- Remove __P.
- Use ANSI function decls. - Tweak some comments. - Fix a few typos. - KNF.
This commit is contained in:
peter
parent
545de90bdb
commit
ab405b2010
@ -1,4 +1,4 @@
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/* $NetBSD: hpc_machdep.c,v 1.73 2005/06/02 21:26:00 uwe Exp $ */
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/* $NetBSD: hpc_machdep.c,v 1.74 2005/10/23 15:06:35 peter Exp $ */
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/*
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* Copyright (c) 1994-1998 Mark Brinicombe.
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@ -44,12 +44,9 @@
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*
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* Created : 17/09/94
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*/
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/*
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* hpc_machdep.c
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: hpc_machdep.c,v 1.73 2005/06/02 21:26:00 uwe Exp $");
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__KERNEL_RCSID(0, "$NetBSD: hpc_machdep.c,v 1.74 2005/10/23 15:06:35 peter Exp $");
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#include "opt_ddb.h"
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#include "opt_pmap_debug.h"
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@ -192,14 +189,14 @@ extern vaddr_t sa11x0_idle_mem;
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/* Prototypes */
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void physcon_display_base __P((u_int addr));
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void consinit __P((void));
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void physcon_display_base(u_int addr);
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void consinit(void);
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void data_abort_handler __P((trapframe_t *frame));
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void prefetch_abort_handler __P((trapframe_t *frame));
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void undefinedinstruction_bounce __P((trapframe_t *frame));
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void data_abort_handler(trapframe_t *);
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void prefetch_abort_handler(trapframe_t *);
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void undefinedinstruction_bounce(trapframe_t *);
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u_int cpu_get_control __P((void));
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u_int cpu_get_control(void);
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void rpc_sa110_cc_setup(void);
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@ -212,26 +209,21 @@ void dumppages(char *, int);
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#endif
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u_int initarm(int, char **, struct bootinfo *);
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extern void dump_spl_masks __P((void));
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extern void dumpsys __P((void));
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extern void dump_spl_masks(void);
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extern void dumpsys(void);
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/*
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* void cpu_reboot(int howto, char *bootstr)
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*
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* Reboots the system
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* Reboots the system.
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*
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* Deal with any syncing, unmounting, dumping and shutdown hooks,
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* then reset the CPU.
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*/
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void
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cpu_reboot(howto, bootstr)
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int howto;
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char *bootstr;
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cpu_reboot(int howto, char *bootstr)
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{
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/*
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* If we are still cold then hit the air brakes
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* and crash to earth fast
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* and crash to earth fast.
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*/
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if (cold) {
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doshutdownhooks();
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@ -249,9 +241,10 @@ cpu_reboot(howto, bootstr)
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/*
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* If RB_NOSYNC was not specified sync the discs.
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* Note: Unless cold is set to 1 here, syslogd will die during the unmount.
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* It looks like syslogd is getting woken up only to find that it cannot
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* page part of the binary in as the filesystem has been unmounted.
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* Note: Unless cold is set to 1 here, syslogd will die during
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* the unmount. It looks like syslogd is getting woken up only
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* to find that it cannot page part of the binary in as the
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* file system has been unmounted.
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*/
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if (!(howto & RB_NOSYNC))
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bootsync();
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@ -267,7 +260,7 @@ cpu_reboot(howto, bootstr)
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/* Run any shutdown hooks */
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doshutdownhooks();
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/* Make sure IRQ's are disabled */
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/* Make sure IRQs are disabled */
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IRQdisable;
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if (howto & RB_HALT) {
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@ -288,22 +281,17 @@ cpu_reboot(howto, bootstr)
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#endif
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/*
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*
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* Initial entry point on startup. This gets called before main() is
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* entered.
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* It should be responsible for setting up everything that must be
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* in place when main is called.
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* This includes
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* This includes:
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* Taking a copy of the boot configuration structure.
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* Initialising the physical console so characters can be printed.
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* Setting up page tables for the kernel
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* Setting up page tables for the kernel.
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*/
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u_int
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initarm(argc, argv, bi)
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int argc;
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char **argv;
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struct bootinfo *bi;
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initarm(int argc, char **argv, struct bootinfo *bi)
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{
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int loop;
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u_int kerneldatasize, symbolsize;
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@ -340,10 +328,10 @@ initarm(argc, argv, bi)
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symbolsize = 0;
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#if NKSYMS || defined(DDB) || defined(LKM)
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if (! memcmp(&end, "\177ELF", 4)) {
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if (!memcmp(&end, "\177ELF", 4)) {
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sh = (Elf_Shdr *)((char *)&end + ((Elf_Ehdr *)&end)->e_shoff);
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loop = ((Elf_Ehdr *)&end)->e_shnum;
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for(; loop; loop--, sh++)
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for (; loop; loop--, sh++)
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if (sh->sh_offset > 0 &&
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(sh->sh_offset + sh->sh_size) > symbolsize)
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symbolsize = sh->sh_offset + sh->sh_size;
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@ -358,7 +346,7 @@ initarm(argc, argv, bi)
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/* parse kernel args */
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boot_file[0] = '\0';
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strncpy(booted_kernel_storage, *argv, sizeof(booted_kernel_storage));
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for(argc--, argv++; argc; argc--, argv++)
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for (argc--, argv++; argc; argc--, argv++)
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switch(**argv) {
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case 'a':
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boothowto |= RB_ASKNAME;
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@ -395,12 +383,12 @@ initarm(argc, argv, bi)
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/*
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* hpcboot has loaded me with MMU disabled.
