Cleanup time:
Fix code indenting. Removed a load of unnecessary includes. Removed unnecessary prototypes and variables. Removed dead variables debug_flags and cpu_cache. Removed some unnecessary cache syncs. Only sync the first 64 bytes after setting up the vectors. Removed all the boot argument checking code and instead call the generic ARM boot argument checking code parse_mi_bootargs() in machdep.c Use the get_bootconf_option() function to check for the shark specific quiet and noquiet options.
This commit is contained in:
mark
parent
b3354a2d24
commit
7594278206
@ -1,4 +1,4 @@
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/* $NetBSD: shark_machdep.c,v 1.4 1998/06/21 23:23:40 tv Exp $ */
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/* $NetBSD: shark_machdep.c,v 1.5 1998/06/24 18:49:12 mark Exp $ */
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/*
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* Copyright 1997
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@ -41,31 +41,11 @@
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/reboot.h>
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#include <sys/callout.h>
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#include <sys/proc.h>
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#include <sys/user.h>
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#include <sys/kernel.h>
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#include <sys/mbuf.h>
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#include <sys/msgbuf.h>
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#include <sys/buf.h>
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#include <sys/map.h>
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#include <sys/exec.h>
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#include <sys/mount.h>
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#include <sys/vnode.h>
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#include <sys/device.h>
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#include <vm/vm.h>
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#include <sys/sysctl.h>
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#include <sys/syscallargs.h>
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#ifdef SYSVMSG
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#include <sys/msg.h>
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#endif
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#ifdef SYSVSEM
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#include <sys/sem.h>
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#endif
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#ifdef SYSVSHM
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#include <sys/shm.h>
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#endif
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#include <dev/cons.h>
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@ -75,7 +55,6 @@
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#include <vm/vm_kern.h>
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#include <machine/signal.h>
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#include <machine/frame.h>
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#include <machine/bootconfig.h>
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#include <machine/cpu.h>
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@ -83,10 +62,8 @@
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#include <machine/pio.h>
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#include <machine/pte.h>
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#include <machine/undefined.h>
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#include <machine/rtc.h>
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#include "ipkdb.h"
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#include "md.h"
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#include <dev/ofw/openfirm.h>
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#include <machine/ofw.h>
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@ -112,24 +89,18 @@ extern pv_addr_t kernelstack;
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extern u_int data_abort_handler_address;
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extern u_int prefetch_abort_handler_address;
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extern u_int undefined_handler_address;
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#ifdef PMAP_DEBUG
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extern int pmap_debug_level;
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#endif
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extern int bufpages;
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/*
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* Imported routines
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*/
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extern void parse_mi_bootargs __P((char *args));
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extern void data_abort_handler __P((trapframe_t *frame));
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extern void prefetch_abort_handler __P((trapframe_t *frame));
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extern void undefinedinstruction_bounce __P((trapframe_t *frame));
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#ifdef PMAP_DEBUG
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extern void pmap_debug __P((int level));
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#endif
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extern void consinit __P((void));
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#ifdef DDB
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extern void db_machine_init __P((void));
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#endif
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extern u_long strtoul __P((const char *s, char **ptr, int base));
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int ofbus_match __P((struct device *, struct cfdata *, void *));
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void ofbus_attach __P((struct device *, struct device *, void *));
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@ -140,12 +111,9 @@ void ofbus_attach __P((struct device *, struct device *, void *));
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BootConfig bootconfig;
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char *boot_path;
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char *boot_args;
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int debug_flags;
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int max_processes;
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int cpu_cache;
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#if NMD > 0
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u_int memory_disc_size;
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#endif
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#ifndef PMAP_STATIC_L1S
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int max_processes = 64; /* Default number */
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#endif /* !PMAP_STATIC_L1S */
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int ofw_handleticks = 0; /* set to TRUE by cpu_initclocks */
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@ -165,7 +133,7 @@ u_int cpu_reset_address = 0;
