X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/114f6096b4d2c31314a7d4030f67aaeb1f0f8787..c7eda62d83dd463895a3b096f8c32502077e7bcd:/grubload/multiboot_c.c

diff --git a/grubload/multiboot_c.c b/grubload/multiboot_c.c
deleted file mode 100644
index 9806ca4..0000000
--- a/grubload/multiboot_c.c
+++ /dev/null
@@ -1,109 +0,0 @@
-/* multiboot_c.c
- * Main program for starting SMM code
- * NetWatch multiboot loader
- *
- * Copyright (c) 2008 Jacob Potter and Joshua Wise.  All rights reserved.
- * This program is free software; you can redistribute and/or modify it under
- * the terms found in the file LICENSE in the root of this source tree. 
- *
- */
-
-#include "console.h"
-#include "loader.h"
-#include <output.h>
-#include <minilib.h>
-#include <io.h>
-#include <smram.h>
-#include <multiboot.h>
-#include <smi.h>
-#include <pci.h>
-
-#define INFO_SIGNATURE 0x5754454E
-
-extern char _binary_realmode_bin_start[];
-extern int _binary_realmode_bin_size;
-
-struct info_section
-{
-	unsigned int signature;
-	void (*firstrun)();
-};
-
-void panic(const char *msg)
-{
-	outputf("PANIC: %s\nSystem halted\n", msg);
-	while(1) { __asm__("hlt"); }
-}
-
-void c_start(unsigned int magic, struct mb_info *mbinfo)
-{
-	struct mod_info *mods = mbinfo->mods;
-	smram_state_t old_smramc;
-	struct info_section * info;
-	int i;
-	
-	void (*realmode)() = (void (*)()) 0x4000;
-	
-	show_cursor();
-	outputf("NetWatch loader");
-	
-	if (magic != MULTIBOOT_LOADER_MAGIC)
-		panic("Bootloader was not multiboot compliant; cannot continue.");
-	
-	for (i = 0; i < mbinfo->mod_cnt; i++)
-	{
-		outputf("Module found:");
-		outputf("  Start: %08x", (unsigned long) mods[i].mod_start);
-		outputf("  Size: %08x", (unsigned long)mods[i].mod_end - (unsigned long)mods[i].mod_start);
-		outputf("  Name: %s", mods[i].mod_string);
-	}
-
-	if (mbinfo->mod_cnt != 1)
-		panic("Expected exactly one module; cannot continue.");
-	outputf("Current SMRAMC state is: %02x", pci_read8(0, 0, 0, 0x70));
-	outputf("Current USB state is: %04x %04x", pci_read16(0, 31, 2, 0xC0), pci_read16(0, 31, 4, 0xC0));
-	outputf("Current SMI state is: %08x", inl(0x830));
-	
-	smi_disable();
-	
-	/* Try really hard to shut up USB_LEGKEY. */
-	pci_write16(0, 31, 2, 0xC0, pci_read16(0, 31, 2, 0xC0));
-	pci_write16(0, 31, 2, 0xC0, 0);
-	pci_write16(0, 31, 4, 0xC0, pci_read16(0, 31, 4, 0xC0));
-	pci_write16(0, 31, 4, 0xC0, 0);
-/*	
-	pci_bus_enum();
-*/
-	/* Open the SMRAM aperture and load our ELF. */
-	old_smramc = smram_save_state();
-
-	if (smram_aseg_set_state(SMRAM_ASEG_OPEN) != 0)
-		panic("Opening SMRAM failed; cannot load ELF.");
-
-	load_elf(mods[0].mod_start, (unsigned long)mods[0].mod_end - (unsigned long)mods[0].mod_start);
-
-	info = (struct info_section *)0x10000;
-	if (info->signature != INFO_SIGNATURE)
-	{
-		smram_restore_state(old_smramc);		/* Restore so that video ram is touchable again. */
-		panic("Info section signature mismatch.");
-	}
-
-	info->firstrun();
-	smram_restore_state(old_smramc);
-	
-	outputf("New SMRAMC state is: %02x", pci_read8(0, 0, 0, 0x70));
-
-	puts("Waiting for a bit before returning to real mode...");
-	for (i=0; i<0x500000; i++)
-	{
-		if ((i % 0x100000) == 0)
-			puts(".");
-		inb(0x80);
-	}
-	puts("\n");
-
-	outputf("Now returning to real mode.");
-	memcpy((void *)0x4000, _binary_realmode_bin_start, (int)&_binary_realmode_bin_size);
-	realmode();	// goodbye!
-}