patch-2.4.25 linux-2.4.25/arch/sparc64/kernel/setup.c

• Lines: 40
• Date: 2004-02-18 05:36:31.000000000 -0800
• Orig file: linux-2.4.24/arch/sparc64/kernel/setup.c
• Orig date: 2003-11-28 10:26:19.000000000 -0800

diff -urN linux-2.4.24/arch/sparc64/kernel/setup.c linux-2.4.25/arch/sparc64/kernel/setup.c
@@ -40,6 +40,7 @@
 #include <asm/head.h>
 #include <asm/starfire.h>
 #include <asm/hardirq.h>
+#include <asm/sections.h>
 
 #ifdef CONFIG_IP_PNP
 #include <net/ipconfig.h>
@@ -456,7 +457,7 @@
 char saved_command_line[256];
 char reboot_command[256];
 
-extern unsigned long phys_base;
+extern unsigned long phys_base, kern_base, kern_size;
 
 static struct pt_regs fake_swapper_regs = { { 0, }, 0, 0, 0, 0 };
 
@@ -527,6 +528,22 @@
 			highest_paddr = top;
 	}
 
+	switch (tlb_type) {
+	default:
+	case spitfire:
+		kern_base = spitfire_get_itlb_data(sparc64_highest_locked_tlbent());
+		kern_base &= _PAGE_PADDR_SF;
+		break;
+
+	case cheetah:
+	case cheetah_plus:
+		kern_base = cheetah_get_litlb_data(sparc64_highest_locked_tlbent());
+		kern_base &= _PAGE_PADDR;
+		break;
+	};
+
+	kern_size = (unsigned long)&_end - (unsigned long)KERNBASE;
+
 	if (!root_flags)
 		root_mountflags &= ~MS_RDONLY;
 	ROOT_DEV = to_kdev_t(root_dev);