X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/f2da2cd360ec68bd03100e10d5b24daefc97c1ab..a6327524107e76c689841eda10fbc19030b4cd15:/grubload/multiboot_c.c?ds=inline

diff --git a/grubload/multiboot_c.c b/grubload/multiboot_c.c
index be11ab1..9806ca4 100644
--- a/grubload/multiboot_c.c
+++ b/grubload/multiboot_c.c
@@ -1,6 +1,16 @@
+/* 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>
@@ -13,8 +23,6 @@
 extern char _binary_realmode_bin_start[];
 extern int _binary_realmode_bin_size;
 
-
-
 struct info_section
 {
 	unsigned int signature;
@@ -23,9 +31,7 @@ struct info_section
 
 void panic(const char *msg)
 {
-	puts("PANIC: ");
-	puts(msg);
-	puts("\nSystem halted\n");
+	outputf("PANIC: %s\nSystem halted\n", msg);
 	while(1) { __asm__("hlt"); }
 }
 
@@ -39,25 +45,24 @@ void c_start(unsigned int magic, struct mb_info *mbinfo)
 	void (*realmode)() = (void (*)()) 0x4000;
 	
 	show_cursor();
-	puts("NetWatch loader\n");
+	outputf("NetWatch loader");
 	
 	if (magic != MULTIBOOT_LOADER_MAGIC)
 		panic("Bootloader was not multiboot compliant; cannot continue.");
 	
 	for (i = 0; i < mbinfo->mod_cnt; i++)
 	{
-		puts("Module found:\n");
-		puts("  Start: "); puthex((unsigned long) mods[i].mod_start); puts("\n");
-		puts("  Size: "); puthex((unsigned long)mods[i].mod_end - (unsigned long)mods[i].mod_start); puts("\n");
-		puts("  Name: "); puts(mods[i].mod_string); puts("\n");
+		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.");
-
-	puts("Current USB state is: "); puthex(pci_read16(0, 31, 2, 0xC0)); puts(" "); puthex(pci_read16(0, 31, 4, 0xC0)); puts("\n");
-	puts("Current SMI state is: "); puthex(inl(0x830)); puts("\n");
-	puts("Current SMRAMC state is: "); puthex(pci_read8(0, 0, 0, 0x70)); puts("\n");
+	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();
 	
@@ -66,7 +71,9 @@ void c_start(unsigned int magic, struct mb_info *mbinfo)
 	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();
 
@@ -84,6 +91,8 @@ void c_start(unsigned int magic, struct mb_info *mbinfo)
 
 	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++)
@@ -94,7 +103,7 @@ void c_start(unsigned int magic, struct mb_info *mbinfo)
 	}
 	puts("\n");
 
-	puts("Now returning to real mode.\n");	
+	outputf("Now returning to real mode.");
 	memcpy((void *)0x4000, _binary_realmode_bin_start, (int)&_binary_realmode_bin_size);
 	realmode();	// goodbye!
 }