diff options
author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 18:20:36 -0400 |
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committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 18:20:36 -0400 |
commit | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch) | |
tree | 0bba044c4ce775e45a88a51686b5d9f90697ea9d /arch/v850/kernel/intv.S |
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
Diffstat (limited to 'arch/v850/kernel/intv.S')
-rw-r--r-- | arch/v850/kernel/intv.S | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/arch/v850/kernel/intv.S b/arch/v850/kernel/intv.S new file mode 100644 index 000000000000..671e4c6150dd --- /dev/null +++ b/arch/v850/kernel/intv.S | |||
@@ -0,0 +1,87 @@ | |||
1 | /* | ||
2 | * arch/v850/kernel/intv.S -- Interrupt vectors | ||
3 | * | ||
4 | * Copyright (C) 2001,02,03 NEC Electronics Corporation | ||
5 | * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org> | ||
6 | * | ||
7 | * This file is subject to the terms and conditions of the GNU General | ||
8 | * Public License. See the file COPYING in the main directory of this | ||
9 | * archive for more details. | ||
10 | * | ||
11 | * Written by Miles Bader <miles@gnu.org> | ||
12 | */ | ||
13 | |||
14 | #include <asm/clinkage.h> | ||
15 | #include <asm/irq.h> | ||
16 | #include <asm/machdep.h> | ||
17 | #include <asm/entry.h> | ||
18 | |||
19 | #ifdef CONFIG_V850E_HIGHRES_TIMER | ||
20 | #include <asm/highres_timer.h> | ||
21 | #endif | ||
22 | |||
23 | /* Jump to an interrupt/trap handler. These handlers (defined in entry.S) | ||
24 | expect the stack-pointer to be saved in ENTRY_SP, so we use sp to do an | ||
25 | indirect jump (which avoids problems when the handler is more than a signed | ||
26 | 22-bit offset away). */ | ||
27 | #define JUMP_TO_HANDLER(name, sp_save_loc) \ | ||
28 | st.w sp, sp_save_loc; \ | ||
29 | mov hilo(name), sp; \ | ||
30 | jmp [sp] | ||
31 | |||
32 | |||
33 | /* Reset vector. */ | ||
34 | .section .intv.reset, "ax" | ||
35 | .org 0x0 | ||
36 | mov hilo(C_SYMBOL_NAME(start)), r1; | ||
37 | jmp [r1] | ||
38 | |||
39 | |||
40 | /* Generic interrupt vectors. */ | ||
41 | .section .intv.common, "ax" | ||
42 | .balign 0x10 | ||
43 | JUMP_TO_HANDLER (nmi, NMI_ENTRY_SP) // 0x10 - NMI0 | ||
44 | .balign 0x10 | ||
45 | JUMP_TO_HANDLER (nmi, NMI_ENTRY_SP) // 0x20 - NMI1 | ||
46 | .balign 0x10 | ||
47 | JUMP_TO_HANDLER (nmi, NMI_ENTRY_SP) // 0x30 - NMI2 | ||
48 | |||
49 | .balign 0x10 | ||
50 | JUMP_TO_HANDLER (trap, ENTRY_SP) // 0x40 - TRAP0n | ||
51 | .balign 0x10 | ||
52 | JUMP_TO_HANDLER (trap, ENTRY_SP) // 0x50 - TRAP1n | ||
53 | |||
54 | .balign 0x10 | ||
55 | JUMP_TO_HANDLER (dbtrap, ENTRY_SP) // 0x60 - Illegal op / DBTRAP insn | ||
56 | |||
57 | |||
58 | /* Hardware interrupt vectors. */ | ||
59 | .section .intv.mach, "ax" | ||
60 | .org 0x0 | ||
61 | |||
62 | #if defined (CONFIG_V850E_HIGHRES_TIMER) && defined (IRQ_INTCMD) | ||
63 | |||
64 | /* Interrupts before the highres timer interrupt. */ | ||
65 | .rept IRQ_INTCMD (HIGHRES_TIMER_TIMER_D_UNIT) | ||
66 | .balign 0x10 | ||
67 | JUMP_TO_HANDLER (irq, ENTRY_SP) | ||
68 | .endr | ||
69 | |||
70 | /* The highres timer interrupt. */ | ||
71 | .balign 0x10 | ||
72 | JUMP_TO_HANDLER (C_SYMBOL_NAME (highres_timer_slow_tick_irq), ENTRY_SP) | ||
73 | |||
74 | /* Interrupts after the highres timer interrupt. */ | ||
75 | .rept NUM_CPU_IRQS - IRQ_INTCMD (HIGHRES_TIMER_TIMER_D_UNIT) - 1 | ||
76 | .balign 0x10 | ||
77 | JUMP_TO_HANDLER (irq, ENTRY_SP) | ||
78 | .endr | ||
79 | |||
80 | #else /* No highres timer */ | ||
81 | |||
82 | .rept NUM_CPU_IRQS | ||
83 | .balign 0x10 | ||
84 | JUMP_TO_HANDLER (irq, ENTRY_SP) | ||
85 | .endr | ||
86 | |||
87 | #endif /* Highres timer */ | ||