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* cleaning between the 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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* eorring the size bit (assumes the bank size is a power of 2)
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* xorring the size bit (assumes the bank size is a power of 2)
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*/
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extern unsigned int sa110_cache_clean_addr;
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extern unsigned int sa110_cache_clean_size;
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@ -179,18 +147,19 @@ struct cfattach ofbus_root_ca = {
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* Exported routines
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*/
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/* Move to header file? */
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extern void boot __P((int, char *));
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extern void cpu_reboot __P((int, char *));
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extern vm_offset_t initarm __P((ofw_handle_t));
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extern void consinit __P((void));
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extern void process_kernel_args __P((void));
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extern void ofrootfound __P((void));
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/* Local routines */
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static void process_kernel_args __P((void));
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/**************************************************************/
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/*
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* void boot(int howto, char *bootstr)
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* void cpu_reboot(int howto, char *bootstr)
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*
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* Reboots the system, in evsent of:
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* - reboot system call
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@ -199,13 +168,13 @@ extern void ofrootfound __P((void));
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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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int howto;
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char *bootstr;
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{
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/* Just call OFW common routine. */
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ofw_boot(howto, bootstr);
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/* Just call OFW common routine. */
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ofw_boot(howto, bootstr);
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OF_boot("not reached -- stupid compiler");
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OF_boot("not reached -- stupid compiler");
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}
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/*
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@ -226,105 +195,107 @@ cpu_reboot(howto, bootstr)
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*/
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vm_offset_t
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initarm(ofw_handle)
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ofw_handle_t ofw_handle;
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ofw_handle_t ofw_handle;
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{
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vm_offset_t pclean;
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vm_offset_t isa_io_physaddr, isa_mem_physaddr;
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vm_offset_t isa_io_virtaddr, isa_mem_virtaddr;
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vm_offset_t isadmaphysbufs;
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fiqhandler_t fiqhandler;
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extern void shark_fiq __P((void));
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extern void shark_fiq_end __P((void));
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vm_offset_t pclean;
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vm_offset_t isa_io_physaddr, isa_mem_physaddr;
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vm_offset_t isa_io_virtaddr, isa_mem_virtaddr;
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vm_offset_t isadmaphysbufs;
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fiqhandler_t fiqhandler;
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extern void shark_fiq __P((void));
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extern void shark_fiq_end __P((void));
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/* Don't want to get hit with interrupts 'til we're ready. */
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(void)disable_interrupts(I32_bit | F32_bit);
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/* Don't want to get hit with interrupts 'til we're ready. */
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(void)disable_interrupts(I32_bit | F32_bit);
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set_cpufuncs();
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set_cpufuncs();
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/* XXX - set these somewhere else? -JJK */
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max_processes = 64;
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debug_flags = 0;
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boothowto = 0;
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cpu_cache = 0x3; /* IC_ENABLE | DC_ENABLE | WBUF_ENABLE */
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/* XXX - set these somewhere else? -JJK */
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boothowto = 0;
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/* Init the OFW interface. */
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/* MUST do this before invoking any OFW client services! */
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ofw_init(ofw_handle);
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/* Init the OFW interface. */
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/* MUST do this before invoking any OFW client services! */
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ofw_init(ofw_handle);
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/* Configure ISA stuff: must be done before consinit */
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ofw_configisa(&isa_io_physaddr, &isa_mem_physaddr);
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/* Configure ISA stuff: must be done before consinit */
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ofw_configisa(&isa_io_physaddr, &isa_mem_physaddr);
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/* Map-in ISA I/O and memory space. */
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/* XXX - this should be done in the isa-bus attach routine! -JJK */
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isa_mem_virtaddr = ofw_map(isa_mem_physaddr, NBPD, 0);
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isa_io_virtaddr = ofw_map(isa_io_physaddr, NBPD, 0);
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/* Map-in ISA I/O and memory space. */
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/* XXX - this should be done in the isa-bus attach routine! -JJK */
