sdev)
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return;
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print_register_func_early(sdev->putc);
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print("Initialized serial console on %s\n", sdev->name);
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}
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//Forward declarations of non-initcall initializations that are only needed
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//once, and only here
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void serial_init();
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void kmalloc_init();
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int main(void) {
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char *lower, *upper;
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struct atag *atags;
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//setup MMU
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mmu_reinit();
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/* Initialize the serial subsystem before
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* init_earlyinitcalls(), because console drivers get
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* initialized here so as to have an output console as
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* early as possible, and we don't want those
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* initializations to fail. */
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serial_init();
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init_earlyinitcalls();
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serial_console_init();
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//setup memory subsystems
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mm_init();
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kmalloc_init();
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if (atags_first_mem_region(&atags)) {
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print("Error: atags must contain at least one memory region\n");
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return -1;
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}
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do {
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lower = (char *)atags->data.mem.start;
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upper = lower + atags->data.mem.size - 1;
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print("atags: physical memory at %x-%x\n", lower, upper);
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declare_memory_region(lower, upper);
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} while (!atags_next_mem_region(&atags));
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init_initcalls();
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video_console_init();
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return 0;
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}
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