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-rw-r--r--include/asm-mips/checksum.h54
-rw-r--r--include/asm-mips/ide.h5
-rw-r--r--include/asm-mips/irq.h2
-rw-r--r--include/asm-mips/keyboard.h4
-rw-r--r--include/asm-mips/mmu_context.h15
-rw-r--r--include/asm-mips/offset.h46
-rw-r--r--include/asm-mips/processor.h6
-rw-r--r--include/asm-mips/serial.h144
-rw-r--r--include/asm-mips/system.h7
-rw-r--r--include/asm-mips/termios.h1
-rw-r--r--include/asm-mips/unistd.h5
11 files changed, 230 insertions, 59 deletions
diff --git a/include/asm-mips/checksum.h b/include/asm-mips/checksum.h
index b3bfcae7c..d2ce1edcd 100644
--- a/include/asm-mips/checksum.h
+++ b/include/asm-mips/checksum.h
@@ -1,11 +1,10 @@
-/*
- * include/asm-mips/checksum.h
+/* $Id: checksum.h,v 1.4 1998/05/06 02:50:12 ralf Exp $
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (C) 1995 by Ralf Baechle
+ * Copyright (C) 1995, 1996, 1997, 1998 by Ralf Baechle
*/
#ifndef __ASM_MIPS_CHECKSUM_H
#define __ASM_MIPS_CHECKSUM_H
@@ -25,13 +24,18 @@
unsigned int csum_partial(const unsigned char * buff, int len, unsigned int sum);
/*
- * the same as csum_partial, but copies from src while it
- * checksums
- *
- * here even more important to align src and dst on a 32-bit (or even
- * better 64-bit) boundary
+ * this is a new version of the above that records errors it finds in *errp,
+ * but continues and zeros the rest of the buffer.
*/
-unsigned int csum_partial_copy(const char *src, char *dst, int len, unsigned int sum);
+unsigned int csum_partial_copy_nocheck(const char *src, char *dst, int len,
+ unsigned int sum);
+
+/*
+ * this is a new version of the above that records errors it finds in *errp,
+ * but continues and zeros the rest of the buffer.
+ */
+unsigned int csum_partial_copy_from_user(const char *src, char *dst, int len,
+ unsigned int sum, int *errp);
/*
* the same as csum_partial, but copies from user space (but on MIPS
@@ -40,14 +44,9 @@ unsigned int csum_partial_copy(const char *src, char *dst, int len, unsigned int
* this is obsolete and will go away.
*/
#define csum_partial_copy_fromuser csum_partial_copy
+unsigned int csum_partial_copy(const char *src, char *dst, int len, unsigned int sum);
/*
- * this is a new version of the above that records errors it finds in *errp,
- * but continues and zeros the rest of the buffer.
- */
-unsigned int csum_partial_copy_from_user(const char *src, char *dst, int len, unsigned int sum, int *errp);
-
-/*
* Fold a partial checksum without adding pseudo headers
*/
static inline unsigned short int csum_fold(unsigned int sum)
@@ -126,11 +125,11 @@ static inline unsigned short ip_fast_csum(unsigned char * iph,
* computes the checksum of the TCP/UDP pseudo-header
* returns a 16-bit checksum, already complemented
*/
-static inline unsigned short int csum_tcpudp_magic(unsigned long saddr,
- unsigned long daddr,
- unsigned short len,
- unsigned short proto,
- unsigned int sum)
+static inline unsigned long csum_tcpudp_nofold(unsigned long saddr,
+ unsigned long daddr,
+ unsigned short len,
+ unsigned short proto,
+ unsigned int sum)
{
__asm__("
.set noat
@@ -156,7 +155,20 @@ static inline unsigned short int csum_tcpudp_magic(unsigned long saddr,
"r"(sum)
: "$1");
- return csum_fold(sum);
+ return sum;
+}
+
+/*
+ * computes the checksum of the TCP/UDP pseudo-header
+ * returns a 16-bit checksum, already complemented
+ */
+static inline unsigned short int csum_tcpudp_magic(unsigned long saddr,
+ unsigned long daddr,
+ unsigned short len,
+ unsigned short proto,
+ unsigned int sum)
+{
+ return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum));
}
/*
diff --git a/include/asm-mips/ide.h b/include/asm-mips/ide.h
index b54a7657c..9a775063f 100644
--- a/include/asm-mips/ide.h
+++ b/include/asm-mips/ide.h
@@ -1,4 +1,5 @@
-/*
+/* $Id: ide.h,v 1.3 1998/05/03 21:46:15 ralf Exp $
+ *
* linux/include/asm-mips/ide.h
*
* Copyright (C) 1994-1996 Linus Torvalds & authors
@@ -16,7 +17,7 @@
typedef unsigned short ide_ioreg_t;
