1002.vectors.patch

sm86xx内核源包括补丁（ GPL ）的

diff -Naur --exclude=CVS --exclude='*.o' --exclude='*.a' --exclude='*.so' --exclude='*.elf' --exclude=System.map --exclude=Makefile.d --exclude='*log' --exclude='*log2' --exclude='*~' --exclude='.*~' --exclude='.#*' --exclude='*.bak' --exclude='*.orig' --exclude='*.rej' --exclude='core.[0-9]*' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=vmlinux --exclude=vmlinux.bin --exclude=yamon-02.06-SIGMADESIGNS-01_el.bin linuxmips-2.4.30.ref/arch/mips/kernel/traps.c linuxmips-2.4.30/arch/mips/kernel/traps.c
--- linuxmips-2.4.30.ref/arch/mips/kernel/traps.c	2005-03-25 19:02:21.000000000 -0800
+++ linuxmips-2.4.30/arch/mips/kernel/traps.c	2005-03-25 19:21:38.000000000 -0800
@@ -118,6 +118,11 @@
 
 #endif
 
+#ifdef CONFIG_TANGO2
+#undef printk
+#define printk the_REAL_printk
+#endif /* CONFIG_TANGO2 */
+
 /*
  * This routine abuses get_user()/put_user() to reference pointers
  * with at least a bit of error checking ...
@@ -253,6 +258,11 @@
 	printk("\n");
 }
 
+#ifdef CONFIG_TANGO2
+#undef printk
+#define printk emprintk
+#endif /* CONFIG_TANGO2 */
+
 static spinlock_t die_lock = SPIN_LOCK_UNLOCKED;
 
 void __die(const char * str, struct pt_regs * regs, const char * file,
@@ -880,9 +890,16 @@
 
 	exception_handlers[n] = handler;
 	if (n == 0 && cpu_has_divec) {
+#ifdef CONFIG_TANGO2
+//		emprintk("Accessing vector %p\n",read_c0_ebase() + 0x200);
+		*(volatile u32 *)(read_c0_ebase()+0x200) = 0x08000000 |
+						(0x03ffffff & (handler >> 2));
+		flush_icache_range(read_c0_ebase()+0x200, read_c0_ebase() + 0x204);
+#else
 		*(volatile u32 *)(KSEG0+0x200) = 0x08000000 |
 		                                 (0x03ffffff & (handler >> 2));
 		flush_icache_range(KSEG0+0x200, KSEG0 + 0x204);
+#endif /* CONFIG_TANGO2 */
 	}
 	return (void *)old_handler;
 }
@@ -937,7 +954,12 @@
 	unsigned long i;
 
 	/* Copy the generic exception handler code to it's final destination. */
+#ifdef CONFIG_TANGO2
+//	emprintk("Accessing vector %p\n",read_c0_ebase() + 0x80);
+	memcpy((void *)(read_c0_ebase() + 0x80), &except_vec1_generic, 0x80);
+#else
 	memcpy((void *)(KSEG0 + 0x80), &except_vec1_generic, 0x80);
+#endif /* CONFIG_TANGO2 */
 
 	/*
 	 * Setup default vectors
@@ -949,8 +971,14 @@
 	 * Copy the EJTAG debug exception vector handler code to it's final
 	 * destination.
 	 */
-	if (cpu_has_ejtag)
+	if (cpu_has_ejtag) {
+#ifdef CONFIG_TANGO2
+//		emprintk("Accessing vector %p\n",read_c0_ebase() + 0x300);
+		memcpy((void *)(read_c0_ebase() + 0x300), &except_vec_ejtag_debug, 0x80);
+#else
 		memcpy((void *)(KSEG0 + 0x300), &except_vec_ejtag_debug, 0x80);
+#endif /* CONFIG_TANGO2 */
+	}
 
 	/*
 	 * Only some CPUs have the watch exceptions.
@@ -962,8 +990,15 @@
 	 * Some MIPS CPUs have a dedicated interrupt vector which reduces the
 	 * interrupt processing overhead.  Use it where available.
 	 */
-	if (cpu_has_divec)
+	if (cpu_has_divec) {
+#ifdef CONFIG_TANGO2
+//		emprintk("Accessing vector %p\n",read_c0_ebase() + 0x200);
+		memcpy((void *)(read_c0_ebase() + 0x200), &except_vec4,
+8);
+#else
 		memcpy((void *)(KSEG0 + 0x200), &except_vec4, 8);
+#endif /* CONFIG_TANGO2 */
+	}
 
 	/*
 	 * Some CPUs can enable/disable for cache parity detection, but does
@@ -1004,9 +1039,14 @@
 
 	if (cpu_has_vce)
 		memcpy((void *)(KSEG0 + 0x180), &except_vec3_r4000, 0x80);
-	else if (cpu_has_4kex)
+	else if (cpu_has_4kex) {
+#ifdef CONFIG_TANGO2
+//		emprintk("Accessing vector %p\n",read_c0_ebase() + 0x180);
+		memcpy((void *)(read_c0_ebase() + 0x180), &except_vec3_generic, 0x80);
+#else
 		memcpy((void *)(KSEG0 + 0x180), &except_vec3_generic, 0x80);
-	else
+#endif /* CONFIG_TANGO2 */
+	} else
 		memcpy((void *)(KSEG0 + 0x080), &except_vec3_generic, 0x80);
 
 	if (current_cpu_data.cputype == CPU_R6000 ||
@@ -1034,7 +1074,11 @@
 	if (board_nmi_handler_setup)
 		board_nmi_handler_setup();
 
