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* include/grub/mips/loongson.h (GRUB_CPU_LOONGSON_COP0_PRID): New

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define.
	* grub-core/kern/mips/loongson/init.c (grub_machine_init): Check
	that PRID matches the detected subplatform and reset the subplatform
	if it doesn't.
This commit is contained in:
Vladimir 'phcoder' Serbinenko committed 2011-08-19 23:04:18 +02:00
1 parent 84beb0eeb9
commit 0d1fd0113b
3 files changed
+26
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grub-core/kern/mips/loongson/init.c
+17
View File
@@ -123,6 +123,23 @@ void
grub_machine_init (void)
{
grub_addr_t modend;
grub_uint32_t prid;
asm volatile ("mfc0 %0, " GRUB_CPU_LOONGSON_COP0_PRID : "=r" (prid));
switch (prid)
{
/* Loongson 2E. */
case 0x6302:
grub_arch_machine = GRUB_ARCH_MACHINE_FULOONG2E;
break;
/* Loongson 2F. */
case 0x6303:
if (grub_arch_machine != GRUB_ARCH_MACHINE_FULOONG2F
&& grub_arch_machine != GRUB_ARCH_MACHINE_YEELOONG)
grub_arch_machine = GRUB_ARCH_MACHINE_YEELOONG;
break;
}
/* FIXME: measure this. */
if (grub_arch_busclock == 0)