diff options
Diffstat (limited to 'arch/sparc')
68 files changed, 223 insertions, 413 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index d211fdb2458..789724e61e8 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -1,4 +1,3 @@ -# $Id: config.in,v 1.113 2002/01/24 22:14:44 davem Exp $ # For a description of the syntax of this configuration file, # see Documentation/kbuild/kconfig-language.txt. # diff --git a/arch/sparc/boot/Makefile b/arch/sparc/boot/Makefile index b365084316a..22d331e1e94 100644 --- a/arch/sparc/boot/Makefile +++ b/arch/sparc/boot/Makefile @@ -1,4 +1,3 @@ -# $Id: Makefile,v 1.10 2000/02/23 08:17:46 jj Exp $ # Makefile for the Sparc boot stuff. # # Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) diff --git a/arch/sparc/boot/btfixupprep.c b/arch/sparc/boot/btfixupprep.c index dc7b0546e3b..52a4208fe4f 100644 --- a/arch/sparc/boot/btfixupprep.c +++ b/arch/sparc/boot/btfixupprep.c @@ -1,4 +1,4 @@ -/* $Id: btfixupprep.c,v 1.6 2001/08/22 15:27:47 davem Exp $ +/* Simple utility to prepare vmlinux image for sparc. Resolves all BTFIXUP uses and settings and creates a special .s object to link to the image. diff --git a/arch/sparc/boot/piggyback.c b/arch/sparc/boot/piggyback.c index 6962cc68ed5..c9f500c1a8b 100644 --- a/arch/sparc/boot/piggyback.c +++ b/arch/sparc/boot/piggyback.c @@ -1,4 +1,4 @@ -/* $Id: piggyback.c,v 1.4 2000/12/05 00:48:57 anton Exp $ +/* Simple utility to make a single-image install kernel with initial ramdisk for Sparc tftpbooting without need to set up nfs. diff --git a/arch/sparc/kernel/ebus.c b/arch/sparc/kernel/ebus.c index 96344ff2bbe..92c6fc07e59 100644 --- a/arch/sparc/kernel/ebus.c +++ b/arch/sparc/kernel/ebus.c @@ -1,4 +1,4 @@ -/* $Id: ebus.c,v 1.20 2002/01/05 01:13:43 davem Exp $ +/* * ebus.c: PCI to EBus bridge device. * * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be) diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S index 57d1bbdd0bd..4bcfe54f878 100644 --- a/arch/sparc/kernel/entry.S +++ b/arch/sparc/kernel/entry.S @@ -1306,6 +1306,8 @@ ret_from_fork: .align 4 .globl linux_sparc_syscall linux_sparc_syscall: + sethi %hi(PSR_SYSCALL), %l4 + or %l0, %l4, %l0 /* Direct access to user regs, must faster. */ cmp %g1, NR_SYSCALLS bgeu linux_sparc_ni_syscall diff --git a/arch/sparc/kernel/etrap.S b/arch/sparc/kernel/etrap.S index a8b35bed12a..f37d961d67a 100644 --- a/arch/sparc/kernel/etrap.S +++ b/arch/sparc/kernel/etrap.S @@ -1,4 +1,4 @@ -/* $Id: etrap.S,v 1.31 2000/01/08 16:38:18 anton Exp $ +/* * etrap.S: Sparc trap window preparation for entry into the * Linux kernel. * diff --git a/arch/sparc/kernel/head.S b/arch/sparc/kernel/head.S index 8bec05fa579..3bfd6085a91 100644 --- a/arch/sparc/kernel/head.S +++ b/arch/sparc/kernel/head.S @@ -1,4 +1,4 @@ -/* $Id: head.S,v 1.105 2001/08/12 09:08:56 davem Exp $ +/* * head.S: The initial boot code for the Sparc port of Linux. * * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) diff --git a/arch/sparc/kernel/idprom.c b/arch/sparc/kernel/idprom.c index 3a5bad52539..7220562cdb3 100644 --- a/arch/sparc/kernel/idprom.c +++ b/arch/sparc/kernel/idprom.c @@ -1,4 +1,4 @@ -/* $Id: idprom.c,v 1.24 1999/08/31 06:54:20 davem Exp $ +/* * idprom.c: Routines to load the idprom into kernel addresses and * interpret the data contained within. * diff --git a/arch/sparc/kernel/init_task.c b/arch/sparc/kernel/init_task.c index d9d4f96360c..8e64ebc445e 100644 --- a/arch/sparc/kernel/init_task.c +++ b/arch/sparc/kernel/init_task.c @@ -9,7 +9,6 @@ #include <asm/uaccess.h> static struct fs_struct init_fs = INIT_FS; -static struct files_struct init_files = INIT_FILES; static struct signal_struct init_signals = INIT_SIGNALS(init_signals); static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); struct mm_struct init_mm = INIT_MM(init_mm); diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c index ad0ede24ca1..7b17522f59b 100644 --- a/arch/sparc/kernel/ioport.c +++ b/arch/sparc/kernel/ioport.c @@ -1,4 +1,4 @@ -/* $Id: ioport.c,v 1.45 2001/10/30 04:54:21 davem Exp $ +/* * ioport.c: Simple io mapping allocator. * * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) diff --git a/arch/sparc/kernel/irq.c b/arch/sparc/kernel/irq.c index 01a6756ba37..087390b092b 100644 --- a/arch/sparc/kernel/irq.c +++ b/arch/sparc/kernel/irq.c @@ -1,4 +1,4 @@ -/* $Id: irq.c,v 1.114 2001/12/11 04:55:51 davem Exp $ +/* * arch/sparc/kernel/irq.c: Interrupt request handling routines. On the * Sparc the IRQs are basically 'cast in stone' * and you are supposed to probe the prom's device diff --git a/arch/sparc/kernel/led.c b/arch/sparc/kernel/led.c index 59e9344e7a0..adaaed4ea2f 100644 --- a/arch/sparc/kernel/led.c +++ b/arch/sparc/kernel/led.c @@ -2,6 +2,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/proc_fs.h> +#include <linux/seq_file.h> #include <linux/string.h> #include <linux/jiffies.h> #include <linux/timer.h> @@ -45,21 +46,22 @@ static void led_blink(unsigned long timeout) add_timer(&led_blink_timer); } -static int led_read_proc(char *buf, char **start, off_t offset, int count, - int *eof, void *data) +static int led_proc_show(struct seq_file *m, void *v) { - int len = 0; - if (get_auxio() & AUXIO_LED) - len = sprintf(buf, "on\n"); + seq_puts(m, "on\n"); else - len = sprintf(buf, "off\n"); + seq_puts(m, "off\n"); + return 0; +} - return len; +static int led_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, led_proc_show, NULL); } -static int led_write_proc(struct file *file, const char __user *buffer, - unsigned long count, void *data) +static ssize_t led_proc_write(struct file *file, const char __user *buffer, + size_t count, loff_t *ppos) { char *buf = NULL; @@ -103,6 +105,15 @@ static int led_write_proc(struct file *file, const char __user *buffer, return count; } +static const struct file_operations led_proc_fops = { + .owner = THIS_MODULE, + .open = led_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = led_proc_write, +}; + static struct proc_dir_entry *led; #define LED_VERSION "0.1" @@ -112,12 +123,9 @@ static int __init led_init(void) init_timer(&led_blink_timer); led_blink_timer.function = led_blink; - led = create_proc_entry("led", 0, NULL); + led = proc_create("led", 0, NULL, &led_proc_fops); if (!led) return -ENOMEM; - - led->read_proc = led_read_proc; /* reader function */ - led->write_proc = led_write_proc; /* writer function */ led->owner = THIS_MODULE; printk(KERN_INFO diff --git a/arch/sparc/kernel/muldiv.c b/arch/sparc/kernel/muldiv.c index 37b9a494223..e352239e72c 100644 --- a/arch/sparc/kernel/muldiv.c +++ b/arch/sparc/kernel/muldiv.c @@ -1,4 +1,4 @@ -/* $Id: muldiv.c,v 1.5 1997/12/15 20:07:20 ecd Exp $ +/* * muldiv.c: Hardware multiply/division illegal instruction trap * for sun4c/sun4 (which do not have those instructions) * diff --git a/arch/sparc/kernel/process.c b/arch/sparc/kernel/process.c index e7f35198ae3..da48d248cc1 100644 --- a/arch/sparc/kernel/process.c +++ b/arch/sparc/kernel/process.c @@ -419,14 +419,26 @@ asmlinkage int sparc_do_fork(unsigned long clone_flags, unsigned long stack_size) { unsigned long parent_tid_ptr, child_tid_ptr; + unsigned long orig_i1 = regs->u_regs[UREG_I1]; + long ret; parent_tid_ptr = regs->u_regs[UREG_I2]; child_tid_ptr = regs->u_regs[UREG_I4]; - return do_fork(clone_flags, stack_start, - regs, stack_size, - (int __user *) parent_tid_ptr, - (int __user *) child_tid_ptr); + ret = do_fork(clone_flags, stack_start, + regs, stack_size, + (int __user *) parent_tid_ptr, + (int __user *) child_tid_ptr); + + /* If we get an error and potentially restart the system + * call, we're screwed because copy_thread() clobbered + * the parent's %o1. So detect that case and restore it + * here. + */ + if ((unsigned long)ret >= -ERESTART_RESTARTBLOCK) + regs->u_regs[UREG_I1] = orig_i1; + + return ret; } /* Copy a Sparc thread. The fork() return value conventions @@ -626,11 +638,6 @@ asmlinkage int sparc_execve(struct pt_regs *regs) (char __user * __user *)regs->u_regs[base + UREG_I2], regs); putname(filename); - if (error == 0) { - task_lock(current); - current->ptrace &= ~PT_DTRACE; - task_unlock(current); - } out: return error; } diff --git a/arch/sparc/kernel/ptrace.c b/arch/sparc/kernel/ptrace.c index 7f44ae69b29..81f3b929743 100644 --- a/arch/sparc/kernel/ptrace.c +++ b/arch/sparc/kernel/ptrace.c @@ -170,8 +170,8 @@ static int genregs32_set(struct task_struct *target, switch (pos) { case 32: /* PSR */ psr = regs->psr; - psr &= ~PSR_ICC; - psr |= (reg & PSR_ICC); + psr &= ~(PSR_ICC | PSR_SYSCALL); + psr |= (reg & (PSR_ICC | PSR_SYSCALL)); regs->psr = psr; break; case 33: /* PC */ @@ -441,6 +441,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; default: + if (request == PTRACE_SPARC_DETACH) + request = PTRACE_DETACH; ret = ptrace_request(child, request, addr, data); break; } diff --git a/arch/sparc/kernel/rtrap.S b/arch/sparc/kernel/rtrap.S index 77ca6fd8125..ce30082ab26 100644 --- a/arch/sparc/kernel/rtrap.S +++ b/arch/sparc/kernel/rtrap.S @@ -1,4 +1,4 @@ -/* $Id: rtrap.S,v 1.58 2002/01/31 03:30:05 davem Exp $ +/* * rtrap.S: Return from Sparc trap low-level code. * * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) @@ -50,8 +50,9 @@ rtrap_7win_patch5: and %g1, 0x7f, %g1 ret_trap_entry: ret_trap_lockless_ipi: andcc %t_psr, PSR_PS, %g0 + sethi %hi(PSR_SYSCALL), %g1 be 1f - nop + andn %t_psr, %g1, %t_psr wr %t_psr, 0x0, %psr b ret_trap_kernel @@ -73,7 +74,6 @@ signal_p: ld [%sp + STACKFRAME_SZ + PT_PSR], %t_psr mov %l5, %o1 - mov %l6, %o2 call do_signal add %sp, STACKFRAME_SZ, %o0 ! pt_regs ptr @@ -81,6 +81,8 @@ signal_p: ld [%sp + STACKFRAME_SZ + PT_PSR], %t_psr clr %l6 ret_trap_continue: + sethi %hi(PSR_SYSCALL), %g1 + andn %t_psr, %g1, %t_psr wr %t_psr, 0x0, %psr WRITE_PAUSE @@ -137,8 +139,9 @@ ret_trap_userwins_ok: LOAD_PT_PRIV(sp, t_psr, t_pc, t_npc) or %t_pc, %t_npc, %g2 andcc %g2, 0x3, %g0 + sethi %hi(PSR_SYSCALL), %g2 be 1f - nop + andn %t_psr, %g2, %t_psr b ret_trap_unaligned_pc add %sp, STACKFRAME_SZ, %o0 @@ -201,6 +204,8 @@ rtrap_patch5: and %g1, 0xff, %g1 1: LOAD_PT_ALL(sp, t_psr, t_pc, t_npc, g1) 2: + sethi %hi(PSR_SYSCALL), %twin_tmp1 + andn %t_psr, %twin_tmp1, %t_psr wr %t_psr, 0x0, %psr WRITE_PAUSE diff --git a/arch/sparc/kernel/setup.c b/arch/sparc/kernel/setup.c index 3c13137685d..a0ea0bc6f47 100644 --- a/arch/sparc/kernel/setup.c +++ b/arch/sparc/kernel/setup.c @@ -1,4 +1,4 @@ -/* $Id: setup.c,v 1.126 2001/11/13 00:49:27 davem Exp $ +/* * linux/arch/sparc/kernel/setup.c * * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) @@ -180,11 +180,9 @@ static void __init boot_flags_init(char *commands) /* This routine will in the future do all the nasty prom stuff * to probe for the mmu type and its parameters, etc. This will - * also be where SMP things happen plus the Sparc specific memory - * physical memory probe as on the alpha. + * also be where SMP things happen. */ -extern int prom_probe_memory(void); extern void sun4c_probe_vac(void); extern char cputypval; extern unsigned long start, end; @@ -268,7 +266,6 @@ void __init setup_arch(char **cmdline_p) if (ARCH_SUN4C_SUN4) sun4c_probe_vac(); load_mmu(); - (void) prom_probe_memory(); phys_base = 0xffffffffUL; highest_paddr = 0UL; diff --git a/arch/sparc/kernel/signal.c b/arch/sparc/kernel/signal.c index 3c312290c3c..3fd1df9f9ba 100644 --- a/arch/sparc/kernel/signal.c +++ b/arch/sparc/kernel/signal.c @@ -145,6 +145,9 @@ asmlinkage void do_sigreturn(struct pt_regs *regs) regs->psr = (up_psr & ~(PSR_ICC | PSR_EF)) | (regs->psr & (PSR_ICC | PSR_EF)); + /* Prevent syscall restart. */ + pt_regs_clear_syscall(regs); + err |= __get_user(fpu_save, &sf->fpu_save); if (fpu_save) @@ -199,6 +202,9 @@ asmlinkage void do_rt_sigreturn(struct pt_regs *regs) regs->psr = (regs->psr & ~PSR_ICC) | (psr & PSR_ICC); + /* Prevent syscall restart. */ + pt_regs_clear_syscall(regs); + err |= __get_user(fpu_save, &sf->fpu_save); if (fpu_save) @@ -245,15 +251,29 @@ static inline int invalid_frame_pointer(void __user *fp, int fplen) static inline void __user *get_sigframe(struct sigaction *sa, struct pt_regs *regs, unsigned long framesize) { - unsigned long sp; + unsigned long sp = regs->u_regs[UREG_FP]; - sp = regs->u_regs[UREG_FP]; + /* + * If we are on the alternate signal stack and would overflow it, don't. + * Return an always-bogus address instead so we will die with SIGSEGV. + */ + if (on_sig_stack(sp) && !likely(on_sig_stack(sp - framesize))) + return (void __user *) -1L; /* This is the X/Open sanctioned signal stack switching. */ if (sa->sa_flags & SA_ONSTACK) { - if (!on_sig_stack(sp) && !((current->sas_ss_sp + current->sas_ss_size) & 7)) + if (sas_ss_flags(sp) == 0) sp = current->sas_ss_sp + current->sas_ss_size; } + + /* Always align the stack frame. This handles two cases. First, + * sigaltstack need not be mindful of platform specific stack + * alignment. Second, if we took this signal because the stack + * is not aligned properly, we'd like to take the signal cleanly + * and report that. + */ + sp &= ~7UL; + return (void __user *)(sp - framesize); } @@ -493,26 +513,36 @@ static inline void syscall_restart(unsigned long orig_i0, struct pt_regs *regs, * want to handle. Thus you cannot kill init even with a SIGKILL even by * mistake. */ -asmlinkage void do_signal(struct pt_regs * regs, unsigned long orig_i0, int restart_syscall) +asmlinkage void do_signal(struct pt_regs * regs, unsigned long orig_i0) { - siginfo_t info; - struct sparc_deliver_cookie cookie; struct k_sigaction ka; - int signr; + int restart_syscall; sigset_t *oldset; + siginfo_t info; + int signr; - cookie.restart_syscall = restart_syscall; - cookie.orig_i0 = orig_i0; + if (pt_regs_is_syscall(regs) && (regs->psr & PSR_C)) + restart_syscall = 1; + else + restart_syscall = 0; if (test_thread_flag(TIF_RESTORE_SIGMASK)) oldset = ¤t->saved_sigmask; else oldset = ¤t->blocked; - signr = get_signal_to_deliver(&info, &ka, regs, &cookie); + signr = get_signal_to_deliver(&info, &ka, regs, NULL); + + /* If the debugger messes with the program counter, it clears + * the software "in syscall" bit, directing us to not perform + * a syscall restart. + */ + if (restart_syscall && !pt_regs_is_syscall(regs)) + restart_syscall = 0; + if (signr > 0) { - if (cookie.restart_syscall) - syscall_restart(cookie.orig_i0, regs, &ka.sa); + if (restart_syscall) + syscall_restart(orig_i0, regs, &ka.sa); handle_signal(signr, &ka, &info, oldset, regs); /* a signal was successfully delivered; the saved @@ -524,16 +554,16 @@ asmlinkage void do_signal(struct pt_regs * regs, unsigned long orig_i0, int rest clear_thread_flag(TIF_RESTORE_SIGMASK); return; } - if (cookie.restart_syscall && + if (restart_syscall && (regs->u_regs[UREG_I0] == ERESTARTNOHAND || regs->u_regs[UREG_I0] == ERESTARTSYS || regs->u_regs[UREG_I0] == ERESTARTNOINTR)) { /* replay the system call when we are done */ - regs->u_regs[UREG_I0] = cookie.orig_i0; + regs->u_regs[UREG_I0] = orig_i0; regs->pc -= 4; regs->npc -= 4; } - if (cookie.restart_syscall && + if (restart_syscall && regs->u_regs[UREG_I0] == ERESTART_RESTARTBLOCK) { regs->u_regs[UREG_G1] = __NR_restart_syscall; regs->pc -= 4; @@ -585,27 +615,3 @@ do_sys_sigstack(struct sigstack __user *ssptr, struct sigstack __user *ossptr, out: return ret; } - -void ptrace_signal_deliver(struct pt_regs *regs, void *cookie) -{ - struct sparc_deliver_cookie *cp = cookie; - - if (cp->restart_syscall && - (regs->u_regs[UREG_I0] == ERESTARTNOHAND || - regs->u_regs[UREG_I0] == ERESTARTSYS || - regs->u_regs[UREG_I0] == ERESTARTNOINTR)) { - /* replay the system call when we are done */ - regs->u_regs[UREG_I0] = cp->orig_i0; - regs->pc -= 4; - regs->npc -= 4; - cp->restart_syscall = 0; - } - - if (cp->restart_syscall && - regs->u_regs[UREG_I0] == ERESTART_RESTARTBLOCK) { - regs->u_regs[UREG_G1] = __NR_restart_syscall; - regs->pc -= 4; - regs->npc -= 4; - cp->restart_syscall = 0; - } -} diff --git a/arch/sparc/kernel/sparc_ksyms.c b/arch/sparc/kernel/sparc_ksyms.c index aa8ee06cf48..b23cea5ca5d 100644 --- a/arch/sparc/kernel/sparc_ksyms.c +++ b/arch/sparc/kernel/sparc_ksyms.c @@ -1,4 +1,4 @@ -/* $Id: sparc_ksyms.c,v 1.107 2001/07/17 16:17:33 anton Exp $ +/* * arch/sparc/kernel/ksyms.c: Sparc specific ksyms support. * * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c index e0efab2a6be..8ac5661caff 100644 --- a/arch/sparc/kernel/sun4d_irq.c +++ b/arch/sparc/kernel/sun4d_irq.c @@ -1,4 +1,4 @@ -/* $Id: sun4d_irq.c,v 1.29 2001/12/11 04:55:51 davem Exp $ +/* * arch/sparc/kernel/sun4d_irq.c: * SS1000/SC2000 interrupt handling. * diff --git a/arch/sparc/kernel/sys_sparc.c b/arch/sparc/kernel/sys_sparc.c index f188b5dc9fd..3c6b49a53ae 100644 --- a/arch/sparc/kernel/sys_sparc.c +++ b/arch/sparc/kernel/sys_sparc.c @@ -219,12 +219,11 @@ out: return err; } -int sparc_mmap_check(unsigned long addr, unsigned long len, unsigned long flags) +int sparc_mmap_check(unsigned long addr, unsigned long len) { if (ARCH_SUN4C_SUN4 && (len > 0x20000000 || - ((flags & MAP_FIXED) && - addr < 0xe0000000 && addr + len > 0x20000000))) + (addr < 0xe0000000 && addr + len > 0x20000000))) return -EINVAL; /* See asm-sparc/uaccess.h */ @@ -296,52 +295,14 @@ asmlinkage unsigned long sparc_mremap(unsigned long addr, unsigned long old_len, unsigned long new_len, unsigned long flags, unsigned long new_addr) { - struct vm_area_struct *vma; unsigned long ret = -EINVAL; - if (ARCH_SUN4C_SUN4) { - if (old_len > 0x20000000 || new_len > 0x20000000) - goto out; - if (addr < 0xe0000000 && addr + old_len > 0x20000000) - goto out; - } - if (old_len > TASK_SIZE - PAGE_SIZE || - new_len > TASK_SIZE - PAGE_SIZE) + + if (unlikely(sparc_mmap_check(addr, old_len))) + goto out; + if (unlikely(sparc_mmap_check(new_addr, new_len))) goto out; down_write(¤t->mm->mmap_sem); - if (flags & MREMAP_FIXED) { - if (ARCH_SUN4C_SUN4 && - new_addr < 0xe0000000 && - new_addr + new_len > 0x20000000) - goto out_sem; - if (new_addr + new_len > TASK_SIZE - PAGE_SIZE) - goto out_sem; - } else if ((ARCH_SUN4C_SUN4 && addr < 0xe0000000 && - addr + new_len > 0x20000000) || - addr + new_len > TASK_SIZE - PAGE_SIZE) { - unsigned long map_flags = 0; - struct file *file = NULL; - - ret = -ENOMEM; - if (!(flags & MREMAP_MAYMOVE)) - goto out_sem; - - vma = find_vma(current->mm, addr); - if (vma) { - if (vma->vm_flags & VM_SHARED) - map_flags |= MAP_SHARED; - file = vma->vm_file; - } - - new_addr = get_unmapped_area(file, addr, new_len, - vma ? vma->vm_pgoff : 0, - map_flags); - ret = new_addr; - if (new_addr & ~PAGE_MASK) - goto out_sem; - flags |= MREMAP_FIXED; - } ret = do_mremap(addr, old_len, new_len, flags, new_addr); -out_sem: up_write(¤t->mm->mmap_sem); out: return ret; diff --git a/arch/sparc/kernel/trampoline.S b/arch/sparc/kernel/trampoline.S index 2dcdaa1fd8c..356c56aebc6 100644 --- a/arch/sparc/kernel/trampoline.S +++ b/arch/sparc/kernel/trampoline.S @@ -1,4 +1,4 @@ -/* $Id: trampoline.S,v 1.14 2002/01/11 08:45:38 davem Exp $ +/* * trampoline.S: SMP cpu boot-up trampoline code. * * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) diff --git a/arch/sparc/kernel/traps.c b/arch/sparc/kernel/traps.c index d404e799452..978e9d85949 100644 --- a/arch/sparc/kernel/traps.c +++ b/arch/sparc/kernel/traps.c @@ -1,4 +1,4 @@ -/* $Id: traps.c,v 1.64 2000/09/03 15:00:49 anton Exp $ +/* * arch/sparc/kernel/traps.c * * Copyright 1995 David S. Miller (davem@caip.rutgers.edu) diff --git a/arch/sparc/kernel/unaligned.c b/arch/sparc/kernel/unaligned.c index 33857be1666..c2a28c5ad65 100644 --- a/arch/sparc/kernel/unaligned.c +++ b/arch/sparc/kernel/unaligned.c @@ -1,4 +1,4 @@ -/* $Id: unaligned.c,v 1.23 2001/12/21 00:54:31 davem Exp $ +/* * unaligned.c: Unaligned load/store trap handling with special * cases for the kernel to do them more quickly. * diff --git a/arch/sparc/kernel/wof.S b/arch/sparc/kernel/wof.S index 083b1215d51..4bce38dfe3c 100644 --- a/arch/sparc/kernel/wof.S +++ b/arch/sparc/kernel/wof.S @@ -1,4 +1,4 @@ -/* $Id: wof.S,v 1.40 2000/01/08 16:38:18 anton Exp $ +/* * wof.S: Sparc window overflow handler. * * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) diff --git a/arch/sparc/kernel/wuf.S b/arch/sparc/kernel/wuf.S index d1a266bf103..82e5145b0f7 100644 --- a/arch/sparc/kernel/wuf.S +++ b/arch/sparc/kernel/wuf.S @@ -1,4 +1,4 @@ -/* $Id: wuf.S,v 1.39 2000/01/08 16:38:18 anton Exp $ +/* * wuf.S: Window underflow trap handler for the Sparc. * * Copyright (C) 1995 David S. Miller diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile index 76effdbea07..6e303e10c3b 100644 --- a/arch/sparc/lib/Makefile +++ b/arch/sparc/lib/Makefile @@ -1,4 +1,3 @@ -# $Id: Makefile,v 1.35 2000/12/15 00:41:18 davem Exp $ # Makefile for Sparc library files.. # diff --git a/arch/sparc/lib/ashldi3.S b/arch/sparc/lib/ashldi3.S index 52418a0cb3d..17912e60871 100644 --- a/arch/sparc/lib/ashldi3.S +++ b/arch/sparc/lib/ashldi3.S @@ -1,4 +1,4 @@ -/* $Id: ashldi3.S,v 1.2 1999/11/19 04:11:46 davem Exp $ +/* * ashldi3.S: GCC emits these for certain drivers playing * with long longs. * diff --git a/arch/sparc/lib/ashrdi3.S b/arch/sparc/lib/ashrdi3.S index 2848237598a..85398fd6dcc 100644 --- a/arch/sparc/lib/ashrdi3.S +++ b/arch/sparc/lib/ashrdi3.S @@ -1,4 +1,4 @@ -/* $Id: ashrdi3.S,v 1.4 1999/11/19 04:11:49 davem Exp $ +/* * ashrdi3.S: The filesystem code creates all kinds of references to * this little routine on the sparc with gcc. * diff --git a/arch/sparc/lib/blockops.S b/arch/sparc/lib/blockops.S index a7c7ffaa4a9..804be87f9a4 100644 --- a/arch/sparc/lib/blockops.S +++ b/arch/sparc/lib/blockops.S @@ -1,4 +1,4 @@ -/* $Id: blockops.S,v 1.8 1998/01/30 10:58:44 jj Exp $ +/* * blockops.S: Common block zero optimized routines. * * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) diff --git a/arch/sparc/lib/locks.S b/arch/sparc/lib/locks.S index b1df55cb221..64f53f2b673 100644 --- a/arch/sparc/lib/locks.S +++ b/arch/sparc/lib/locks.S @@ -1,4 +1,4 @@ -/* $Id: locks.S,v 1.16 2000/02/26 11:02:47 anton Exp $ +/* * locks.S: SMP low-level lock primitives on Sparc. * * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) diff --git a/arch/sparc/lib/lshrdi3.S b/arch/sparc/lib/lshrdi3.S index 35abf5b2bd1..47a1354c160 100644 --- a/arch/sparc/lib/lshrdi3.S +++ b/arch/sparc/lib/lshrdi3.S @@ -1,4 +1,3 @@ -/* $Id: lshrdi3.S,v 1.1 1999/03/21 06:37:45 davem Exp $ */ .globl __lshrdi3 __lshrdi3: diff --git a/arch/sparc/lib/memscan.S b/arch/sparc/lib/memscan.S index 28e78ff090a..4ff1657dfc2 100644 --- a/arch/sparc/lib/memscan.S +++ b/arch/sparc/lib/memscan.S @@ -1,4 +1,4 @@ -/* $Id: memscan.S,v 1.4 1996/09/08 02:01:20 davem Exp $ +/* * memscan.S: Optimized memscan for the