microblaze: Add checking mechanism for MSR instruction
It was necessary to use fourth parameter(r8) in early_printk
to show messages on console.
Signed-off-by: Michal Simek <monstr@monstr.eu>
diff --git a/arch/microblaze/kernel/setup.c b/arch/microblaze/kernel/setup.c
index 2a97bf5..8c1e0f4 100644
--- a/arch/microblaze/kernel/setup.c
+++ b/arch/microblaze/kernel/setup.c
@@ -94,7 +94,7 @@
#endif /* CONFIG_MTD_UCLINUX_EBSS */
void __init machine_early_init(const char *cmdline, unsigned int ram,
- unsigned int fdt)
+ unsigned int fdt, unsigned int msr)
{
unsigned long *src, *dst = (unsigned long *)0x0;
@@ -157,6 +157,16 @@
early_printk("New klimit: 0x%08x\n", (unsigned)klimit);
#endif
+#if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR
+ if (msr)
+ early_printk("!!!Your kernel has setup MSR instruction but "
+ "CPU don't have it %d\n", msr);
+#else
+ if (!msr)
+ early_printk("!!!Your kernel not setup MSR instruction but "
+ "CPU have it %d\n", msr);
+#endif
+
for (src = __ivt_start; src < __ivt_end; src++, dst++)
*dst = *src;