Enable user selectable bootblocks, and provide a bootblock that

selects between "fallback" and "normal", in addition to the
already present "fallback"-only bootblock.

Signed-off-by: Patrick Georgi <patrick.georgi@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5157 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 33 insertions, 0 deletions

diff --git a/src/arch/i386/include/bootblock_common.h b/src/arch/i386/include/bootblock_common.h
new file mode 100644
index 0000000000..895a185c6f
--- /dev/null
+++ b/src/arch/i386/include/bootblock_common.h
@@ -0,0 +1,33 @@
+#define __PRE_RAM__
+#if CONFIG_LOGICAL_CPUS && \
+ (defined(CONFIG_BOOTBLOCK_NORTHBRIDGE_INIT) || defined(CONFIG_BOOTBLOCK_SOUTHBRIDGE_INIT))
+#include <cpu/x86/lapic/boot_cpu.c>
+#else
+#define boot_cpu(x) 1
+#endif
+
+#ifdef CONFIG_BOOTBLOCK_NORTHBRIDGE_INIT
+#include CONFIG_BOOTBLOCK_NORTHBRIDGE_INIT
+#else
+static void bootblock_northbridge_init(void) { }
+#endif
+#ifdef CONFIG_BOOTBLOCK_SOUTHBRIDGE_INIT
+#include CONFIG_BOOTBLOCK_SOUTHBRIDGE_INIT
+#else
+static void bootblock_southbridge_init(void) { }
+#endif
+
+static unsigned long findstage(char* target)
+{
+	unsigned long entry;
+	asm volatile (
+		"mov $1f, %%esp\n\t"
+		"jmp walkcbfs\n\t"
+		"1:\n\t" : "=a" (entry) : "S" (target) : "ebx", "ecx", "edi", "esp");
+	return entry;
+}
+
+static void call(unsigned long addr, unsigned long bist)
+{
+	asm volatile ("jmp *%0\n\t" : : "r" (addr), "a" (bist));
+}