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isa_mem_virtaddr = ofw_map(isa_mem_physaddr, NBPD, 0);
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isa_io_virtaddr = ofw_map(isa_io_physaddr, NBPD, 0);
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/* Set-up the ISA system: must be done before consinit */
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isa_init(isa_io_virtaddr, isa_mem_virtaddr);
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/* Set-up the ISA system: must be done before consinit */
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isa_init(isa_io_virtaddr, isa_mem_virtaddr);
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/* Initialize the console (which will call into OFW). */
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/* This will allow us to see panic messages and other printf output. */
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consinit();
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/* Initialize the console (which will call into OFW). */
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/* This will allow us to see panic messages and other printf output. */
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consinit();
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/* Get boot info and process it. */
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ofw_getbootinfo(&boot_path, &boot_args);
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process_kernel_args();
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/* Get boot info and process it. */
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ofw_getbootinfo(&boot_path, &boot_args);
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process_kernel_args();
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ofw_configisadma(&isadmaphysbufs);
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isaphysmem = ofw_map(isadmaphysbufs,
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(DMA_BOUNCE * NBPG + DMA_LARGE_BUFFER_SIZE), 0);
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ofw_configisadma(&isadmaphysbufs);
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isaphysmem = ofw_map(isadmaphysbufs,
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(DMA_BOUNCE * NBPG + DMA_LARGE_BUFFER_SIZE), 0);
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/* allocate a cache clean space */
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if ((pclean = ofw_getcleaninfo()) != -1) {
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sa110_cache_clean_addr = ofw_map(pclean, 0x4000 * 2, PT_B | PT_C);
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sa110_cache_clean_size = 0x4000;
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}
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/* allocate a cache clean space */
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if ((pclean = ofw_getcleaninfo()) != -1) {
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sa110_cache_clean_addr = ofw_map(pclean, 0x4000 * 2,
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PT_B | PT_C);
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sa110_cache_clean_size = 0x4000;
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}
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/* Configure memory. */
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ofw_configmem();
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/* Configure memory. */
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ofw_configmem();
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/* Set-up stacks. */
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{
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/* The kernel stack for SVC mode will be updated on return from this routine. */
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/*
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* Set-up stacks.
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* The kernel stack for SVC mode will be updated on return
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* from this routine.
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*/
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set_stackptr(PSR_IRQ32_MODE, irqstack.virtual + NBPG);
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set_stackptr(PSR_UND32_MODE, undstack.virtual + NBPG);
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set_stackptr(PSR_ABT32_MODE, abtstack.virtual + NBPG);
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}
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/* Set-up exception handlers. */
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{
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/* Take control of selected vectors from OFW. */
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/* We take: undefined, swi, pre-fetch abort, data abort, addrexc,
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irq, fiq
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OFW retains: reset
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*/
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/* Set-up exception handlers. */
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/*
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* Take control of selected vectors from OFW.
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* We take: undefined, swi, pre-fetch abort, data abort, addrexc,
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* irq, fiq
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* OFW retains: reset
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*/
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{
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int our_vecnums[] = {1, 2, 3, 4, 5, 6, 7};
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unsigned int *vectors = (unsigned int *)0;
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extern unsigned int page0[];
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int i;
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int our_vecnums[] = {1, 2, 3, 4, 5, 6, 7};
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unsigned int *vectors = (unsigned int *)0;
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extern unsigned int page0[];
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int i;
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for (i = 0; i < (sizeof(our_vecnums) / sizeof(int)); i++) {
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int vecnum = our_vecnums[i];
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for (i = 0; i < (sizeof(our_vecnums) / sizeof(int)); i++) {
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int vecnum = our_vecnums[i];
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/* Copy both the instruction and the data word for the vector. */
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/* The latter is needed to support branching arbitrarily far. */
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vectors[vecnum] = page0[vecnum];
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vectors[vecnum+8] = page0[vecnum+8];
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}
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/* Copy both the instruction and the data word
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* for the vector.
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* The latter is needed to support branching
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* arbitrarily far.
