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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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[PATCH] CRIS update: updates for 2.6.12
Patches to make CRIS work with 2.6.12. Signed-off-by: Mikael Starvik <starvik@axis.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Mikael Starvik
Linus Torvalds
parent
dcf1310b72
commit
5d01e6ce78
@ -11,6 +11,7 @@
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#include <linux/ptrace.h>
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#include <linux/user.h>
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#include <linux/signal.h>
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#include <linux/security.h>
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#include <asm/uaccess.h>
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#include <asm/page.h>
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@ -86,9 +87,13 @@ sys_ptrace(long request, long pid, long addr, long data)
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ret = -EPERM;
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if (request == PTRACE_TRACEME) {
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/* are we already being traced? */
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if (current->ptrace & PT_PTRACED)
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goto out;
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ret = security_ptrace(current->parent, current);
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if (ret)
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goto out;
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/* set the ptrace bit in the process flags. */
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current->ptrace |= PT_PTRACED;
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ret = 0;
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goto out;
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@ -207,7 +212,7 @@ sys_ptrace(long request, long pid, long addr, long data)
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case PTRACE_KILL:
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ret = 0;
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if (child->state == TASK_ZOMBIE)
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if (child->exit_state == EXIT_ZOMBIE)
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break;
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child->exit_code = SIGKILL;
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@ -32,7 +32,7 @@ void *module_alloc(unsigned long size)
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{
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if (size == 0)
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return NULL;
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return vmalloc(size);
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return vmalloc_exec(size);
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}
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@ -59,26 +59,8 @@ int apply_relocate(Elf32_Shdr *sechdrs,
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unsigned int relsec,
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struct module *me)
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{
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unsigned int i;
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Elf32_Rel *rel = (void *)sechdrs[relsec].sh_addr;
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Elf32_Sym *sym;
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uint32_t *location;
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DEBUGP("Applying relocate section %u to %u\n", relsec,
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sechdrs[relsec].sh_info);
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for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) {
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/* This is where to make the change */
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location = (void *)sechdrs[sechdrs[relsec].sh_info].sh_offset
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+ rel[i].r_offset;
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/* This is the symbol it is referring to. Note that all
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undefined symbols have been resolved. */
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sym = (Elf32_Sym *)sechdrs[symindex].sh_addr
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+ ELF32_R_SYM(rel[i].r_info);
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/* We add the value into the location given */
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*location += sym->st_value;
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}
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return 0;
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printk(KERN_ERR "module %s: REL relocation unsupported\n", me->name);
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return -ENOEXEC;
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}
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int apply_relocate_add(Elf32_Shdr *sechdrs,
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@ -90,7 +72,7 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
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unsigned int i;
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Elf32_Rela *rela = (void *)sechdrs[relsec].sh_addr;
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DEBUGP ("Applying relocate section %u to %u\n", relsec,
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DEBUGP ("Applying add relocate section %u to %u\n", relsec,
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sechdrs[relsec].sh_info);
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for (i = 0; i < sechdrs[relsec].sh_size / sizeof (*rela); i++) {
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@ -103,7 +85,18 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
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Elf32_Sym *sym
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= ((Elf32_Sym *)sechdrs[symindex].sh_addr
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+ ELF32_R_SYM (rela[i].r_info));
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*loc = sym->st_value + rela[i].r_addend;
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switch (ELF32_R_TYPE(rela[i].r_info)) {
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case R_CRIS_32:
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*loc = sym->st_value + rela[i].r_addend;
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break;
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case R_CRIS_32_PCREL:
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*loc = sym->st_value - (unsigned)loc + rela[i].r_addend - 4;
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break;
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default:
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printk(KERN_ERR "module %s: Unknown relocation: %u\n",
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me->name, ELF32_R_TYPE(rela[i].r_info));
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return -ENOEXEC;
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}
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}
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return 0;
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@ -1,4 +1,4 @@
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/* $Id: process.c,v 1.17 2004/04/05 13:53:48 starvik Exp $
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/* $Id: process.c,v 1.21 2005/03/04 08:16:17 starvik Exp $
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*
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* linux/arch/cris/kernel/process.c
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*
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@ -8,6 +8,18 @@
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* Authors: Bjorn Wesen (bjornw@axis.com)
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*
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* $Log: process.c,v $
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* Revision 1.21 2005/03/04 08:16:17 starvik
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* Merge of Linux 2.6.11.
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*
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* Revision 1.20 2005/01/18 05:57:22 starvik
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* Renamed hlt_counter to cris_hlt_counter and made it global.
