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Define named constants for the trapframe register idices (they 

are different from the normal register numbers).  Use these names
in genassym.cf.  (Wow, how ever did that test kernel boot before...)
This commit is contained in:
thorpej 2002-11-04 19:40:04 +00:00
parent 00f370741b
commit c8fbf16072
2 changed files with 59 additions and 24 deletions
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39
sys/arch/mips/include/locore.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: locore.h,v 1.63 2002/06/03 01:51:05 simonb Exp $ */
/* $NetBSD: locore.h,v 1.64 2002/11/04 19:40:04 thorpej Exp $ */
/*
* Copyright 1996 The Board of Trustees of The Leland Stanford
@ -308,8 +308,43 @@ void mips_machdep_cache_config(void);
/*
* trapframe argument passed to trap()
*/
#define TF_AST 0
#define TF_V0 1
#define TF_V1 2
#define TF_A0 3
#define TF_A1 4
#define TF_A2 5
#define TF_A3 6
#define TF_T0 7
#define TF_T1 8
#define TF_T2 9
#define TF_T3 10
#if defined(__mips_n32) || defined(__mips_n64)
#define TF_A4 11
#define TF_A5 12
#define TF_A6 13
#define TF_A7 14
#else
#define TF_T4 11
#define TF_T5 12
#define TF_T6 13
#define TF_T7 14
#endif /* __mips_n32 || __mips_n64 */
#define TF_TA0 11
#define TF_TA1 12
#define TF_TA2 13
#define TF_TA3 14
#define TF_T8 15
#define TF_T9 16
#define TF_NREGS 17
struct trapframe {
mips_reg_t tf_regs[17];
mips_reg_t tf_regs[TF_NREGS];
mips_reg_t tf_ra;
mips_reg_t tf_sr;
mips_reg_t tf_mullo;

44
sys/arch/mips/mips/genassym.cf
View File

@ -1,4 +1,4 @@
# $NetBSD: genassym.cf,v 1.29 2002/11/04 18:41:03 thorpej Exp $
# $NetBSD: genassym.cf,v 1.30 2002/11/04 19:40:05 thorpej Exp $
#
# Copyright (c) 1997
# Jonathan Stone. All rights reserved.
@ -200,36 +200,36 @@ define KERNFRAME_RA offsetof(struct kernframe, cf_ra)
# offset of trapframe in struct kernframe
define TF_BASE offsetof(struct kernframe, cf_frame)
define TF_REG_AST offsetof(struct trapframe, tf_regs[AST])
define TF_REG_V0 offsetof(struct trapframe, tf_regs[V0])
define TF_REG_V1 offsetof(struct trapframe, tf_regs[V1])
define TF_REG_A0 offsetof(struct trapframe, tf_regs[A0])
define TF_REG_A1 offsetof(struct trapframe, tf_regs[A1])
define TF_REG_A2 offsetof(struct trapframe, tf_regs[A2])
define TF_REG_A3 offsetof(struct trapframe, tf_regs[A3])
define TF_REG_T0 offsetof(struct trapframe, tf_regs[T0])
define TF_REG_T1 offsetof(struct trapframe, tf_regs[T1])
define TF_REG_T2 offsetof(struct trapframe, tf_regs[T2])
define TF_REG_T3 offsetof(struct trapframe, tf_regs[T3])
define TF_REG_AST offsetof(struct trapframe, tf_regs[TF_AST])
define TF_REG_V0 offsetof(struct trapframe, tf_regs[TF_V0])
define TF_REG_V1 offsetof(struct trapframe, tf_regs[TF_V1])
define TF_REG_A0 offsetof(struct trapframe, tf_regs[TF_A0])
define TF_REG_A1 offsetof(struct trapframe, tf_regs[TF_A1])
define TF_REG_A2 offsetof(struct trapframe, tf_regs[TF_A2])
define TF_REG_A3 offsetof(struct trapframe, tf_regs[TF_A3])
define TF_REG_T0 offsetof(struct trapframe, tf_regs[TF_T0])
define TF_REG_T1 offsetof(struct trapframe, tf_regs[TF_T1])
define TF_REG_T2 offsetof(struct trapframe, tf_regs[TF_T2])
define TF_REG_T3 offsetof(struct trapframe, tf_regs[TF_T3])
# For old-ABI, these are T4-T7. For new-ABI, these are A4-A7.
# Use these in code shared by 32-bit and 64-bit processors.
define TF_REG_TA0 offsetof(struct trapframe, tf_regs[TA0])
define TF_REG_TA1 offsetof(struct trapframe, tf_regs[TA1])
define TF_REG_TA2 offsetof(struct trapframe, tf_regs[TA2])
define TF_REG_TA3 offsetof(struct trapframe, tf_regs[TA3])
define TF_REG_TA0 offsetof(struct trapframe, tf_regs[TF_TA0])
define TF_REG_TA1 offsetof(struct trapframe, tf_regs[TF_TA1])
define TF_REG_TA2 offsetof(struct trapframe, tf_regs[TF_TA2])
define TF_REG_TA3 offsetof(struct trapframe, tf_regs[TF_TA3])
if !defined(__mips_n32) && !defined(__mips_n64)
# Use these only in code used by 32-bit processors (which cannot
# use new-ABI).
define TF_REG_T4 offsetof(struct trapframe, tf_regs[T4])
define TF_REG_T5 offsetof(struct trapframe, tf_regs[T5])
define TF_REG_T6 offsetof(struct trapframe, tf_regs[T6])
define TF_REG_T7 offsetof(struct trapframe, tf_regs[T7])
define TF_REG_T4 offsetof(struct trapframe, tf_regs[TF_T4])
define TF_REG_T5 offsetof(struct trapframe, tf_regs[TF_T5])
define TF_REG_T6 offsetof(struct trapframe, tf_regs[TF_T6])
define TF_REG_T7 offsetof(struct trapframe, tf_regs[TF_T7])
endif
define TF_REG_T8 offsetof(struct trapframe, tf_regs[T8])
define TF_REG_T9 offsetof(struct trapframe, tf_regs[T9])
define TF_REG_T8 offsetof(struct trapframe, tf_regs[TF_T8])
define TF_REG_T9 offsetof(struct trapframe, tf_regs[TF_T9])
define TF_REG_RA offsetof(struct trapframe, tf_ra)
define TF_REG_SR offsetof(struct trapframe, tf_sr)
define TF_REG_MULLO offsetof(struct trapframe, tf_mullo)