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*/
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vectors[vecnum] = page0[vecnum];
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vectors[vecnum + 8] = page0[vecnum + 8];
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}
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cpu_cache_syncI();
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/* Sync the first 16 words of memory */
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cpu_cache_syncI_rng(0, 64);
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}
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data_abort_handler_address = (u_int)data_abort_handler;
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prefetch_abort_handler_address = (u_int)prefetch_abort_handler;
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undefined_handler_address =
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(u_int)undefinedinstruction_bounce; /* why is this needed? -JJK */
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cpu_cache_syncI(); /* XXX - Is this really needed */
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(u_int)undefinedinstruction_bounce; /* why is this needed? -JJK */
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/* Initialise the undefined instruction handlers. */
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undefined_init();
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cpu_cache_syncI(); /* XXX - Is this really needed */
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/* Now for the SHARK-specific part of the FIQ set-up */
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fiqhandler.fh_func = shark_fiq;
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@ -337,26 +308,25 @@ initarm(ofw_handle)
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fiqhandler.fh_r12 = 0; /* scratch */
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fiqhandler.fh_r13 = 0; /* must set a stack when r9 is set! */
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if (fiq_claim(&fiqhandler)) panic("Cannot claim FIQ vector.\n");
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}
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if (fiq_claim(&fiqhandler))
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panic("Cannot claim FIQ vector.\n");
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#ifdef DDB
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printf("ddb: ");
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db_machine_init();
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{
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struct exec *kernexec = (struct exec *)KERNEL_BASE;
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extern int end;
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extern char *esym;
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printf("ddb: ");
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db_machine_init();
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{
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struct exec *kernexec = (struct exec *)KERNEL_BASE;
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extern int end;
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extern char *esym;
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ddb_init(kernexec->a_syms, &end, esym);
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}
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if (boothowto & RB_KDB)
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Debugger();
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ddb_init(kernexec->a_syms, &end, esym);
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}
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if (boothowto & RB_KDB)
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Debugger();
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#endif
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/* Return the new stackbase. */
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return(kernelstack.virtual + USPACE_SVC_STACK_TOP);
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/* Return the new stackbase. */
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return(kernelstack.virtual + USPACE_SVC_STACK_TOP);
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}
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@ -365,145 +335,37 @@ initarm(ofw_handle)
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*
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* Note that this routine must NOT trash boot_args, as
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* it is scanned by later routines.
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*
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* There ought to be a routine in machdep.c that does
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* the generic bits of this. -JJK
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*/
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void
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static void
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process_kernel_args(void)
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{
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#ifdef RB_QUIET
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int bool;
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#endif
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#if defined(RB_QUIET) && defined(BOOT_QUIETLY)
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boothowto |= RB_QUIET;
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boothowto |= RB_QUIET;
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#endif
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/* Check for MI args. */
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{
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char *p, *q;
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for (q = boot_args; *q && (p = strstr(q, "-")) != NULL; q = p) {
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/*
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* Be sure the arguments are surrounded by space or NUL
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*/
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if(p > boot_args && p[-1] != ' ') {
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p++;
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continue;
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}