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*
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* Revision 1.19 2004/10/19 13:07:43 starvik
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* Merge of Linux 2.6.9
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*
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* Revision 1.18 2004/08/16 12:37:23 starvik
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* Merge of Linux 2.6.8
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*
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* Revision 1.17 2004/04/05 13:53:48 starvik
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* Merge of Linux 2.6.5
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*
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@ -161,18 +173,18 @@ EXPORT_SYMBOL(init_task);
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* region by enable_hlt/disable_hlt.
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*/
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static int hlt_counter=0;
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int cris_hlt_counter=0;
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void disable_hlt(void)
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{
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hlt_counter++;
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cris_hlt_counter++;
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}
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EXPORT_SYMBOL(disable_hlt);
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void enable_hlt(void)
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{
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hlt_counter--;
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cris_hlt_counter--;
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}
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EXPORT_SYMBOL(enable_hlt);
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@ -195,16 +207,19 @@ void cpu_idle (void)
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/* endless idle loop with no priority at all */
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while (1) {
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while (!need_resched()) {
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void (*idle)(void) = pm_idle;
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void (*idle)(void);
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/*
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* Mark this as an RCU critical section so that
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* synchronize_kernel() in the unload path waits
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* for our completion.
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*/
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idle = pm_idle;
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if (!idle)
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idle = default_idle;
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idle();
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}
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schedule();
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}
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}
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void hard_reset_now (void);
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@ -51,7 +51,7 @@ extern inline unsigned long ffz(unsigned long w)
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*
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* Undefined if no bit exists, so code should check against 0 first.
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*/
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extern __inline__ unsigned long __ffs(unsigned long word)
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extern inline unsigned long __ffs(unsigned long word)
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{
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return cris_swapnwbrlz(~word);
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}
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@ -25,7 +25,7 @@
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#define THREAD_usp 4 /* offsetof(struct thread_struct, usp) */
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#define THREAD_dccr 8 /* offsetof(struct thread_struct, dccr) */
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#define TASK_pid 133 /* offsetof(struct task_struct, pid) */
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#define TASK_pid 141 /* offsetof(struct task_struct, pid) */
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#define LCLONE_VM 256 /* CLONE_VM */
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#define LCLONE_UNTRACED 8388608 /* CLONE_UNTRACED */
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@ -16,6 +16,7 @@
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#include <asm/arch/bitops.h>
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#include <asm/system.h>
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#include <asm/atomic.h>
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#include <linux/compiler.h>
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/*
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@ -88,7 +89,7 @@ struct __dummy { unsigned long a[100]; };
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* It also implies a memory barrier.
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*/
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extern inline int test_and_set_bit(int nr, void *addr)
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extern inline int test_and_set_bit(int nr, volatile unsigned long *addr)
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{
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unsigned int mask, retval;
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unsigned long flags;
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@ -96,15 +97,15 @@ extern inline int test_and_set_bit(int nr, void *addr)
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adr += nr >> 5;
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mask = 1 << (nr & 0x1f);
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local_save_flags(flags);
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local_irq_disable();
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cris_atomic_save(addr, flags);
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retval = (mask & *adr) != 0;
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*adr |= mask;
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cris_atomic_restore(addr, flags);
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local_irq_restore(flags);
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return retval;
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}
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extern inline int __test_and_set_bit(int nr, void *addr)
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extern inline int __test_and_set_bit(int nr, volatile unsigned long *addr)
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{
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unsigned int mask, retval;
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unsigned int *adr = (unsigned int *)addr;
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@ -131,7 +132,7 @@ extern inline int __test_and_set_bit(int nr, void *addr)
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* It also implies a memory barrier.
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*/
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extern inline int test_and_clear_bit(int nr, void *addr)
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extern inline int test_and_clear_bit(int nr, volatile unsigned long *addr)
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{
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unsigned int mask, retval;
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unsigned long flags;
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@ -139,11 +140,10 @@ extern inline int test_and_clear_bit(int nr, void *addr)
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adr += nr >> 5;
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mask = 1 << (nr & 0x1f);
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local_save_flags(flags);
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local_irq_disable();
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cris_atomic_save(addr, flags);
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retval = (mask & *adr) != 0;
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*adr &= ~mask;
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local_irq_restore(flags);
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cris_atomic_restore(addr, flags);
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return retval;
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}
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@ -157,7 +157,7 @@ extern inline int test_and_clear_bit(int nr, void *addr)
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* but actually fail. You must protect multiple accesses with a lock.
