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sh: Preliminary support for the SH-X3 CPU.

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This adds basic support for UP SH-X3.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
2007-06-20 18:27:10 +09:00
parent 027e56e685
commit 2b1bd1ac5d
16 changed files with 1083 additions and 33 deletions
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19
arch/sh/kernel/cpu/sh3/entry.S
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@@ -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