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-rw-r--r--include/asm-i386/apic.h1
-rw-r--r--include/asm-i386/bug.h5
-rw-r--r--include/asm-i386/checksum.h2
-rw-r--r--include/asm-i386/cpufeature.h4
-rw-r--r--include/asm-i386/e820.h2
-rw-r--r--include/asm-i386/hpet.h1
-rw-r--r--include/asm-i386/pgtable.h4
-rw-r--r--include/asm-i386/setup.h2
-rw-r--r--include/asm-i386/signal.h14
-rw-r--r--include/asm-i386/string.h89
-rw-r--r--include/asm-i386/system.h6
11 files changed, 75 insertions, 55 deletions
diff --git a/include/asm-i386/apic.h b/include/asm-i386/apic.h
index e1de67483f38..a5810cf7b578 100644
--- a/include/asm-i386/apic.h
+++ b/include/asm-i386/apic.h
@@ -109,7 +109,6 @@ extern int APIC_init_uniprocessor (void);
extern void disable_APIC_timer(void);
extern void enable_APIC_timer(void);
-extern int check_nmi_watchdog (void);
extern void enable_NMI_through_LVT0 (void * dummy);
extern unsigned int nmi_watchdog;
diff --git a/include/asm-i386/bug.h b/include/asm-i386/bug.h
index 706eb511c330..8f79de19eb94 100644
--- a/include/asm-i386/bug.h
+++ b/include/asm-i386/bug.h
@@ -9,6 +9,8 @@
* undefined" opcode for parsing in the trap handler.
*/
+#ifdef CONFIG_BUG
+#define HAVE_ARCH_BUG
#ifdef CONFIG_DEBUG_BUGVERBOSE
#define BUG() \
__asm__ __volatile__( "ud2\n" \
@@ -18,8 +20,7 @@
#else
#define BUG() __asm__ __volatile__("ud2\n")
#endif
+#endif
-#define HAVE_ARCH_BUG
#include <asm-generic/bug.h>
-
#endif
diff --git a/include/asm-i386/checksum.h b/include/asm-i386/checksum.h
index d76a5f081c91..641342002bcd 100644
--- a/include/asm-i386/checksum.h
+++ b/include/asm-i386/checksum.h
@@ -33,7 +33,7 @@ asmlinkage unsigned int csum_partial_copy_generic(const unsigned char *src, unsi
* passed in an incorrect kernel address to one of these functions.
*
* If you use these functions directly please don't forget the
- * verify_area().
+ * access_ok().
*/
static __inline__
unsigned int csum_partial_copy_nocheck (const unsigned char *src, unsigned char *dst,
diff --git a/include/asm-i386/cpufeature.h b/include/asm-i386/cpufeature.h
index e147cabd3bfe..ff1187e80c32 100644
--- a/include/asm-i386/cpufeature.h
+++ b/include/asm-i386/cpufeature.h
@@ -87,8 +87,8 @@
#define X86_FEATURE_XCRYPT_EN (5*32+ 7) /* on-CPU crypto enabled */
/* More extended AMD flags: CPUID level 0x80000001, ecx, word 6 */
-#define X86_FEATURE_LAHF_LM (5*32+ 0) /* LAHF/SAHF in long mode */
-#define X86_FEATURE_CMP_LEGACY (5*32+ 1) /* If yes HyperThreading not valid */
+#define X86_FEATURE_LAHF_LM (6*32+ 0) /* LAHF/SAHF in long mode */
+#define X86_FEATURE_CMP_LEGACY (6*32+ 1) /* If yes HyperThreading not valid */
#define cpu_has(c, bit) test_bit(bit, (c)->x86_capability)
#define boot_cpu_has(bit) test_bit(bit, boot_cpu_data.x86_capability)
diff --git a/include/asm-i386/e820.h b/include/asm-i386/e820.h
index 5c285aee7294..edf65be21a92 100644
--- a/include/asm-i386/e820.h
+++ b/include/asm-i386/e820.h
@@ -13,7 +13,7 @@
#define __E820_HEADER
#define E820MAP 0x2d0 /* our map */
-#define E820MAX 32 /* number of entries in E820MAP */
+#define E820MAX 128 /* number of entries in E820MAP */
#define E820NR 0x1e8 /* # entries in E820MAP */
#define E820_RAM 1
diff --git a/include/asm-i386/hpet.h b/include/asm-i386/hpet.h
index 6e20b079f1d3..16ef9f996e3f 100644
--- a/include/asm-i386/hpet.h
+++ b/include/asm-i386/hpet.h
@@ -92,6 +92,7 @@
extern unsigned long hpet_tick; /* hpet clks count per tick */
extern unsigned long hpet_address; /* hpet memory map physical address */
+extern int hpet_use_timer;
extern int hpet_rtc_timer_init(void);
extern int hpet_enable(void);
diff --git a/include/asm-i386/pgtable.h b/include/asm-i386/pgtable.h
index 5c725425d863..8d60c2b4b003 100644
--- a/include/asm-i386/pgtable.h
+++ b/include/asm-i386/pgtable.h
@@ -193,9 +193,9 @@ extern unsigned long long __PAGE_KERNEL, __PAGE_KERNEL_EXEC;
/*
* Define this if things work differently on an i386 and an i486:
* it will (on an i486) warn about kernel memory accesses that are
- * done without a 'verify_area(VERIFY_WRITE,..)'
