2 * arch/alpha/kernel/head.S
4 * initial boot stuff.. At this point, the bootloader has already
5 * switched into OSF/1 PAL-code, and loaded us at the correct address
6 * (START_ADDR). So there isn't much left for us to do: just set up
7 * the kernel global pointer and jump to the kernel entry-point.
10 #include <linux/init.h>
11 #include <asm/system.h>
12 #include <asm/asm-offsets.h>
17 swapper_pg_dir=SWAPPER_PGD
27 /* We need to get current_task_info loaded up... */
28 lda $8,init_thread_union
29 /* ... and find our stack ... */
30 lda $30,0x4000 - SIZEOF_PT_REGS($8)
31 /* ... and then we can start the kernel. */
40 /* On entry here from SRM console, the HWPCB of the per-cpu
41 slot for this processor has been loaded. We've arranged
42 for the UNIQUE value for this process to contain the PCBB
43 of the target idle task. */
46 ldgp $29,0($27) # First order of business, load the GP.
48 call_pal PAL_rduniq # Grab the target PCBB.
49 mov $0,$16 # Install it.
52 lda $8,0x3fff # Find "current".
58 #endif /* CONFIG_SMP */
61 # The following two functions are needed for supporting SRM PALcode
62 # on the PC164 (at least), since that PALcode manages the interrupt
63 # masking, and we cannot duplicate the effort without causing problems
89 # It is handy, on occasion, to make halt actually just loop.
90 # Putting it here means we dont have to recompile the whole