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microblaze: Add checking mechanism for MSR instruction

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It was necessary to use fourth parameter(r8) in early_printk
to show messages on console.

Signed-off-by: Michal Simek <monstr@monstr.eu>
This commit is contained in:
Michal Simek
2009-07-30 14:31:23 +02:00
parent 8cc11f5ab5
commit 2622434ee0
3 changed files with 27 additions and 4 deletions
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12
arch/microblaze/kernel/setup.c
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@ -94,7 +94,7 @@ inline unsigned get_romfs_len(unsigned *addr)
#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 @@ void __init machine_early_init(const char *cmdline, unsigned int ram,
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;