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*/
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extern inline int __test_and_clear_bit(int nr, void *addr)
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extern inline int __test_and_clear_bit(int nr, volatile unsigned long *addr)
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{
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unsigned int mask, retval;
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unsigned int *adr = (unsigned int *)addr;
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@ -177,24 +177,23 @@ extern inline int __test_and_clear_bit(int nr, void *addr)
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* It also implies a memory barrier.
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*/
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extern inline int test_and_change_bit(int nr, void *addr)
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extern inline int test_and_change_bit(int nr, volatile unsigned long *addr)
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{
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unsigned int mask, retval;
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unsigned long flags;
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unsigned int *adr = (unsigned int *)addr;
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adr += nr >> 5;
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mask = 1 << (nr & 0x1f);
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local_save_flags(flags);
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local_irq_disable();
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cris_atomic_save(addr, flags);
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retval = (mask & *adr) != 0;
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*adr ^= mask;
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local_irq_restore(flags);
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cris_atomic_restore(addr, flags);
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return retval;
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}
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/* WARNING: non atomic and it can be reordered! */
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extern inline int __test_and_change_bit(int nr, void *addr)
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extern inline int __test_and_change_bit(int nr, volatile unsigned long *addr)
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{
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unsigned int mask, retval;
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unsigned int *adr = (unsigned int *)addr;
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@ -215,7 +214,7 @@ extern inline int __test_and_change_bit(int nr, void *addr)
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* This routine doesn't need to be atomic.
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*/
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extern inline int test_bit(int nr, const void *addr)
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extern inline int test_bit(int nr, const volatile unsigned long *addr)
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{
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unsigned int mask;
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unsigned int *adr = (unsigned int *)addr;
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@ -259,7 +258,7 @@ extern inline int test_bit(int nr, const void *addr)
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* @offset: The bitnumber to start searching at
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* @size: The maximum size to search
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*/
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extern inline int find_next_zero_bit (void * addr, int size, int offset)
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extern inline int find_next_zero_bit (const unsigned long * addr, int size, int offset)
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{
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unsigned long *p = ((unsigned long *) addr) + (offset >> 5);
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unsigned long result = offset & ~31UL;
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@ -301,7 +300,7 @@ extern inline int find_next_zero_bit (void * addr, int size, int offset)
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* @offset: The bitnumber to start searching at
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* @size: The maximum size to search
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*/
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static __inline__ int find_next_bit(void *addr, int size, int offset)
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static __inline__ int find_next_bit(const unsigned long *addr, int size, int offset)
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{
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unsigned long *p = ((unsigned long *) addr) + (offset >> 5);
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unsigned long result = offset & ~31UL;
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@ -367,7 +366,7 @@ static __inline__ int find_next_bit(void *addr, int size, int offset)
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#define minix_test_bit(nr,addr) test_bit(nr,addr)
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#define minix_find_first_zero_bit(addr,size) find_first_zero_bit(addr,size)
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extern inline int sched_find_first_bit(unsigned long *b)
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extern inline int sched_find_first_bit(const unsigned long *b)
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{
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if (unlikely(b[0]))
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return __ffs(b[0]);
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@ -17,8 +17,8 @@ enum km_type {
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KM_PTE1,
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KM_IRQ0,
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KM_IRQ1,
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KM_CRYPTO_USER,
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KM_CRYPTO_SOFTIRQ,
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KM_SOFTIRQ0,
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KM_SOFTIRQ1,
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KM_TYPE_NR
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};
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@ -29,18 +29,15 @@
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*/
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#ifndef __ASSEMBLY__
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typedef struct { unsigned long pte; } pte_t;
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typedef struct { unsigned long pmd; } pmd_t;
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typedef struct { unsigned long pgd; } pgd_t;
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typedef struct { unsigned long pgprot; } pgprot_t;
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#endif
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#define pte_val(x) ((x).pte)
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#define pmd_val(x) ((x).pmd)
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#define pgd_val(x) ((x).pgd)
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#define pgprot_val(x) ((x).pgprot)
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#define __pte(x) ((pte_t) { (x) } )
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#define __pmd(x) ((pmd_t) { (x) } )
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#define __pgd(x) ((pgd_t) { (x) } )
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#define __pgprot(x) ((pgprot_t) { (x) } )
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@ -73,10 +70,6 @@ typedef struct { unsigned long pgprot; } pgprot_t;
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#ifndef __ASSEMBLY__
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#define BUG() do { \
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printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \
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} while (0)
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/* Pure 2^n version of get_order */
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static inline int get_order(unsigned long size)
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{
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@ -47,16 +47,6 @@ extern inline void pte_free(struct page *pte)
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#define __pte_free_tlb(tlb,pte) tlb_remove_page((tlb),(pte))
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/*
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* We don't have any real pmd's, and this code never triggers because
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* the pgd will always be present..