+ * done without a 'access_ok(VERIFY_WRITE,..)'
*/
-#undef TEST_VERIFY_AREA
+#undef TEST_ACCESS_OK
/* The boot page tables (all created as a single array) */
extern unsigned long pg0[];
diff --git a/include/asm-i386/setup.h b/include/asm-i386/setup.h
index 8814b54c75d4..7a32184d54bf 100644
--- a/include/asm-i386/setup.h
+++ b/include/asm-i386/setup.h
@@ -16,7 +16,7 @@
#define MAXMEM_PFN PFN_DOWN(MAXMEM)
#define MAX_NONPAE_PFN (1 << 20)
-#define PARAM_SIZE 2048
+#define PARAM_SIZE 4096
#define COMMAND_LINE_SIZE 256
#define OLD_CL_MAGIC_ADDR 0x90020
diff --git a/include/asm-i386/signal.h b/include/asm-i386/signal.h
index 7ef343b6812d..0f082bd1c455 100644
--- a/include/asm-i386/signal.h
+++ b/include/asm-i386/signal.h
@@ -110,20 +110,6 @@ typedef unsigned long sigset_t;
#define MINSIGSTKSZ 2048
#define SIGSTKSZ 8192
-#ifdef __KERNEL__
-
-/*
- * These values of sa_flags are used only by the kernel as part of the
- * irq handling routines.
- *
- * SA_INTERRUPT is also used by the irq handling routines.
- * SA_SHIRQ is for shared interrupt support on PCI and EISA.
- */
-#define SA_PROBE SA_ONESHOT
-#define SA_SAMPLE_RANDOM SA_RESTART
-#define SA_SHIRQ 0x04000000
-#endif
-
#define SIG_BLOCK 0 /* for blocking signals */
#define SIG_UNBLOCK 1 /* for unblocking signals */
#define SIG_SETMASK 2 /* for setting the signal mask */
diff --git a/include/asm-i386/string.h b/include/asm-i386/string.h
index 1679983d053f..6a78ac58c194 100644
--- a/include/asm-i386/string.h
+++ b/include/asm-i386/string.h
@@ -198,47 +198,80 @@ static inline void * __memcpy(void * to, const void * from, size_t n)
int d0, d1, d2;
__asm__ __volatile__(
"rep ; movsl\n\t"
- "testb $2,%b4\n\t"
- "je 1f\n\t"
- "movsw\n"
- "1:\ttestb $1,%b4\n\t"
- "je 2f\n\t"
- "movsb\n"
- "2:"
+ "movl %4,%%ecx\n\t"
+ "andl $3,%%ecx\n\t"
+#if 1 /* want to pay 2 byte penalty for a chance to skip microcoded rep? */
+ "jz 1f\n\t"
+#endif
+ "rep ; movsb\n\t"
+ "1:"
: "=&c" (d0), "=&D" (d1), "=&S" (d2)
- :"0" (n/4), "q" (n),"1" ((long) to),"2" ((long) from)
+ : "0" (n/4), "g" (n), "1" ((long) to), "2" ((long) from)
: "memory");
return (to);
}
/*
- * This looks horribly ugly, but the compiler can optimize it totally,
+ * This looks ugly, but the compiler can optimize it totally,
* as the count is constant.
