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-rw-r--r--arch/sparc64/prom/map.S72
1 files changed, 0 insertions, 72 deletions
diff --git a/arch/sparc64/prom/map.S b/arch/sparc64/prom/map.S
deleted file mode 100644
index 21b3f9c99ea7..000000000000
--- a/arch/sparc64/prom/map.S
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@@ -1,72 +0,0 @@
1/* $Id: map.S,v 1.2 1999/11/19 05:53:02 davem Exp $
2 * map.S: Tricky coding required to fixup the kernel OBP maps
3 * properly.
4 *
5 * Copyright (C) 1999 David S. Miller (davem@redhat.com)
6 */
7
8 .text
9 .align 8192
10 .globl prom_boot_page
11prom_boot_page:
12call_method:
13 .asciz "call-method"
14 .align 8
15map:
16 .asciz "map"
17 .align 8
18
19 /* When we are invoked, our caller has remapped us to
20 * page zero, therefore we must use PC relative addressing
21 * for everything after we begin performing the unmap/map
22 * calls.
23 */
24 .globl prom_remap
25prom_remap: /* %o0 = physpage, %o1 = virtpage, %o2 = mmu_ihandle */
26 rd %pc, %g1
27 srl %o2, 0, %o2 ! kill sign extension
28 sethi %hi(p1275buf), %g2
29 or %g2, %lo(p1275buf), %g2
30 ldx [%g2 + 0x10], %g3 ! prom_cif_stack
31 save %g3, -(192 + 128), %sp
32 ldx [%g2 + 0x08], %l0 ! prom_cif_handler
33 mov %g6, %i3
34 mov %g4, %i4
35 mov %g5, %i5
36 flushw
37
38 sethi %hi(prom_remap - call_method), %g7
39 or %g7, %lo(prom_remap - call_method), %g7
40 sub %g1, %g7, %l2 ! call-method string
41 sethi %hi(prom_remap - map), %g7
42 or %g7, %lo(prom_remap - map), %g7
43 sub %g1, %g7, %l4 ! map string
44
45 /* OK, map the 4MB region we really live at. */
46 stx %l2, [%sp + 2047 + 128 + 0x00] ! call-method
47 mov 7, %l5
48 stx %l5, [%sp + 2047 + 128 + 0x08] ! num_args
49 mov 1, %l5
50 stx %l5, [%sp + 2047 + 128 + 0x10] ! num_rets
51 stx %l4, [%sp + 2047 + 128 + 0x18] ! map
52 stx %i2, [%sp + 2047 + 128 + 0x20] ! mmu_ihandle
53 mov -1, %l5
54 stx %l5, [%sp + 2047 + 128 + 0x28] ! mode == default
55 sethi %hi(4 * 1024 * 1024), %l5
56 stx %l5, [%sp + 2047 + 128 + 0x30] ! size
57 stx %i1, [%sp + 2047 + 128 + 0x38] ! vaddr
58 stx %g0, [%sp + 2047 + 128 + 0x40] ! filler
59 stx %i0, [%sp + 2047 + 128 + 0x48] ! paddr
60 call %l0
61 add %sp, (2047 + 128), %o0 ! argument array
62
63 /* Restore hard-coded globals. */
64 mov %i3, %g6
65 mov %i4, %g4
66 mov %i5, %g5
67
68 /* Wheee.... we are done. */
69 ret
70 restore
71
72 .align 8192