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* So create kernel page tables and enable MMU
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* So create kernel page tables and enable MMU.
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*/
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/*
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* Set up the variables that define the availablilty of physcial
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* memory
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* memory.
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*/
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physical_start = bootconfig.dram[0].address;
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physical_freestart = physical_start
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@ -419,8 +407,8 @@ initarm(argc, argv, bi)
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memset((void *)KERNEL_BASE, 0, KERNEL_TEXT_BASE - KERNEL_BASE);
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/*
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* Right We have the bottom meg of memory mapped to 0x00000000
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* so was can get at it. The kernel will ocupy the start of it.
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* Right. We have the bottom meg of memory mapped to 0x00000000
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* so was can get at it. The kernel will occupy the start of it.
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* After the kernel/args we allocate some of the fixed page tables
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* we need to get the system going.
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* We allocate one page directory and 8 page tables and store the
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@ -428,16 +416,16 @@ initarm(argc, argv, bi)
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* Must remember that neither the page L1 or L2 page tables are the
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* same size as a page !
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*
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* Ok the next bit of physical allocate may look complex but it is
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* Ok, the next bit of physical allocate may look complex but it is
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* simple really. I have done it like this so that no memory gets
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* wasted during the allocate of various pages and tables that are
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* all different sizes.
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* The start address will be page aligned.
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* We allocate the kernel page directory on the first free 16KB
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* boundry we find.
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* We allocate the kernel page tables on the first 1KB boundry we find.
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* boundary we find.
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* We allocate the kernel page tables on the first 1KB boundary we find.
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* We allocate 9 PT's. This means that in the process we
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* KNOW that we will encounter at least 1 16KB boundry.
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* KNOW that we will encounter at least 1 16KB boundary.
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*
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* Eventually if the top end of the memory gets used for process L1
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* page tables the kernel L1 page table may be moved up there.
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@ -500,7 +488,7 @@ initarm(argc, argv, bi)
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* in recent versions of the pmap code. Due to the calls used there
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* we cannot allocate virtual memory during bootstrap.
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*/
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for(;;) {
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for (;;) {
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alloc_pages(sa1_cc_base, 1);
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if (! (sa1_cc_base & (CPU_SA110_CACHE_CLEAN_SIZE - 1)))
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break;
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@ -515,8 +503,8 @@ initarm(argc, argv, bi)
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alloc_pages(sa11x0_idle_mem, 1);
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/*
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* Ok we have allocated physical pages for the primary kernel
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* page tables
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* Ok, we have allocated physical pages for the primary kernel
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* page tables.
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*/
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#ifdef VERBOSE_INIT_ARM
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@ -524,9 +512,9 @@ initarm(argc, argv, bi)
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#endif
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/*
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* Now we start consturction of the L1 page table
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* Now we start construction of the L1 page table.
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* We start by mapping the L2 page tables into the L1.
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* This means that we can replace L1 mappings later on if necessary
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* This means that we can replace L1 mappings later on if necessary.
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*/
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l1pagetable = kernel_l1pt.pv_pa;
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@ -665,7 +653,7 @@ initarm(argc, argv, bi)
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/*
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* Moved from cpu_startup() as data_abort_handler() references
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* this during uvm init
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* this during uvm init.
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*/
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proc0paddr = (struct user *)kernelstack.pv_va;
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lwp0.l_addr = proc0paddr;
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@ -742,7 +730,7 @@ initarm(argc, argv, bi)
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}
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/* We return the new stack pointer address */
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return(kernelstack.pv_va + USPACE_SVC_STACK_TOP);
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return (kernelstack.pv_va + USPACE_SVC_STACK_TOP);
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}
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void
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@ -767,7 +755,7 @@ consinit(void)
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#ifdef DEBUG_BEFOREMMU
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cons_decl(sacom);
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void
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fakecninit()
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fakecninit(void)
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{
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static struct consdev fakecntab = cons_init(sacom);
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cn_tab = &fakecntab;
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@ -784,7 +772,7 @@ fakecninit()
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* and then we alternate the cache cleaning between the
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* two banks.
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* The cache cleaning code requires requires 2 banks aligned
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* on total size boundry so the banks can be alternated by
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* on total size boundary so the banks can be alternated by
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* eorring the size bit (assumes the bank size is a power of 2)
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*/
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void
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@ -812,12 +800,12 @@ void dumppages(char *start, int nbytes)
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char *p1;
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int i;
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for(i = nbytes; i > 0; i -= 16, p += 16) {
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for(p1 = p + 15; p != p1; p1--) {
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for (i = nbytes; i > 0; i -= 16, p += 16) {
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for (p1 = p + 15; p != p1; p1--) {
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if (*p1)
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break;
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}
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if (! *p1)
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if (!*p1)
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continue;
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printf("%08x %02x %02x %02x %02x %02x %02x %02x %02x"
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" %02x %02x %02x %02x %02x %02x %02x %02x\n",
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