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if(*++p == '\0')
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break;
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if(p[1] == ' ' || p[1] == '\0') {
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switch (*p) {
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case 's':
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boothowto |= RB_SINGLE;
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break;
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case 'a':
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boothowto |= RB_ASKNAME;
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break;
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case 'k':
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boothowto |= RB_KDB;
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break;
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default:
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break;
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}
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}
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}
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}
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/* Check for arm-specific args. */
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{
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char *args = boot_args, *ptr;
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if ((ptr = strstr(args, "nocache")) != NULL) {
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if((ptr > boot_args || ptr[-1] == ' ') &&
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(ptr[7] == ' ' || ptr[7] == '\0'))
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cpu_cache &= ~1;
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}
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if ((ptr = strstr(args, "nowritebuf")) != NULL) {
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if((ptr > boot_args || ptr[-1] == ' ') &&
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(ptr[10] == ' ' || ptr[10] == '\0'))
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cpu_cache &= ~2;
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}
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if ((ptr = strstr(args, "fpaclk2")) != NULL) {
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if((ptr > boot_args || ptr[-1] == ' ') &&
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(ptr[7] == ' ' || ptr[7] == '\0'))
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cpu_cache |= 4;
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}
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if ((ptr = strstr(args, "icache")) != NULL) {
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if((ptr > boot_args || ptr[-1] == ' ') &&
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(ptr[6] == ' ' || ptr[6] == '\0'))
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cpu_cache |= 8;
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}
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if ((ptr = strstr(args, "dcache")) != NULL) {
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if((ptr > boot_args || ptr[-1] == ' ') &&
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(ptr[6] == ' ' || ptr[6] == '\0'))
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cpu_cache |= 16;
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}
|
||||
|
||||
ptr = strstr(args, "maxproc=");
|
||||
if (ptr && (ptr > boot_args || ptr[-1] == ' ')) {
|
||||
max_processes = (int)strtoul(ptr + 8, NULL, 10);
|
||||
if (max_processes < 16)
|
||||
max_processes = 16;
|
||||
/* Limit is PDSIZE * (maxprocess+1) <= 4MB */
|
||||
if (max_processes > 255)
|
||||
max_processes = 255;
|
||||
}
|
||||
|
||||
#if NMD > 0
|
||||
ptr = strstr(args, "memorydisc=");
|
||||
if (!ptr)
|
||||
ptr = strstr(args, "memorydisk=");
|
||||
if (ptr && (ptr > boot_args || ptr[-1] == ' ')) {
|
||||
memory_disc_size = (u_int)strtoul(ptr + 11, NULL, 10);
|
||||
memory_disc_size *= 1024;
|
||||
if (memory_disc_size < 32*1024)
|
||||
memory_disc_size = 32*1024;
|
||||
if (memory_disc_size > 2048*1024)
|
||||
memory_disc_size = 2048*1024;
|
||||
}
|
||||
#endif
|
||||
|
||||
if ((ptr = strstr(args, "single")) != NULL) {
|
||||
if((ptr > boot_args || ptr[-1] == ' ') &&
|
||||
(ptr[6] == ' ' || ptr[6] == '\0'))
|
||||
boothowto |= RB_SINGLE;
|
||||
}
|
||||
|
||||
if ((ptr = strstr(args, "kdb")) != NULL) {
|
||||
if((ptr > boot_args || ptr[-1] == ' ') &&
|
||||
(ptr[3] == ' ' || ptr[3] == '\0'))
|
||||
boothowto |= RB_KDB;
|
||||
}
|
||||
|
||||
#ifdef PMAP_DEBUG
|
||||
ptr = strstr(args, "pmapdebug=");
|
||||
if (ptr && (ptr > boot_args || ptr[-1] == ' ')) {
|
||||
pmap_debug_level = (int)strtoul(ptr + 10, NULL, 10);
|
||||
pmap_debug(pmap_debug_level);
|
||||
debug_flags |= 0x01;
|
||||
}
|
||||
#endif
|
||||
|
||||
ptr = strstr(args, "nbuf=");
|
||||
if (ptr && (ptr > boot_args || ptr[-1] == ' '))
|
||||
bufpages = (int)strtoul(ptr + 5, NULL, 10);
|
||||
/* Process all the generic ARM boot options */
|
||||
parse_mi_bootargs(boot_args);
|
||||
|
||||
#ifdef RB_QUIET
|
||||
if (strstr(args, "noquiet"))
|
||||
boothowto &= ~RB_QUIET;
|
||||
else if (strstr(args, "quiet"))
|
||||
boothowto |= RB_QUIET;
|
||||
if (get_bootconf_option(args, "noquiet", BOOTOPT_TYPE_BOOLEAN, &bool)) {
|
||||
if (!bool)
|
||||
boothowto |= RB_QUIET;
|
||||
else
|
||||
boothowto &= ~RB_QUIET;
|
||||
}
|
||||
if (get_bootconf_option(args, "quiet", BOOTOPT_TYPE_BOOLEAN, &bool)) {
|
||||
if (bool)
|
||||
boothowto |= RB_QUIET;
|
||||
else
|
||||
boothowto &= ~RB_QUIET;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
/* Check for ofwgencfg-specific args. */
|
||||
{
|
||||
/* None at the moment. */
|
||||
}
|
||||
/* Check for ofwgencfg-specific args here. */
|
||||
}
|
||||
|
||||
|
||||
@ -515,13 +377,13 @@ process_kernel_args(void)
|
||||
void
|
||||
ofrootfound(void)
|
||||
{
|
||||
int node;
|
||||
struct ofbus_attach_args aa;
|
||||
int node;
|
||||
struct ofbus_attach_args aa;
|
||||
|
||||
if (!(node = OF_peer(0)))
|
||||
panic("No OFW root");
|
||||
aa.oba_busname = "ofw";
|
||||
aa.oba_phandle = node;
|
||||
if (!config_rootfound("ofbus", &aa))
|
||||
panic("ofw root ofbus not configured");
|
||||
if (!(node = OF_peer(0)))
|
||||
panic("No OFW root");
|
||||
aa.oba_busname = "ofw";
|
||||
aa.oba_phandle = node;
|
||||
if (!config_rootfound("ofbus", &aa))
|
||||
panic("ofw root ofbus not configured");
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user