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*/
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#define pmd_alloc_one(mm, addr) ({ BUG(); ((pmd_t *)2); })
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#define pmd_free(x) do { } while (0)
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#define __pmd_free_tlb(tlb,x) do { } while (0)
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#define pgd_populate(mm, pmd, pte) BUG()
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#define check_pgt_cache() do { } while (0)
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#endif
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@ -5,7 +5,8 @@
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#ifndef _CRIS_PGTABLE_H
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#define _CRIS_PGTABLE_H
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#include <asm-generic/4level-fixup.h>
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#include <asm/page.h>
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#include <asm-generic/pgtable-nopmd.h>
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#ifndef __ASSEMBLY__
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#include <linux/config.h>
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@ -41,22 +42,14 @@ extern void paging_init(void);
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* but the define is needed for a generic inline function.)
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*/
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#define set_pmd(pmdptr, pmdval) (*(pmdptr) = pmdval)
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#define set_pgd(pgdptr, pgdval) (*(pgdptr) = pgdval)
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#define set_pgu(pudptr, pudval) (*(pudptr) = pudval)
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/* PMD_SHIFT determines the size of the area a second-level page table can
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/* PGDIR_SHIFT determines the size of the area a second-level page table can
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* map. It is equal to the page size times the number of PTE's that fit in
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* a PMD page. A PTE is 4-bytes in CRIS. Hence the following number.
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*/
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#define PMD_SHIFT (PAGE_SHIFT + (PAGE_SHIFT-2))
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#define PMD_SIZE (1UL << PMD_SHIFT)
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#define PMD_MASK (~(PMD_SIZE-1))
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/* PGDIR_SHIFT determines what a third-level page table entry can map.
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* Since we fold into a two-level structure, this is the same as PMD_SHIFT.
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*/
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#define PGDIR_SHIFT PMD_SHIFT
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#define PGDIR_SHIFT (PAGE_SHIFT + (PAGE_SHIFT-2))
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#define PGDIR_SIZE (1UL << PGDIR_SHIFT)
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#define PGDIR_MASK (~(PGDIR_SIZE-1))
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@ -67,7 +60,6 @@ extern void paging_init(void);
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* divide it by 4 (shift by 2).
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*/
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#define PTRS_PER_PTE (1UL << (PAGE_SHIFT-2))
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#define PTRS_PER_PMD 1
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#define PTRS_PER_PGD (1UL << (PAGE_SHIFT-2))
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/* calculate how many PGD entries a user-level program can use
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@ -105,7 +97,7 @@ extern unsigned long empty_zero_page;
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#define pte_present(x) (pte_val(x) & _PAGE_PRESENT)
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#define pte_clear(mm,addr,xp) do { pte_val(*(xp)) = 0; } while (0)
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#define pmd_none(x) (!pmd_val(x))
|
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#define pmd_none(x) (!pmd_val(x))
|
||||
/* by removing the _PAGE_KERNEL bit from the comparision, the same pmd_bad
|
||||
* works for both _PAGE_TABLE and _KERNPG_TABLE pmd entries.
|
||||
*/
|
||||
@ -115,16 +107,6 @@ extern unsigned long empty_zero_page;
|
||||
|
||||
#ifndef __ASSEMBLY__
|
||||
|
||||
/*
|
||||
* The "pgd_xxx()" functions here are trivial for a folded two-level
|
||||
* setup: the pgd is never bad, and a pmd always exists (as it's folded
|
||||
* into the pgd entry)
|
||||
*/
|
||||
extern inline int pgd_none(pgd_t pgd) { return 0; }
|
||||
extern inline int pgd_bad(pgd_t pgd) { return 0; }
|
||||
extern inline int pgd_present(pgd_t pgd) { return 1; }
|
||||
extern inline void pgd_clear(pgd_t * pgdp) { }
|
||||
|
||||
/*
|
||||
* The following only work if pte_present() is true.
|
||||
* Undefined behaviour if not..
