Revision 242ce41fc92214c3430495edd43783c3ba3dcd2b authored by Sergei Shtylyov on 30 December 2006, 00:49:18 UTC, committed by Linus Torvalds on 30 December 2006, 18:56:43 UTC
There's no need to check in piix_config_drive_for_dma() for broken MW DMA mode 0 as this mode is not supported by the driver (it sets hwif->mwdma_mask to 0x6), and hence can't be selected by ide_dma_speed(). (Alan sayeth "Probably right but if not you've got a subtle corruptor. Should at least stick a BUG_ON mode 0 setting right close when the mode is set.") Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Acked-by: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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kgdb.h
/* $Id: kgdb.h,v 1.8 1998/01/07 06:33:44 baccala Exp $
* kgdb.h: Defines and declarations for serial line source level
* remote debugging of the Linux kernel using gdb.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
*/
#ifndef _SPARC_KGDB_H
#define _SPARC_KGDB_H
#ifndef __ASSEMBLY__
/* To init the kgdb engine. */
extern void set_debug_traps(void);
/* To enter the debugger explicitly. */
extern void breakpoint(void);
/* For convenience we define the format of a kgdb trap breakpoint
* frame here also.
*/
struct kgdb_frame {
unsigned long globals[8];
unsigned long outs[8];
unsigned long locals[8];
unsigned long ins[8];
unsigned long fpregs[32];
unsigned long y;
unsigned long psr;
unsigned long wim;
unsigned long tbr;
unsigned long pc;
unsigned long npc;
unsigned long fpsr;
unsigned long cpsr;
};
#endif /* !(__ASSEMBLY__) */
/* Macros for assembly usage of the kgdb breakpoint frame. */
#define KGDB_G0 0x000
#define KGDB_G1 0x004
#define KGDB_G2 0x008
#define KGDB_G4 0x010
#define KGDB_G6 0x018
#define KGDB_I0 0x020
#define KGDB_I2 0x028
#define KGDB_I4 0x030
#define KGDB_I6 0x038
#define KGDB_Y 0x100
#define KGDB_PSR 0x104
#define KGDB_WIM 0x108
#define KGDB_TBR 0x10c
#define KGDB_PC 0x110
#define KGDB_NPC 0x114
#define SAVE_KGDB_GLOBALS(reg) \
std %g0, [%reg + STACKFRAME_SZ + KGDB_G0]; \
std %g2, [%reg + STACKFRAME_SZ + KGDB_G2]; \
std %g4, [%reg + STACKFRAME_SZ + KGDB_G4]; \
std %g6, [%reg + STACKFRAME_SZ + KGDB_G6];
#define SAVE_KGDB_INS(reg) \
std %i0, [%reg + STACKFRAME_SZ + KGDB_I0]; \
std %i2, [%reg + STACKFRAME_SZ + KGDB_I2]; \
std %i4, [%reg + STACKFRAME_SZ + KGDB_I4]; \
std %i6, [%reg + STACKFRAME_SZ + KGDB_I6];
#define SAVE_KGDB_SREGS(reg, reg_y, reg_psr, reg_wim, reg_tbr, reg_pc, reg_npc) \
st %reg_y, [%reg + STACKFRAME_SZ + KGDB_Y]; \
st %reg_psr, [%reg + STACKFRAME_SZ + KGDB_PSR]; \
st %reg_wim, [%reg + STACKFRAME_SZ + KGDB_WIM]; \
st %reg_tbr, [%reg + STACKFRAME_SZ + KGDB_TBR]; \
st %reg_pc, [%reg + STACKFRAME_SZ + KGDB_PC]; \
st %reg_npc, [%reg + STACKFRAME_SZ + KGDB_NPC];
#define LOAD_KGDB_GLOBALS(reg) \
ld [%reg + STACKFRAME_SZ + KGDB_G1], %g1; \
ldd [%reg + STACKFRAME_SZ + KGDB_G2], %g2; \
ldd [%reg + STACKFRAME_SZ + KGDB_G4], %g4; \
ldd [%reg + STACKFRAME_SZ + KGDB_G6], %g6;
#define LOAD_KGDB_INS(reg) \
ldd [%reg + STACKFRAME_SZ + KGDB_I0], %i0; \
ldd [%reg + STACKFRAME_SZ + KGDB_I2], %i2; \
ldd [%reg + STACKFRAME_SZ + KGDB_I4], %i4; \
ldd [%reg + STACKFRAME_SZ + KGDB_I6], %i6;
#define LOAD_KGDB_SREGS(reg, reg_y, reg_psr, reg_wim, reg_tbr, reg_pc, reg_npc) \
ld [%reg + STACKFRAME_SZ + KGDB_Y], %reg_y; \
ld [%reg + STACKFRAME_SZ + KGDB_PSR], %reg_psr; \
ld [%reg + STACKFRAME_SZ + KGDB_WIM], %reg_wim; \
ld [%reg + STACKFRAME_SZ + KGDB_TBR], %reg_tbr; \
ld [%reg + STACKFRAME_SZ + KGDB_PC], %reg_pc; \
ld [%reg + STACKFRAME_SZ + KGDB_NPC], %reg_npc;
#endif /* !(_SPARC_KGDB_H) */
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