Large overhaul for arm26 compatibility. This file is now even more of a mess
than it was.
This commit is contained in:
bjh21
parent
721e39d0dc
commit
b4e78a4e60
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@ -1,4 +1,4 @@
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/* $NetBSD: cpu.h,v 1.7 2001/02/27 17:35:49 bjh21 Exp $ */
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/* $NetBSD: cpu.h,v 1.8 2001/02/28 00:17:18 bjh21 Exp $ */
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/*
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* Copyright (c) 1994-1996 Mark Brinicombe.
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@ -48,16 +48,35 @@
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#ifndef _ARM32_CPU_H_
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#define _ARM32_CPU_H_
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#if defined(_KERNEL) && !defined(_LKM)
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/*
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* User-visible definitions
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*/
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/* CTL_MACHDEP definitions. */
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#define CPU_DEBUG 1 /* int: misc kernel debug control */
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#define CPU_BOOTED_DEVICE 2 /* string: device we booted from */
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#define CPU_BOOTED_KERNEL 3 /* string: kernel we booted */
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#define CPU_CONSDEV 4 /* struct: dev_t of our console */
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#define CPU_MAXID 5 /* number of valid machdep ids */
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#define CTL_MACHDEP_NAMES { \
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{ 0, 0 }, \
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{ "debug", CTLTYPE_INT }, \
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{ "booted_device", CTLTYPE_STRING }, \
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{ "booted_kernel", CTLTYPE_STRING }, \
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{ "console_device", CTLTYPE_STRUCT }, \
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}
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#ifdef _KERNEL
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/*
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* Kernel-only definitions
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*/
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#ifndef _LKM
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#include "opt_cputypes.h"
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#include "opt_lockdebug.h"
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#include "opt_progmode.h"
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#endif
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#ifndef _LOCORE
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#include <machine/frame.h>
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#endif /* !_LOCORE */
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#include <machine/psl.h>
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#if defined(PROG26) && defined(PROG32)
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#error "26-bit and 32-bit CPU support are not compatible"
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@ -81,8 +100,23 @@
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#endif
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#endif /* CPU_ARM7500 */
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#endif /* !_LKM */
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#ifndef _LOCORE
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#include <machine/frame.h>
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#endif /* !_LOCORE */
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#ifdef arm26
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extern int astpending;
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#define setsoftast() (astpending = 1)
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#else
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#include <machine/psl.h>
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#endif
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#include <arm/armreg.h>
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#ifdef PROG32
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#ifdef _LOCORE
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#define IRQdisable \
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stmfd sp!, {r0} ; \
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@ -102,7 +136,11 @@
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#define IRQdisable SetCPSR(I32_bit, I32_bit);
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#define IRQenable SetCPSR(I32_bit, 0);
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#endif /* _LOCORE */
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#endif
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/* All the CLKF_* macros take a struct clockframe * as an argument. */
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#ifdef PROG32
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/*
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* Return TRUE/FALSE (1/0) depending on whether the frame came from USR
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* mode or not.
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@ -111,8 +149,8 @@
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#define CLKF_USERMODE(frame) ((frame->if_spsr & PSR_MODE) == PSR_USR32_MODE)
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/*
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* This needs straighening, prob is the frame does not have info on the priority
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* a guess that needs trying is (current_spl_level == SPL0)
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* This needs straighening, prob is the frame does not have info on the
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* priority a guess that needs trying is (current_spl_level == SPL0)
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*/
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#define CLKF_BASEPRI(frame) ((frame->if_spsr & PSR_MODE) == PSR_USR32_MODE)
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@ -126,6 +164,23 @@
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#define PROC_PC(p) ((p)->p_md.md_regs->tf_pc)
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#elif defined(PROG26)
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/* True if we took the interrupt in user mode */
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#define CLKF_USERMODE(frame) ((frame->if_r15 & R15_MODE) == R15_MODE_USR)
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/* True if we were at spl0 before the interrupt */
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#define CLKF_BASEPRI(frame) 0 /* FIXME */
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/* Extract the program counter from a clockframe */
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#define CLKF_PC(frame) (frame->if_r15 & R15_PC)
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/* True if we took the interrupt from inside another interrupt handler. */
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/* Non-trivial to check because we handle interrupts in SVC mode. */
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#define CLKF_INTR(frame) 0 /* FIXME */
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#endif
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/*
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* definitions of cpu-dependent requirements
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* referenced in generic code
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@ -156,7 +211,7 @@ extern struct cpu_info cpu_info_store;
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#define cpu_wait(p) /* nothing */
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#define cpu_number() 0
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#if defined(_KERNEL) && !defined(_LOCORE)
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#ifndef _LOCORE
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extern int current_intr_depth;
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/*
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@ -181,8 +236,10 @@ void atomic_clear_bit __P((u_int *address, u_int clearmask));
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struct pcb;
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void savectx __P((struct pcb *pcb));
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#ifndef arm26
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/* ast.c */
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void userret __P((register struct proc *p));
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#endif
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/* machdep.h */
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void bootsync __P((void));
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@ -193,24 +250,9 @@ char *strstr __P((const char *s1, const char *s2));
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/* syscall.c */
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void child_return __P((void *));
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#endif /* _KERNEL && !_LOCORE */
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#endif /* !_LOCORE */
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/*
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* CTL_MACHDEP definitions.
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*/
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#define CPU_DEBUG 1 /* int: misc kernel debug control */
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#define CPU_BOOTED_DEVICE 2 /* string: device we booted from */
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#define CPU_BOOTED_KERNEL 3 /* string: kernel we booted */
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#define CPU_CONSDEV 4 /* struct: dev_t of our console */
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#define CPU_MAXID 5 /* number of valid machdep ids */
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#define CTL_MACHDEP_NAMES { \
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{ 0, 0 }, \
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{ "debug", CTLTYPE_INT }, \
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{ "booted_device", CTLTYPE_STRING }, \
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{ "booted_kernel", CTLTYPE_STRING }, \
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{ "console_device", CTLTYPE_STRUCT }, \
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}
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#endif /* _KERNEL */
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#endif /* !_ARM32_CPU_H_ */
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