Sparc. * * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) diff --git a/arch/sparc/lib/mul.S b/arch/sparc/lib/mul.S index da693560d87..c45470d0b0c 100644 --- a/arch/sparc/lib/mul.S +++ b/arch/sparc/lib/mul.S @@ -1,4 +1,4 @@ -/* $Id: mul.S,v 1.4 1996/09/30 02:22:32 davem Exp $ +/* * mul.S: This routine was taken from glibc-1.09 and is covered * by the GNU Library General Public License Version 2. */ diff --git a/arch/sparc/lib/rem.S b/arch/sparc/lib/rem.S index bf015a90d07..42fb8625281 100644 --- a/arch/sparc/lib/rem.S +++ b/arch/sparc/lib/rem.S @@ -1,4 +1,4 @@ -/* $Id: rem.S,v 1.7 1996/09/30 02:22:34 davem Exp $ +/* * rem.S: This routine was taken from glibc-1.09 and is covered * by the GNU Library General Public License Version 2. */ diff --git a/arch/sparc/lib/rwsem.S b/arch/sparc/lib/rwsem.S index f406b1f2279..9675268e7fd 100644 --- a/arch/sparc/lib/rwsem.S +++ b/arch/sparc/lib/rwsem.S @@ -1,4 +1,4 @@ -/* $Id: rwsem.S,v 1.5 2000/05/09 17:40:13 davem Exp $ +/* * Assembly part of rw semaphores. * * Copyright (C) 1999 Jakub Jelinek (jakub@redhat.com) diff --git a/arch/sparc/lib/sdiv.S b/arch/sparc/lib/sdiv.S index af9451629d0..f0a0d4e4db7 100644 --- a/arch/sparc/lib/sdiv.S +++ b/arch/sparc/lib/sdiv.S @@ -1,4 +1,4 @@ -/* $Id: sdiv.S,v 1.6 1996/10/02 17:37:00 davem Exp $ +/* * sdiv.S: This routine was taken from glibc-1.09 and is covered * by the GNU Library General Public License Version 2. */ diff --git a/arch/sparc/lib/strncmp.S b/arch/sparc/lib/strncmp.S index 615626805d4..494ec664537 100644 --- a/arch/sparc/lib/strncmp.S +++ b/arch/sparc/lib/strncmp.S @@ -1,4 +1,4 @@ -/* $Id: strncmp.S,v 1.2 1996/09/09 02:47:20 davem Exp $ +/* * strncmp.S: Hand optimized Sparc assembly of GCC output from GNU libc * generic strncmp routine. */ diff --git a/arch/sparc/lib/udiv.S b/arch/sparc/lib/udiv.S index 169e01da671..2101405bdfc 100644 --- a/arch/sparc/lib/udiv.S +++ b/arch/sparc/lib/udiv.S @@ -1,4 +1,4 @@ -/* $Id: udiv.S,v 1.4 1996/09/30 02:22:38 davem Exp $ +/* * udiv.S: This routine was taken from glibc-1.09 and is covered * by the GNU Library General Public License Version 2. */ diff --git a/arch/sparc/lib/umul.S b/arch/sparc/lib/umul.S index f0e5b20a253..1f36ae68252 100644 --- a/arch/sparc/lib/umul.S +++ b/arch/sparc/lib/umul.S @@ -1,4 +1,4 @@ -/* $Id: umul.S,v 1.4 1996/09/30 02:22:39 davem Exp $ +/* * umul.S: This routine was taken from glibc-1.09 and is covered * by the GNU Library General Public License Version 2. */ diff --git a/arch/sparc/lib/urem.S b/arch/sparc/lib/urem.S index 6b92bdc8b04..77123eb83c4 100644 --- a/arch/sparc/lib/urem.S +++ b/arch/sparc/lib/urem.S @@ -1,4 +1,4 @@ -/* $Id: urem.S,v 1.4 1996/09/30 02:22:42 davem Exp $ +/* * urem.S: This routine was taken from glibc-1.09 and is covered * by the GNU Library General Public License Version 2. */ diff --git a/arch/sparc/math-emu/ashldi3.S b/arch/sparc/math-emu/ashldi3.S index eab1d097296..7230ff5c7aa 100644 --- a/arch/sparc/math-emu/ashldi3.S +++ b/arch/sparc/math-emu/ashldi3.S @@ -1,4 +1,4 @@ -/* $Id: ashldi3.S,v 1.1 1998/04/06 16:09:28 jj Exp $ +/* * ashldi3.S: Math-emu code creates all kinds of references to * this little routine on the sparc with gcc. * diff --git a/arch/sparc/mm/Makefile b/arch/sparc/mm/Makefile index 16eeba4b991..109c8b22cb3 100644 --- a/arch/sparc/mm/Makefile +++ b/arch/sparc/mm/Makefile @@ -1,4 +1,3 @@ -# $Id: Makefile,v 1.38 2000/12/15 00:41:22 davem Exp $ # Makefile for the linux Sparc-specific parts of the memory manager. # diff --git a/arch/sparc/mm/fault.c b/arch/sparc/mm/fault.c index e4d9c8e19df..0a3cd8f6cfe 100644 --- a/arch/sparc/mm/fault.c +++ b/arch/sparc/mm/fault.c @@ -1,4 +1,4 @@ -/* $Id: fault.c,v 1.122 2001/11/17 07:19:26 davem Exp $ +/* * fault.c: Page fault handlers for the Sparc. * * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) @@ -47,64 +47,15 @@ int vac_size, vac_linesize, vac_do_hw_vac_flushes; int vac_entries_per_context, vac_entries_per_segment; int vac_entries_per_page; -/* Nice, simple, prom library does all the sweating for us. ;) */ -int prom_probe_memory (void) -{ - register struct linux_mlist_v0 *mlist; - register unsigned long bytes, base_paddr, tally; - register int i; - - i = 0; - mlist= *prom_meminfo()->v0_available; - bytes = tally = mlist->num_bytes; - base_paddr = (unsigned long) mlist->start_adr; - - sp_banks[0].base_addr = base_paddr; - sp_banks[0].num_bytes = bytes; - - while (mlist->theres_more != (void *) 0){ - i++; - mlist = mlist->theres_more; - bytes = mlist->num_bytes; - tally += bytes; - if (i > SPARC_PHYS_BANKS-1) { - printk ("The machine has more banks than " - "this kernel can support\n" - "Increase the SPARC_PHYS_BANKS " - "setting (currently %d)\n", - SPARC_PHYS_BANKS); - i = SPARC_PHYS_BANKS-1; - break; - } - - sp_banks[i].base_addr = (unsigned long) mlist->start_adr; - sp_banks[i].num_bytes = mlist->num_bytes; - } - - i++; - sp_banks[i].base_addr = 0xdeadbeef; - sp_banks[i].num_bytes = 0; - - /* Now mask all bank sizes on a page boundary, it is all we can - * use anyways. - */ - for(i=0; sp_banks[i].num_bytes != 0; i++) - sp_banks[i].num_bytes &= PAGE_MASK; - - return tally; -} - -/* Traverse the memory lists in the prom to see how much physical we - * have. - */ -unsigned long -probe_memory(void) +/* Return how much physical memory we have. */ +unsigned long probe_memory(void) { - int total; + unsigned long total = 0; + int i; - total = prom_probe_memory(); + for (i = 0; sp_banks[i].num_bytes; i++) + total += sp_banks[i].num_bytes; - /* Oh man, much nicer, keep the dirt in promlib. */ return total; } diff --git a/arch/sparc/mm/generic.c b/arch/sparc/mm/generic.c index 1ef7fa03fef..a289261da9f 100644 --- a/arch/sparc/mm/generic.c +++ b/arch/sparc/mm/generic.c @@ -1,4 +1,4 @@ -/* $Id: generic.c,v 1.14 2001/12/21 04:56:15 davem Exp $ +/* * generic.c: Generic Sparc mm routines that are not dependent upon * MMU type but are Sparc specific. * diff --git a/arch/sparc/mm/hypersparc.S b/arch/sparc/mm/hypersparc.S index d29cc24c5bb..44aad32eeb4 100644 --- a/arch/sparc/mm/hypersparc.S +++ b/arch/sparc/mm/hypersparc.S @@ -1,4 +1,4 @@ -/* $Id: hypersparc.S,v 1.18 2001/12/21 04:56:15 davem Exp $ +/* * hypersparc.S: High speed Hypersparc mmu/cache operations. * * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu) diff --git a/arch/sparc/mm/init.c b/arch/sparc/mm/init.c index b89837accc8..7794ecb896e 100644 --- a/arch/sparc/mm/init.c +++ b/arch/sparc/mm/init.c @@ -1,4 +1,4 @@ -/* $Id: init.c,v 1.103 2001/11/19 19:03:08 davem Exp $ +/* * linux/arch/sparc/mm/init.c * * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) diff --git a/arch/sparc/mm/io-unit.c b/arch/sparc/mm/io-unit.c index b86dfce8eee..f167835db3d 100644 --- a/arch/sparc/mm/io-unit.c +++ b/arch/sparc/mm/io-unit.c @@ -1,4 +1,4 @@ -/* $Id: io-unit.c,v 1.24 2001/12/17 07:05:09 davem Exp $ +/* * io-unit.c: IO-UNIT specific routines for memory management. * * Copyright (C) 1997,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz) diff --git a/arch/sparc/mm/loadmmu.c b/arch/sparc/mm/loadmmu.c index 2d9cd65160a..652be05acbe 100644 --- a/arch/sparc/mm/loadmmu.c +++ b/arch/sparc/mm/loadmmu.c @@ -1,4 +1,4 @@ -/* $Id: loadmmu.c,v 1.56 2000/02/08 20:24:21 davem Exp $ +/* * loadmmu.c: This code loads up all the mm function pointers once the * machine type has been determined. It also sets the static * mmu values such as PAGE_NONE, etc. diff --git a/arch/sparc/mm/nosrmmu.c b/arch/sparc/mm/nosrmmu.c index 9e215659697..3701f70fc30 100644 --- a/arch/sparc/mm/nosrmmu.c +++ b/arch/sparc/mm/nosrmmu.c @@ -1,4 +1,4 @@ -/* $Id: nosrmmu.c,v 1.5 1999/11/19 04:11:54 davem Exp $ +/* * nosrmmu.c: This file is a bunch of dummies for sun4 compiles, * so that it does not need srmmu and avoid ifdefs. * diff --git a/arch/sparc/mm/nosun4c.c b/arch/sparc/mm/nosun4c.c index ea2e2105341..196263f895b 100644 --- a/arch/sparc/mm/nosun4c.c +++ b/arch/sparc/mm/nosun4c.c @@ -1,4 +1,4 @@ -/* $Id: nosun4c.c,v 1.3 2000/02/14 04:52:36 jj Exp $ +/* * nosun4c.c: This file is a bunch of dummies for SMP compiles, * so that it does not need sun4c and avoid ifdefs. * diff --git a/arch/sparc/mm/swift.S b/arch/sparc/mm/swift.S index 9f4cd396a0f..c801c3953a0 100644 --- a/arch/sparc/mm/swift.S +++ b/arch/sparc/mm/swift.S @@ -1,4 +1,4 @@ -/* $Id: swift.S,v 1.9 2002/01/08 11:11:59 davem Exp $ +/* * swift.S: MicroSparc-II mmu/cache operations. * * Copyright (C) 1999 David S. Miller (davem@redhat.com) diff --git a/arch/sparc/mm/tsunami.S b/arch/sparc/mm/tsunami.S index 4988e6a310b..db0d6de33a8 100644 --- a/arch/sparc/mm/tsunami.S +++ b/arch/sparc/mm/tsunami.S @@ -1,4 +1,4 @@ -/* $Id: tsunami.S,v 1.7 2001/12/21 04:56:15 davem Exp $ +/* * tsunami.S: High speed MicroSparc-I mmu/cache operations. * * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu) diff --git a/arch/sparc/mm/viking.S b/arch/sparc/mm/viking.S index 754c622548a..6dfcc13d310 100644 --- a/arch/sparc/mm/viking.S +++ b/arch/sparc/mm/viking.S @@ -1,4 +1,4 @@ -/* $Id: viking.S,v 1.19 2001/12/21 04:56:15 davem Exp $ +/* * viking.S: High speed Viking cache/mmu operations * * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be) diff --git a/arch/sparc/prom/Makefile b/arch/sparc/prom/Makefile index 2b217ee4070..7f5eacfcfbc 100644 --- a/arch/sparc/prom/Makefile +++ b/arch/sparc/prom/Makefile @@ -1,4 +1,3 @@ -# $Id: Makefile,v 1.8 2000/12/15 00:41:22 davem Exp $ # Makefile for the Sun Boot PROM interface library under # Linux. # diff --git a/arch/sparc/prom/bootstr.c b/arch/sparc/prom/bootstr.c index cfdeac2788d..5a35c768ff7 100644 --- a/arch/sparc/prom/bootstr.c +++ b/arch/sparc/prom/bootstr.c @@ -1,4 +1,4 @@ -/* $Id: bootstr.c,v 1.20 2000/02/08 20:24:23 davem Exp $ +/* * bootstr.c: Boot string/argument acquisition from the PROM. * * Copyright(C) 1995 David S. Miller (davem@caip.rutgers.edu) diff --git a/arch/sparc/prom/console.c b/arch/sparc/prom/console.c index 2a007a78441..790057a3461 100644 --- a/arch/sparc/prom/console.c +++ b/arch/sparc/prom/console.c @@ -1,4 +1,4 @@ -/* $Id: console.c,v 1.25 2001/10/30 04:54:22 davem Exp $ +/* * console.c: Routines that deal with sending and receiving IO * to/from the current console device using the PROM. * diff --git a/arch/sparc/prom/devmap.c b/arch/sparc/prom/devmap.c index eb12073578a..1e517915b0d 100644 --- a/arch/sparc/prom/devmap.c +++ b/arch/sparc/prom/devmap.c @@ -1,4 +1,4 @@ -/* $Id: devmap.c,v 1.7 2000/08/26 02:38:03 anton Exp $ +/* * promdevmap.c: Map device/IO areas to virtual addresses. * * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) diff --git a/arch/sparc/prom/devops.c b/arch/sparc/prom/devops.c index 61919b54f6c..9f1a95c91ad 100644 --- a/arch/sparc/prom/devops.c +++ b/arch/sparc/prom/devops.c @@ -1,4 +1,4 @@ -/* $Id: devops.c,v 1.13 2000/08/26 02:38:03 anton Exp $ +/* * devops.c: Device operations using the PROM. * * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) diff --git a/arch/sparc/prom/init.c b/arch/sparc/prom/init.c index 50abfb1b880..729f8706694 100644 --- a/arch/sparc/prom/init.c +++ b/arch/sparc/prom/init.c @@ -1,4 +1,4 @@ -/* $Id: init.c,v 1.14 2000/01/29 01:09:12 anton Exp $ +/* * init.c: Initialize internal variables used by the PROM * library functions. * @@ -21,8 +21,6 @@ linux_sun4_romvec *sun4_romvec; /* The root node of the prom device tree. */ int prom_root_node; -int