+#ifdef CONFIG_TANGO2
+	flush_icache_range(read_c0_ebase(), read_c0_ebase() + 0x400);
+#else
 	flush_icache_range(KSEG0, KSEG0 + 0x400);
+#endif /* CONFIG_TANGO2 */
 
 	per_cpu_trap_init();
 }
diff -Naur --exclude=CVS --exclude='*.o' --exclude='*.a' --exclude='*.so' --exclude='*.elf' --exclude=System.map --exclude=Makefile.d --exclude='*log' --exclude='*log2' --exclude='*~' --exclude='.*~' --exclude='.#*' --exclude='*.bak' --exclude='*.orig' --exclude='*.rej' --exclude='core.[0-9]*' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=vmlinux --exclude=vmlinux.bin --exclude=yamon-02.06-SIGMADESIGNS-01_el.bin linuxmips-2.4.30.ref/arch/mips/mm/c-r4k.c linuxmips-2.4.30/arch/mips/mm/c-r4k.c
--- linuxmips-2.4.30.ref/arch/mips/mm/c-r4k.c	2005-02-06 13:55:42.000000000 -0800
+++ linuxmips-2.4.30/arch/mips/mm/c-r4k.c	2005-03-25 19:21:38.000000000 -0800
@@ -1070,8 +1070,13 @@
 	struct cpuinfo_mips *c = &current_cpu_data;
 
 	/* Default cache error handler for R4000 and R5000 family */
+#ifdef CONFIG_TANGO2
+//	emprintk("Accessing vector %p\n",read_c0_ebase() + 0x100);
+	memcpy((void *)(read_c0_ebase() + 0x100), &except_vec2_generic, 0x80);
+#else
 	memcpy((void *)(KSEG0 + 0x100), &except_vec2_generic, 0x80);
 	memcpy((void *)(KSEG1 + 0x100), &except_vec2_generic, 0x80);
+#endif /* CONFIG_TANGO2 */
 
 	probe_pcache();
 	setup_scache();
diff -Naur --exclude=CVS --exclude='*.o' --exclude='*.a' --exclude='*.so' --exclude='*.elf' --exclude=System.map --exclude=Makefile.d --exclude='*log' --exclude='*log2' --exclude='*~' --exclude='.*~' --exclude='.#*' --exclude='*.bak' --exclude='*.orig' --exclude='*.rej' --exclude='core.[0-9]*' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=vmlinux --exclude=vmlinux.bin --exclude=yamon-02.06-SIGMADESIGNS-01_el.bin linuxmips-2.4.30.ref/arch/mips/mm/tlb-r4k.c linuxmips-2.4.30/arch/mips/mm/tlb-r4k.c
--- linuxmips-2.4.30.ref/arch/mips/mm/tlb-r4k.c	2004-11-25 14:18:38.000000000 -0800
+++ linuxmips-2.4.30/arch/mips/mm/tlb-r4k.c	2005-03-25 19:21:38.000000000 -0800
@@ -374,8 +374,16 @@
 			memcpy((void *)KSEG0, &except_vec0_nevada, 0x80);
 		else if (current_cpu_data.cputype == CPU_R4600)
 			memcpy((void *)KSEG0, &except_vec0_r4600, 0x80);
+#ifdef CONFIG_TANGO2
+		else {
+//			emprintk("Accessing vector %p\n",read_c0_ebase() + 0x80);
+			memcpy((void *)read_c0_ebase(), &except_vec0_r4000, 0x80);
+		}
+		flush_icache_range(read_c0_ebase(), read_c0_ebase() + 0x80);
+#else
 		else
 			memcpy((void *)KSEG0, &except_vec0_r4000, 0x80);
 		flush_icache_range(KSEG0, KSEG0 + 0x80);
+#endif /* CONFIG_TANGO2 */
 	}
 }
diff -Naur --exclude=CVS --exclude='*.o' --exclude='*.a' --exclude='*.so' --exclude='*.elf' --exclude=System.map --exclude=Makefile.d --exclude='*log' --exclude='*log2' --exclude='*~' --exclude='.*~' --exclude='.#*' --exclude='*.bak' --exclude='*.orig' --exclude='*.rej' --exclude='core.[0-9]*' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=vmlinux --exclude=vmlinux.bin --exclude=yamon-02.06-SIGMADESIGNS-01_el.bin linuxmips-2.4.30.ref/README.1002.vectors.patch linuxmips-2.4.30/README.1002.vectors.patch
--- linuxmips-2.4.30.ref/README.1002.vectors.patch	1969-12-31 16:00:00.000000000 -0800
+++ linuxmips-2.4.30/README.1002.vectors.patch	2005-03-25 19:24:24.000000000 -0800
@@ -0,0 +1,19 @@
+Feature:
+--------
+Setup of interrupt vectors.
+
+Prerequisite patch numbers:
+---------------------------
+0000
+1000
+
+Primary author:
+---------------
+Emmanuel Michon
+
+Related to which chip version SMP863x x=?
+-----------------------------------------
+all
+
+(linux patches) which CONFIG_... are provided:
+----------------------------------------------