Import of Linus's Linux 1.1.68

1 files changed, 80 insertions, 0 deletions

diff --git a/include/asm-alpha/system.h b/include/asm-alpha/system.h
new file mode 100644
index 000000000..54a83bdb3
--- /dev/null
+++ b/include/asm-alpha/system.h
@@ -0,0 +1,80 @@
+#ifndef __ALPHA_SYSTEM_H
+#define __ALPHA_SYSTEM_H
+
+/*
+ * System defines.. Note that this is included both from .c and .S
+ * files, so it does only defines, not any C code.
+ */
+
+/*
+ * We leave one page for the initial stack page, and one page for
+ * the initial process structure. Also, the console eats 3 MB for
+ * the initial bootloader (one of which we can reclaim later).
+ * So the initial load address is 0xfffffc0000304000UL
+ */
+#define INIT_PCB	0xfffffc0000300000
+#define INIT_STACK	0xfffffc0000302000
+#define START_ADDR	0xfffffc0000304000
+#define START_SIZE	(32*1024)
+
+/*
+ * Common PAL-code
+ */
+#define PAL_halt	  0
+#define PAL_cflush	  1
+#define PAL_draina	  2
+#define PAL_cobratt	  9
+#define PAL_bpt		128
+#define PAL_bugchk	129
+#define PAL_chmk	131
+#define PAL_callsys	131
+#define PAL_imb		134
+#define PAL_rduniq	158
+#define PAL_wruniq	159
+#define PAL_gentrap	170
+#define PAL_nphalt	190
+
+/*
+ * VMS specific PAL-code
+ */
+#define PAL_swppal	10
+#define PAL_mfpr_vptb	41
+
+/*
+ * OSF specific PAL-code
+ */
+#define PAL_mtpr_mces	17
+#define PAL_wrfen	43
+#define PAL_wrvptptr	45
+#define PAL_jtopal	46
+#define PAL_swpctx	48
+#define PAL_wrval	49
+#define PAL_rdval	50
+#define PAL_tbi		51
+#define PAL_wrent	52
+#define PAL_swpipl	53
+#define PAL_rdps	54
+#define PAL_wrkgp	55
+#define PAL_wrusp	56
+#define PAL_wrperfmon	57
+#define PAL_rdusp	58
+#define PAL_whami	60
+#define PAL_rtsys	61
+#define PAL_rti		63
+
+#ifndef mb
+#define mb() __asm__ __volatile__("mb": : :"memory")
+#endif
+
+#define swpipl(__new_ipl) \
+({ unsigned long __old_ipl; \
+__asm__ __volatile__( \
+	"bis %1,%1,$16\n\t" \
+	".long 53\n\t" \
+	"bis $0,$0,%0" \
+	: "=r" (__old_ipl) \
+	: "r" (__new_ipl) \
+	: "$0", "$1", "$16", "$22", "$23", "$24", "$25"); \
+__old_ipl; })
+
+#endif