*/
static inline void * __constant_memcpy(void * to, const void * from, size_t n)
{
- if (n <= 128)
- return __builtin_memcpy(to, from, n);
-
-#define COMMON(x) \
-__asm__ __volatile__( \
- "rep ; movsl" \
- x \
- : "=&c" (d0), "=&D" (d1), "=&S" (d2) \
- : "0" (n/4),"1" ((long) to),"2" ((long) from) \
- : "memory");
-{
- int d0, d1, d2;
+ long esi, edi;
+ if (!n) return to;
+#if 1 /* want to do small copies with non-string ops? */
+ switch (n) {
+ case 1: *(char*)to = *(char*)from; return to;
+ case 2: *(short*)to = *(short*)from; return to;
+ case 4: *(int*)to = *(int*)from; return to;
+#if 1 /* including those doable with two moves? */
+ case 3: *(short*)to = *(short*)from;
+ *((char*)to+2) = *((char*)from+2); return to;
+ case 5: *(int*)to = *(int*)from;
+ *((char*)to+4) = *((char*)from+4); return to;
+ case 6: *(int*)to = *(int*)from;
+ *((short*)to+2) = *((short*)from+2); return to;
+ case 8: *(int*)to = *(int*)from;
+ *((int*)to+1) = *((int*)from+1); return to;
+#endif
+ }
+#endif
+ esi = (long) from;
+ edi = (long) to;
+ if (n >= 5*4) {
+ /* large block: use rep prefix */
+ int ecx;
+ __asm__ __volatile__(
+ "rep ; movsl"
+ : "=&c" (ecx), "=&D" (edi), "=&S" (esi)
+ : "0" (n/4), "1" (edi),"2" (esi)
+ : "memory"
+ );
+ } else {
+ /* small block: don't clobber ecx + smaller code */
+ if (n >= 4*4) __asm__ __volatile__("movsl"
+ :"=&D"(edi),"=&S"(esi):"0"(edi),"1"(esi):"memory");
+ if (n >= 3*4) __asm__ __volatile__("movsl"
+ :"=&D"(edi),"=&S"(esi):"0"(edi),"1"(esi):"memory");
+ if (n >= 2*4) __asm__ __volatile__("movsl"
+ :"=&D"(edi),"=&S"(esi):"0"(edi),"1"(esi):"memory");
+ if (n >= 1*4) __asm__ __volatile__("movsl"
+ :"=&D"(edi),"=&S"(esi):"0"(edi),"1"(esi):"memory");
+ }
switch (n % 4) {
- case 0: COMMON(""); return to;
- case 1: COMMON("\n\tmovsb"); return to;
- case 2: COMMON("\n\tmovsw"); return to;
- default: COMMON("\n\tmovsw\n\tmovsb"); return to;
+ /* tail */
+ case 0: return to;
+ case 1: __asm__ __volatile__("movsb"
+ :"=&D"(edi),"=&S"(esi):"0"(edi),"1"(esi):"memory");
+ return to;
+ case 2: __asm__ __volatile__("movsw"
+ :"=&D"(edi),"=&S"(esi):"0"(edi),"1"(esi):"memory");
+ return to;
+ default: __asm__ __volatile__("movsw\n\tmovsb"
+ :"=&D"(edi),"=&S"(esi):"0"(edi),"1"(esi):"memory");
+ return to;
}
}
-
-#undef COMMON
-}
#define __HAVE_ARCH_MEMCPY
diff --git a/include/asm-i386/system.h b/include/asm-i386/system.h
index 6f74d4c44a0e..3db717a244f0 100644
--- a/include/asm-i386/system.h
+++ b/include/asm-i386/system.h
@@ -81,7 +81,7 @@ static inline unsigned long _get_base(char * addr)
#define loadsegment(seg,value) \
asm volatile("\n" \
"1:\t" \
- "movl %0,%%" #seg "\n" \
+ "mov %0,%%" #seg "\n" \
"2:\n" \
".section .fixup,\"ax\"\n" \
"3:\t" \
@@ -93,13 +93,13 @@ static inline unsigned long _get_base(char * addr)
".align 4\n\t" \
".long 1b,3b\n" \
".previous" \
- : :"m" (*(unsigned int *)&(value)))
+ : :"m" (value))
/*
* Save a segment register away
*/
#define savesegment(seg, value) \
- asm volatile("movl %%" #seg ",%0":"=m" (*(int *)&(value)))
+ asm volatile("mov %%" #seg ",%0":"=m" (value))
/*
* Clear and set 'TS' bit respectively
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-12 13:41:33 +0000