|
||||
@ -275,7 +257,7 @@ extern inline void pmd_set(pmd_t * pmdp, pte_t * ptep)
|
||||
#define pmd_page_kernel(pmd) ((unsigned long) __va(pmd_val(pmd) & PAGE_MASK))
|
||||
|
||||
/* to find an entry in a page-table-directory. */
|
||||
#define pgd_index(address) ((address >> PGDIR_SHIFT) & (PTRS_PER_PGD-1))
|
||||
#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1))
|
||||
|
||||
/* to find an entry in a page-table-directory */
|
||||
extern inline pgd_t * pgd_offset(struct mm_struct * mm, unsigned long address)
|
||||
@ -286,12 +268,6 @@ extern inline pgd_t * pgd_offset(struct mm_struct * mm, unsigned long address)
|
||||
/* to find an entry in a kernel page-table-directory */
|
||||
#define pgd_offset_k(address) pgd_offset(&init_mm, address)
|
||||
|
||||
/* Find an entry in the second-level page table.. */
|
||||
extern inline pmd_t * pmd_offset(pgd_t * dir, unsigned long address)
|
||||
{
|
||||
return (pmd_t *) dir;
|
||||
}
|
||||
|
||||
/* Find an entry in the third-level page table.. */
|
||||
#define __pte_offset(address) \
|
||||
(((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
|
||||
@ -308,8 +284,6 @@ extern inline pmd_t * pmd_offset(pgd_t * dir, unsigned long address)
|
||||
|
||||
#define pte_ERROR(e) \
|
||||
printk("%s:%d: bad pte %p(%08lx).\n", __FILE__, __LINE__, &(e), pte_val(e))
|
||||
#define pmd_ERROR(e) \
|
||||
printk("%s:%d: bad pmd %p(%08lx).\n", __FILE__, __LINE__, &(e), pmd_val(e))
|
||||
#define pgd_ERROR(e) \
|
||||
printk("%s:%d: bad pgd %p(%08lx).\n", __FILE__, __LINE__, &(e), pgd_val(e))
|
||||
|
||||
@ -348,5 +322,7 @@ extern inline void update_mmu_cache(struct vm_area_struct * vma,
|
||||
#define pte_to_pgoff(x) (pte_val(x) >> 6)
|
||||
#define pgoff_to_pte(x) __pte(((x) << 6) | _PAGE_FILE)
|
||||
|
||||
typedef pte_t *pte_addr_t;
|
||||
|
||||
#endif /* __ASSEMBLY__ */
|
||||
#endif /* _CRIS_PGTABLE_H */
|
||||
|
||||
@ -55,15 +55,6 @@ unsigned long get_wchan(struct task_struct *p);
|
||||
|
||||
#define KSTK_ESP(tsk) ((tsk) == current ? rdusp() : (tsk)->thread.usp)
|
||||
|
||||
/*
|
||||
* Free current thread data structures etc..
|
||||
*/
|
||||
|
||||
extern inline void exit_thread(void)
|
||||
{
|
||||
/* Nothing needs to be done. */
|
||||
}
|
||||
|
||||
extern unsigned long thread_saved_pc(struct task_struct *tsk);
|
||||
|
||||
/* Free all resources held by a thread. */
|
||||
|
||||
@ -43,7 +43,7 @@ struct thread_info {
|
||||
|
||||
#endif
|
||||
|
||||
#define PREEMPT_ACTIVE 0x4000000
|
||||
#define PREEMPT_ACTIVE 0x10000000
|
||||
|
||||
/*
|
||||
* macros/functions for gaining access to the thread information structure
|
||||
|
||||
@ -14,7 +14,7 @@
|
||||
* used so it does not matter.
|
||||
*/
|
||||
|
||||
typedef unsigned int cycles_t;
|
||||
typedef unsigned long long cycles_t;
|
||||
|
||||
extern inline cycles_t get_cycles(void)
|
||||
{
|
||||
|
||||
@ -52,7 +52,7 @@ typedef unsigned long long u64;
|
||||
typedef u32 dma_addr_t;
|
||||
typedef u32 dma64_addr_t;
|
||||
|
||||
typedef unsigned int kmem_bufctl_t;
|
||||
typedef unsigned short kmem_bufctl_t;
|
||||
|
||||
#endif /* __ASSEMBLY__ */
|
||||
|
||||
|
||||
@ -288,8 +288,15 @@
|
||||
#define __NR_mq_timedreceive (__NR_mq_open+3)
|
||||
#define __NR_mq_notify (__NR_mq_open+4)
|
||||
#define __NR_mq_getsetattr (__NR_mq_open+5)
|
||||
|
||||
#define NR_syscalls 283
|
||||
#define __NR_sys_kexec_load 283
|
||||
#define __NR_waitid 284
|
||||
/* #define __NR_sys_setaltroot 285 */
|
||||
#define __NR_add_key 286
|
||||
#define __NR_request_key 287
|
||||
#define __NR_keyctl 288
|
||||
|
||||
#define NR_syscalls 289
|
||||
|
||||
|
||||
|
||||
#ifdef __KERNEL__
|
||||
|
||||
Loading…
Reference in New Issue
Block a user