X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/ddf5629eadafabbd2543db1a8268a4b6d27298bc..c25f3f39d2a544a91a8a96ea90bda1dc1d77b76a:/grubload/multiboot_c.c

diff --git a/grubload/multiboot_c.c b/grubload/multiboot_c.c
index 55f3a4f..372363c 100644
--- a/grubload/multiboot_c.c
+++ b/grubload/multiboot_c.c
@@ -1,6 +1,6 @@
 #include "console.h"
 #include "loader.h"
-
+#include <output.h>
 #include <minilib.h>
 #include <io.h>
 #include <smram.h>
@@ -21,18 +21,10 @@ 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"); }
 }
 
-void dolog(char *s)
-{
-	/* little shim -- need to unify logging */
-	puts(s);
-}
-
 void c_start(unsigned int magic, struct mb_info *mbinfo)
 {
 	struct mod_info *mods = mbinfo->mods;
@@ -43,25 +35,24 @@ 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();
 	
@@ -70,6 +61,8 @@ 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();
@@ -88,6 +81,8 @@ 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++)
@@ -98,7 +93,7 @@ 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!
 }