prom_stdin, prom_stdout; - /* Pointer to the device tree operations structure. */ struct linux_nodeops *prom_nodeops; @@ -74,11 +72,6 @@ void __init prom_init(struct linux_romvec *rp) (((unsigned long) prom_nodeops) == -1)) prom_halt(); - if(prom_vers == PROM_V2 || prom_vers == PROM_V3) { - prom_stdout = *romvec->pv_v2bootargs.fd_stdout; - prom_stdin = *romvec->pv_v2bootargs.fd_stdin; - } - prom_meminit(); prom_ranges_init(); diff --git a/arch/sparc/prom/memory.c b/arch/sparc/prom/memory.c index b0c0f9c4fc1..947f047dc95 100644 --- a/arch/sparc/prom/memory.c +++ b/arch/sparc/prom/memory.c @@ -1,215 +1,100 @@ -/* $Id: memory.c,v 1.15 2000/01/29 01:09:12 anton Exp $ - * memory.c: Prom routine for acquiring various bits of information +/* memory.c: Prom routine for acquiring various bits of information * about RAM on the machine, both virtual and physical. * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) + * Copyright (C) 1995, 2008 David S. Miller (davem@davemloft.net) * Copyright (C) 1997 Michael A. Griffith (grif@acm.org) */ #include <linux/kernel.h> +#include <linux/sort.h> #include <linux/init.h> #include <asm/openprom.h> #include <asm/sun4prom.h> #include <asm/oplib.h> +#include <asm/page.h> -/* This routine, for consistency, returns the ram parameters in the - * V0 prom memory descriptor format. I choose this format because I - * think it was the easiest to work with. I feel the religious - * arguments now... ;) Also, I return the linked lists sorted to - * prevent paging_init() upset stomach as I have not yet written - * the pepto-bismol kernel module yet. - */ +static int __init prom_meminit_v0(void) +{ + struct linux_mlist_v0 *p; + int index; + + index = 0; + for (p = *(romvec->pv_v0mem.v0_available); p; p = p->theres_more) { + sp_banks[index].base_addr = (unsigned long) p->start_adr; + sp_banks[index].num_bytes = p->num_bytes; + index++; + } -struct linux_prom_registers prom_reg_memlist[64]; -struct linux_prom_registers prom_reg_tmp[64]; + return index; +} -struct linux_mlist_v0 prom_phys_total[64]; -struct linux_mlist_v0 prom_prom_taken[64]; -struct linux_mlist_v0 prom_phys_avail[64]; +static int __init prom_meminit_v2(void) +{ + struct linux_prom_registers reg[64]; + int node, size, num_ents, i; -struct linux_mlist_v0 *prom_ptot_ptr = prom_phys_total; -struct linux_mlist_v0 *prom_ptak_ptr = prom_prom_taken; -struct linux_mlist_v0 *prom_pavl_ptr = prom_phys_avail; + node = prom_searchsiblings(prom_getchild(prom_root_node), "memory"); + size = prom_getproperty(node, "available", (char *) reg, sizeof(reg)); + num_ents = size / sizeof(struct linux_prom_registers); -struct linux_mem_v0 prom_memlist; + for (i = 0; i < num_ents; i++) { + sp_banks[i].base_addr = reg[i].phys_addr; + sp_banks[i].num_bytes = reg[i].reg_size; + } + return num_ents; +} -/* Internal Prom library routine to sort a linux_mlist_v0 memory - * list. Used below in initialization. - */ -static void __init -prom_sortmemlist(struct linux_mlist_v0 *thislist) +static int __init prom_meminit_sun4(void) { - int swapi = 0; - int i, mitr, tmpsize; - char *tmpaddr; - char *lowest; - - for(i=0; thislist[i].theres_more; i++) { - lowest = thislist[i].start_adr; - for(mitr = i+1; thislist[mitr-1].theres_more; mitr++) - if(thislist[mitr].start_adr < lowest) { - lowest = thislist[mitr].start_adr; - swapi = mitr; - } - if(lowest == thislist[i].start_adr) continue; - tmpaddr = thislist[swapi].start_adr; - tmpsize = thislist[swapi].num_bytes; - for(mitr = swapi; mitr > i; mitr--) { - thislist[mitr].start_adr = thislist[mitr-1].start_adr; - thislist[mitr].num_bytes = thislist[mitr-1].num_bytes; - } - thislist[i].start_adr = tmpaddr; - thislist[i].num_bytes = tmpsize; - } +#ifdef CONFIG_SUN4 + sp_banks[0].base_addr = 0; + sp_banks[0].num_bytes = *(sun4_romvec->memoryavail); +#endif + return 1; +} + +static int sp_banks_cmp(const void *a, const void *b) +{ + const struct sparc_phys_banks *x = a, *y = b; - return; + if (x->base_addr > y->base_addr) + return 1; + if (x->base_addr < y->base_addr) + return -1; + return 0; } /* Initialize the memory lists based upon the prom version. */ void __init prom_meminit(void) { - int node = 0; - unsigned int iter, num_regs; - struct linux_mlist_v0 *mptr; /* ptr for traversal */ + int i, num_ents = 0; - switch(prom_vers) { + switch (prom_vers) { case PROM_V0: - /* Nice, kind of easier to do in this case. */ - /* First, the total physical descriptors. */ - for(mptr = (*(romvec->pv_v0mem.v0_totphys)), iter=0; - mptr; mptr=mptr->theres_more, iter++) { - prom_phys_total[iter].start_adr = mptr->start_adr; - prom_phys_total[iter].num_bytes = mptr->num_bytes; - prom_phys_total[iter].theres_more = &prom_phys_total[iter+1]; - } - prom_phys_total[iter-1].theres_more = NULL; - /* Second, the total prom taken descriptors. */ - for(mptr = (*(romvec->pv_v0mem.v0_prommap)), iter=0; - mptr; mptr=mptr->theres_more, iter++) { - prom_prom_taken[iter].start_adr = mptr->start_adr; - prom_prom_taken[iter].num_bytes = mptr->num_bytes; - prom_prom_taken[iter].theres_more = &prom_prom_taken[iter+1]; - } - prom_prom_taken[iter-1].theres_more = NULL; - /* Last, the available physical descriptors. */ - for(mptr = (*(romvec->pv_v0mem.v0_available)), iter=0; - mptr; mptr=mptr->theres_more, iter++) { - prom_phys_avail[iter].start_adr = mptr->start_adr; - prom_phys_avail[iter].num_bytes = mptr->num_bytes; - prom_phys_avail[iter].theres_more = &prom_phys_avail[iter+1]; - } - prom_phys_avail[iter-1].theres_more = NULL; - /* Sort all the lists. */ - prom_sortmemlist(prom_phys_total); - prom_sortmemlist(prom_prom_taken); - prom_sortmemlist(prom_phys_avail); + num_ents = prom_meminit_v0(); break; + case