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authorLinus Torvalds <torvalds@linux-foundation.org>2008-01-29 08:52:50 +1100
committerLinus Torvalds <torvalds@linux-foundation.org>2008-01-29 08:52:50 +1100
commite189f3495c4e30fc84fc9241096edf3932e23439 (patch)
tree5916c89ace81537a02ae01869386ba6caafdab9c /arch/sh/kernel/cpu/sh2/entry.S
parentf4798748dee00c807a63f5518f08b3df161e0f6d (diff)
parent6582d7b7376aa587d74b08c74457dc28abc1a9fa (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (197 commits) sh: add spi header and r2d platform data V3 sh: update r7780rp interrupt code sh: remove consistent alloc stuff from the machine vector sh: use declared coherent memory for dreamcast pci ethernet adapter sh: declared coherent memory support V2 sh: Add support for SDK7780 board. sh: constify function pointer tables sh: Kill off -traditional for linker script. cdrom: Add support for Sega Dreamcast GD-ROM. sh: Kill off hs7751rvoip reference from arch/sh/Kconfig. sh: Drop r7780rp_defconfig, use r7780mp_defconfig as kbuild default. sh: Kill off dead HS771RVoIP board support. sh: r7785rp: Fix up DECLARE_INTC_DESC() arg mismatch. sh: r7785rp: Hook up the rest of the HL7785 FPGA IRQ vectors. sh: r2d - enable sm501 usb host function sh: remove voyagergx sh: r2d - add lcd planel timings to sm501 platform data sh: Add OHCI and UDC platform devices for SH7720. sh: intc - remove default interrupt priority tables sh: Correct pte size mismatch for X2 TLB. ...
Diffstat (limited to 'arch/sh/kernel/cpu/sh2/entry.S')
-rw-r--r--arch/sh/kernel/cpu/sh2/entry.S19
1 files changed, 17 insertions, 2 deletions
diff --git a/arch/sh/kernel/cpu/sh2/entry.S b/arch/sh/kernel/cpu/sh2/entry.S
index ee8f1fe84b0..7a26569e795 100644
--- a/arch/sh/kernel/cpu/sh2/entry.S
+++ b/arch/sh/kernel/cpu/sh2/entry.S
@@ -149,6 +149,14 @@ ENTRY(exception_handler)
mov #32,r8
cmp/hs r8,r9
bt trap_entry ! 64 > vec >= 32 is trap
+
+#if defined(CONFIG_SH_FPU)
+ mov #13,r8
+ cmp/eq r8,r9
+ bt 10f ! fpu
+ nop
+#endif
+
mov.l 4f,r8
mov r9,r4
shll2 r9
@@ -158,6 +166,10 @@ ENTRY(exception_handler)
cmp/eq r9,r8
bf 3f
mov.l 8f,r8 ! unhandled exception
+#if defined(CONFIG_SH_FPU)
+10:
+ mov.l 9f, r8 ! unhandled exception
+#endif
3:
mov.l 5f,r10
jmp @r8
@@ -177,7 +189,10 @@ interrupt_entry:
6: .long ret_from_irq
7: .long do_IRQ
8: .long do_exception_error
-
+#ifdef CONFIG_SH_FPU
+9: .long fpu_error_trap_handler
+#endif
+
trap_entry:
mov #0x30,r8
cmp/ge r8,r9 ! vector 0x20-0x2f is systemcall
@@ -250,7 +265,7 @@ ENTRY(sh_bios_handler)
1: .long gdb_vbr_vector
#endif /* CONFIG_SH_STANDARD_BIOS */
-ENTRY(address_error_handler)
+ENTRY(address_error_trap_handler)
mov r15,r4 ! regs
add #4,r4
mov #OFF_PC,r0