/* arch/sparc/kernel/entry.S: Sparc trap low-level entry points.
*
* Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net)
* Copyright (C) 1996 Eddie C. Dost (ecd@skynet.be)
* Copyright (C) 1996 Miguel de Icaza (miguel@nuclecu.unam.mx)
* Copyright (C) 1996-1999 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
* Copyright (C) 1997 Anton Blanchard (anton@progsoc.uts.edu.au)
*/
#include <linux/linkage.h>
#include <linux/errno.h>
#include <asm/head.h>
#include <asm/asi.h>
#include <asm/smp.h>
#include <asm/contregs.h>
#include <asm/ptrace.h>
#include <asm/asm-offsets.h>
#include <asm/psr.h>
#include <asm/vaddrs.h>
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/winmacro.h>
#include <asm/signal.h>
#include <asm/obio.h>
#include <asm/mxcc.h>
#include <asm/thread_info.h>
#include <asm/param.h>
#include <asm/unistd.h>
#include <asm/asmmacro.h>
#define curptr g6
/* These are just handy. */
#define _SV save %sp, -STACKFRAME_SZ, %sp
#define _RS restore
#define FLUSH_ALL_KERNEL_WINDOWS \
_SV; _SV; _SV; _SV; _SV; _SV; _SV; \
_RS; _RS; _RS; _RS; _RS; _RS; _RS;
.text
#ifdef CONFIG_KGDB
.align 4
.globl arch_kgdb_breakpoint
.type arch_kgdb_breakpoint,#function
arch_kgdb_breakpoint:
ta 0x7d
retl
nop
.size arch_kgdb_breakpoint,.-arch_kgdb_breakpoint
#endif
#if defined(CONFIG_BLK_DEV_FD) || defined(CONFIG_BLK_DEV_FD_MODULE)
.align 4
.globl floppy_hardint
floppy_hardint:
/*
* This code cannot touch registers %l0 %l1 and %l2
* because SAVE_ALL depends on their values. It depends
* on %l3 also, but we regenerate it before a call.
* Other registers are:
* %l3 -- base address of fdc registers
* %l4 -- pdma_vaddr
* %l5 -- scratch for ld/st address
* %l6 -- pdma_size
* %l7 -- scratch [floppy byte, ld/st address, aux. data]
*/
/* Do we have work to do? */
sethi %