PROM_V2: case PROM_V3: - /* Grrr, have to traverse the prom device tree ;( */ - node = prom_getchild(prom_root_node); - node = prom_searchsiblings(node, "memory"); - num_regs = prom_getproperty(node, "available", - (char *) prom_reg_memlist, - sizeof(prom_reg_memlist)); - num_regs = (num_regs/sizeof(struct linux_prom_registers)); - for(iter=0; iter<num_regs; iter++) { - prom_phys_avail[iter].start_adr = - (char *) prom_reg_memlist[iter].phys_addr; - prom_phys_avail[iter].num_bytes = - (unsigned long) prom_reg_memlist[iter].reg_size; - prom_phys_avail[iter].theres_more = - &prom_phys_avail[iter+1]; - } - prom_phys_avail[iter-1].theres_more = NULL; - - num_regs = prom_getproperty(node, "reg", - (char *) prom_reg_memlist, - sizeof(prom_reg_memlist)); - num_regs = (num_regs/sizeof(struct linux_prom_registers)); - for(iter=0; iter<num_regs; iter++) { - prom_phys_total[iter].start_adr = - (char *) prom_reg_memlist[iter].phys_addr; - prom_phys_total[iter].num_bytes = - (unsigned long) prom_reg_memlist[iter].reg_size; - prom_phys_total[iter].theres_more = - &prom_phys_total[iter+1]; - } - prom_phys_total[iter-1].theres_more = NULL; - - node = prom_getchild(prom_root_node); - node = prom_searchsiblings(node, "virtual-memory"); - num_regs = prom_getproperty(node, "available", - (char *) prom_reg_memlist, - sizeof(prom_reg_memlist)); - num_regs = (num_regs/sizeof(struct linux_prom_registers)); - - /* Convert available virtual areas to taken virtual - * areas. First sort, then convert. - */ - for(iter=0; iter<num_regs; iter++) { - prom_prom_taken[iter].start_adr = - (char *) prom_reg_memlist[iter].phys_addr; - prom_prom_taken[iter].num_bytes = - (unsigned long) prom_reg_memlist[iter].reg_size; - prom_prom_taken[iter].theres_more = - &prom_prom_taken[iter+1]; - } - prom_prom_taken[iter-1].theres_more = NULL; - - prom_sortmemlist(prom_prom_taken); - - /* Finally, convert. */ - for(iter=0; iter<num_regs; iter++) { - prom_prom_taken[iter].start_adr = - prom_prom_taken[iter].start_adr + - prom_prom_taken[iter].num_bytes; - prom_prom_taken[iter].num_bytes = - prom_prom_taken[iter+1].start_adr - - prom_prom_taken[iter].start_adr; - } - prom_prom_taken[iter-1].num_bytes = - 0xffffffff - (unsigned long) prom_prom_taken[iter-1].start_adr; - - /* Sort the other two lists. */ - prom_sortmemlist(prom_phys_total); - prom_sortmemlist(prom_phys_avail); + num_ents = prom_meminit_v2(); break; case PROM_SUN4: -#ifdef CONFIG_SUN4 - /* how simple :) */ - prom_phys_total[0].start_adr = NULL; - prom_phys_total[0].num_bytes = *(sun4_romvec->memorysize); - prom_phys_total[0].theres_more = NULL; - prom_prom_taken[0].start_adr = NULL; - prom_prom_taken[0].num_bytes = 0x0; - prom_prom_taken[0].theres_more = NULL; - prom_phys_avail[0].start_adr = NULL; - prom_phys_avail[0].num_bytes = *(sun4_romvec->memoryavail); - prom_phys_avail[0].theres_more = NULL; -#endif + num_ents = prom_meminit_sun4(); break; default: break; - }; - - /* Link all the lists into the top-level descriptor. */ - prom_memlist.v0_totphys=&prom_ptot_ptr; - prom_memlist.v0_prommap=&prom_ptak_ptr; - prom_memlist.v0_available=&prom_pavl_ptr; + } + sort(sp_banks, num_ents, sizeof(struct sparc_phys_banks), + sp_banks_cmp, NULL); - return; -} + /* Sentinel. */ + sp_banks[num_ents].base_addr = 0xdeadbeef; + sp_banks[num_ents].num_bytes = 0; -/* This returns a pointer to our libraries internal v0 format - * memory descriptor. - */ -struct linux_mem_v0 * -prom_meminfo(void) -{ - return &prom_memlist; + for (i = 0; i < num_ents; i++) + sp_banks[i].num_bytes &= PAGE_MASK; } diff --git a/arch/sparc/prom/misc.c b/arch/sparc/prom/misc.c index d9fb3af41c1..49b5057b960 100644 --- a/arch/sparc/prom/misc.c +++ b/arch/sparc/prom/misc.c @@ -1,4 +1,4 @@ -/* $Id: misc.c,v 1.18 2000/08/26 02:38:03 anton Exp $ +/* * misc.c: Miscellaneous prom functions that don't belong * anywhere else. * diff --git a/arch/sparc/prom/mp.c b/arch/sparc/prom/mp.c index 92fe3739fdb..4c4dc79f65a 100644 --- a/arch/sparc/prom/mp.c +++ b/arch/sparc/prom/mp.c @@ -1,4 +1,4 @@ -/* $Id: mp.c,v 1.12 2000/08/26 02:38:03 anton Exp $ +/* * mp.c: OpenBoot Prom Multiprocessor support routines. Don't call * these on a UP or else you will halt and catch fire. ;) * diff --git a/arch/sparc/prom/palloc.c b/arch/sparc/prom/palloc.c index 84ce8bc5447..20be339cc2c 100644 --- a/arch/sparc/prom/palloc.c +++ b/arch/sparc/prom/palloc.c @@ -1,4 +1,4 @@ -/* $Id: palloc.c,v 1.4 1996/04/25 06:09:48 davem Exp $ +/* * palloc.c: Memory allocation from the Sun PROM. * * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) diff --git a/arch/sparc/prom/ranges.c b/arch/sparc/prom/ranges.c index a2920323c90..f9b7def35f6 100644 --- a/arch/sparc/prom/ranges.c +++ b/arch/sparc/prom/ranges.c @@ -1,4 +1,4 @@ -/* $Id: ranges.c,v 1.15 2001/12/19 00:29:51 davem Exp $ +/* * ranges.c: Handle ranges in newer proms for obio/sbus. * * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) diff --git a/arch/sparc/prom/segment.c b/arch/sparc/prom/segment.c index 09d6460165a..04fd03a7f92 100644 --- a/arch/sparc/prom/segment.c +++ b/arch/sparc/prom/segment.c @@ -1,4 +1,4 @@ -/* $Id: segment.c,v 1.7 2000/08/26 02:38:03 anton Exp $ +/* * segment.c: Prom routine to map segments in other contexts before * a standalone is completely mapped. This is for sun4 and * sun4c architectures only. diff --git a/arch/sparc/prom/tree.c b/arch/sparc/prom/tree.c index 5ec246573a9..f228fe057b2 100644 --- a/arch/sparc/prom/tree.c +++ b/arch/sparc/prom/tree.c @@ -1,4 +1,4 @@ -/* $Id: tree.c,v 1.26 2000/08/26 02:38:03 anton Exp $ +/* * tree.c: Basic device tree traversal/scanning for the Linux * prom library. * |