unbreak qemu mips

1 files changed, 135 insertions, 0 deletions

diff --git a/target/linux/patches/2.6.39/mips-malta.patch b/target/linux/patches/2.6.39/mips-malta.patch
new file mode 100644
index 000000000..cc8789dca
--- /dev/null
+++ b/target/linux/patches/2.6.39/mips-malta.patch
@@ -0,0 +1,135 @@
+http://lkml.indiana.edu/hypermail/linux/kernel/1105.3/02199.html
+
+diff -Nur linux-2.6.39.orig/arch/mips/include/asm/smp-ops.h linux-2.6.39/arch/mips/include/asm/smp-ops.h
+--- linux-2.6.39.orig/arch/mips/include/asm/smp-ops.h	2011-05-19 06:06:34.000000000 +0200
++++ linux-2.6.39/arch/mips/include/asm/smp-ops.h	2011-08-29 04:39:03.360480881 +0200
+@@ -56,8 +56,43 @@
+ 
+ #endif /* !CONFIG_SMP */
+ 
+-extern struct plat_smp_ops up_smp_ops;
+-extern struct plat_smp_ops cmp_smp_ops;
+-extern struct plat_smp_ops vsmp_smp_ops;
++static inline int register_up_smp_ops(void)
++{
++#ifdef CONFIG_SMP_UP
++	extern struct plat_smp_ops up_smp_ops;
++
++	register_smp_ops(&up_smp_ops);
++
++	return 0;
++#else
++	return -ENODEV;
++#endif
++}
++
++static inline int register_cmp_smp_ops(void)
++{
++#ifdef CONFIG_MIPS_CMP
++	extern struct plat_smp_ops cmp_smp_ops;
++
++	register_smp_ops(&cmp_smp_ops);
++
++	return 0;
++#else
++	return -ENODEV;
++#endif
++}
++
++static inline int register_vsmp_smp_ops(void)
++{
++#ifdef CONFIG_MIPS_MT_SMP
++	extern struct plat_smp_ops vsmp_smp_ops;
++
++	register_smp_ops(&vsmp_smp_ops);
++
++	return 0;
++#else
++	return -ENODEV;
++#endif
++}
+ 
+ #endif /* __ASM_SMP_OPS_H */
+diff -Nur linux-2.6.39.orig/arch/mips/mipssim/sim_setup.c linux-2.6.39/arch/mips/mipssim/sim_setup.c
+--- linux-2.6.39.orig/arch/mips/mipssim/sim_setup.c	2011-05-19 06:06:34.000000000 +0200
++++ linux-2.6.39/arch/mips/mipssim/sim_setup.c	2011-08-29 04:39:03.390480572 +0200
+@@ -59,18 +59,17 @@
+ 
+ 	prom_meminit();
+ 
+-#ifdef CONFIG_MIPS_MT_SMP
+-	if (cpu_has_mipsmt)
+-		register_smp_ops(&vsmp_smp_ops);
+-	else
+-		register_smp_ops(&up_smp_ops);
+-#endif
++	if (cpu_has_mipsmt) {
++		if (!register_vsmp_smp_ops())
++			return;
++
+ #ifdef CONFIG_MIPS_MT_SMTC
+-	if (cpu_has_mipsmt)
+ 		register_smp_ops(&ssmtc_smp_ops);
+-	else
+-		register_smp_ops(&up_smp_ops);
++			return;
+ #endif
++	}
++
++	register_up_smp_ops();
+ }
+ 
+ static void __init serial_init(void)
+diff -Nur linux-2.6.39.orig/arch/mips/mti-malta/malta-init.c linux-2.6.39/arch/mips/mti-malta/malta-init.c
+--- linux-2.6.39.orig/arch/mips/mti-malta/malta-init.c	2011-05-19 06:06:34.000000000 +0200
++++ linux-2.6.39/arch/mips/mti-malta/malta-init.c	2011-08-29 04:39:03.700480601 +0200
+@@ -29,6 +29,7 @@
+ #include <asm/system.h>
+ #include <asm/cacheflush.h>
+ #include <asm/traps.h>
++#include <asm/smp-ops.h>
+ 
+ #include <asm/gcmpregs.h>
+ #include <asm/mips-boards/prom.h>
+@@ -358,15 +359,14 @@
+ #ifdef CONFIG_SERIAL_8250_CONSOLE
+ 	console_config();
+ #endif
+-#ifdef CONFIG_MIPS_CMP
+ 	/* Early detection of CMP support */
+ 	if (gcmp_probe(GCMP_BASE_ADDR, GCMP_ADDRSPACE_SZ))
+-		register_smp_ops(&cmp_smp_ops);
+-	else
+-#endif
+-#ifdef CONFIG_MIPS_MT_SMP
+-		register_smp_ops(&vsmp_smp_ops);
+-#endif
++		if (!register_cmp_smp_ops())
++			return;
++
++	if (!register_vsmp_smp_ops())
++		return;
++
+ #ifdef CONFIG_MIPS_MT_SMTC
+ 	register_smp_ops(&msmtc_smp_ops);
+ #endif
+diff -Nur linux-2.6.39.orig/arch/mips/pmc-sierra/msp71xx/msp_setup.c linux-2.6.39/arch/mips/pmc-sierra/msp71xx/msp_setup.c
+--- linux-2.6.39.orig/arch/mips/pmc-sierra/msp71xx/msp_setup.c	2011-05-19 06:06:34.000000000 +0200
++++ linux-2.6.39/arch/mips/pmc-sierra/msp71xx/msp_setup.c	2011-08-29 04:39:03.790480302 +0200
+@@ -228,13 +228,11 @@
+ 	 */
+ 	msp_serial_setup();
+ 
+-#ifdef CONFIG_MIPS_MT_SMP
+-	register_smp_ops(&vsmp_smp_ops);
+-#endif
+-
++	if (register_vsmp_smp_ops()) {
+ #ifdef CONFIG_MIPS_MT_SMTC
+-	register_smp_ops(&msp_smtc_smp_ops);
++		register_smp_ops(&msp_smtc_smp_ops);
+ #endif
++	}
+ 
+ #ifdef CONFIG_PMCTWILED
+ 	/*