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| author |   Paul Mundt <lethal@linux-sh.org> | 2007-06-20 18:27:10 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2007-06-20 18:27:10 +0900 |
| commit | 2b1bd1ac5d4bffe3fd542bfe1784a583bd7df4fa (patch) | |
| tree | 9c9840807d84cb4d9ca981fbae5093eef1c9ed12 /arch/sh/kernel/cpu/sh3/entry.S | |
| parent | sh: Hook up hard_smp_processor_id() for INTC2 block. (diff) | |
| download | linux-dev-2b1bd1ac5d4bffe3fd542bfe1784a583bd7df4fa.tar.xz linux-dev-2b1bd1ac5d4bffe3fd542bfe1784a583bd7df4fa.zip | |
sh: Preliminary support for the SH-X3 CPU.
This adds basic support for UP SH-X3.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/kernel/cpu/sh3/entry.S')
| -rw-r--r-- | arch/sh/kernel/cpu/sh3/entry.S | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S index b0b59d4a33ca..d8e122971c3e 100644 --- a/arch/sh/kernel/cpu/sh3/entry.S +++ b/arch/sh/kernel/cpu/sh3/entry.S @@ -340,8 +340,27 @@ ENTRY(vbr_base) general_exception: mov.l 1f, k2 mov.l 2f, k3 +#ifdef CONFIG_CPU_SUBTYPE_SHX3 + mov.l @k2, k2 + + ! Is EXPEVT larger than 0x800? + mov #0x8, k0 + shll8 k0 + cmp/hs k0, k2 + bf 0f + + ! then add 0x580 (k2 is 0xd80 or 0xda0) + mov #0x58, k0 + shll2 k0 + shll2 k0 + add k0, k2 +0: + bra handle_exception + nop +#else bra handle_exception mov.l @k2, k2 +#endif .align 2 1: .long EXPEVT 2: .long ret_from_exception |