diff options
Diffstat (limited to 'arch/sparc64/prom/map.S')
-rw-r--r-- | arch/sparc64/prom/map.S | 72 |
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 +++ /dev/null | |||
@@ -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 | ||
11 | prom_boot_page: | ||
12 | call_method: | ||
13 | .asciz "call-method" | ||
14 | .align 8 | ||
15 | map: | ||
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 | ||
25 | prom_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 | ||