#ifndef MAX_HWIFS
-#define MAX_HWIFS 4
+#define MAX_HWIFS 6
#endif
#define ide_sti() sti()
diff --git a/include/asm-mips/irq.h b/include/asm-mips/irq.h
index f544d741f..20b7accd8 100644
--- a/include/asm-mips/irq.h
+++ b/include/asm-mips/irq.h
@@ -19,6 +19,8 @@
#define TIMER_IRQ 0
+extern int (*irq_cannonicalize)(int irq);
+
struct irqaction;
extern int setup_x86_irq(int irq, struct irqaction * new);
extern void disable_irq(unsigned int);
diff --git a/include/asm-mips/keyboard.h b/include/asm-mips/keyboard.h
index e9f237d72..49d754578 100644
--- a/include/asm-mips/keyboard.h
+++ b/include/asm-mips/keyboard.h
@@ -5,7 +5,7 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * $Id: keyboard.h,v 1.5 1997/08/06 19:16:26 miguel Exp $
+ * $Id: keyboard.h,v 1.6 1997/12/16 05:36:41 ralf Exp $
*/
#ifndef __ASM_MIPS_KEYBOARD_H
#define __ASM_MIPS_KEYBOARD_H
@@ -38,8 +38,6 @@ extern unsigned char pckbd_sysrq_xlate[128];
#define SYSRQ_KEY 0x54
-#define INIT_KBD /* full initialization for the keyboard controller. */
-
/* Some stoneage hardware needs delays after some operations. */
#define kbd_pause() do { } while(0)
diff --git a/include/asm-mips/mmu_context.h b/include/asm-mips/mmu_context.h
index 87b12792e..9e237fade 100644
--- a/include/asm-mips/mmu_context.h
+++ b/include/asm-mips/mmu_context.h
@@ -1,11 +1,12 @@
-/*
+/* $Id: mmu_context.h,v 1.2 1998/05/05 10:22:01 ralf Exp $
+ *
* Switch a MMU context.
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (C) 1996 by Ralf Baechle
+ * Copyright (C) 1996, 1997, 1998 by Ralf Baechle
*/
#ifndef __ASM_MIPS_MMU_CONTEXT_H
#define __ASM_MIPS_MMU_CONTEXT_H
@@ -62,4 +63,14 @@ extern inline void destroy_context(struct mm_struct *mm)
mm->context = 0;
}
+/*
+ * After we have set current->mm to a new value, this activates
+ * the context for the new mm so we see the new mappings.
+ */
+extern inline void activate_context(struct task_struct *tsk)
+{
+ get_mmu_context(tsk);
+ set_entryhi(tsk->mm->context);
+}
+
#endif /* __ASM_MIPS_MMU_CONTEXT_H */
diff --git a/include/asm-mips/offset.h b/include/asm-mips/offset.h
index 32deafe7b..5f89c2852 100644
--- a/include/asm-mips/offset.h
+++ b/include/asm-mips/offset.h
@@ -50,31 +50,31 @@
#define TASK_PRIORITY 56
#define TASK_FLAGS 4
#define TASK_SIGPENDING 8
-#define TASK_MM 928
+#define TASK_MM 936
/* MIPS specific thread_struct offsets. */
-#define THREAD_REG16 568
-#define THREAD_REG17 572
-#define THREAD_REG18 576
-#define THREAD_REG19 580
-#define THREAD_REG20 584
-#define THREAD_REG21 588
-#define THREAD_REG22 592
-#define THREAD_REG23 596
-#define THREAD_REG29 600
-#define THREAD_REG30 604
-#define THREAD_REG31 608
-#define THREAD_STATUS 612
-#define THREAD_FPU 616
-#define THREAD_BVADDR 880
-#define THREAD_BUADDR 884
-#define THREAD_ECODE 888
-#define THREAD_TRAPNO 892
-#define THREAD_PGDIR 896
-#define THREAD_MFLAGS 900
-#define THREAD_CURDS 904
-#define THREAD_TRAMP 908
-#define THREAD_OLDCTX 912
+#define THREAD_REG16 576
+#define THREAD_REG17 580
+#define THREAD_REG18 584
+#define THREAD_REG19 588
+#define THREAD_REG20 592
+#define THREAD_REG21 596
+#define THREAD_REG22 600
+#define THREAD_REG23 604
+#define THREAD_REG29 608
+#define THREAD_REG30 612
+#define THREAD_REG31 616
+#define THREAD_STATUS 620
+#define THREAD_FPU 624
+#define THREAD_BVADDR 888
+#define THREAD_BUADDR 892
+#define THREAD_ECODE 896
+#define THREAD_TRAPNO 900
+#define THREAD_PGDIR 904
+#define THREAD_MFLAGS 908
+#define THREAD_CURDS 912
+#define THREAD_TRAMP 916
+#define THREAD_OLDCTX 920
/* Linux mm_struct offsets. */
#define MM_COUNT 12
diff --git a/include/asm-mips/processor.h b/include/asm-mips/processor.h
index 98d5e6a86..63d721720 100644
--- a/include/asm-mips/processor.h
+++ b/include/asm-mips/processor.h
@@ -5,7 +5,7 @@
* written by Ralf Baechle
* Modified further for R[236]000 compatibility by Paul M. Antoine
*
- * $Id: processor.h,v 1.13 1998/04/25 05:35:15 ralf Exp $
+ * $Id: processor.h,v 1.10 1998/05/04 09:13:01 ralf Exp $
*/
#ifndef __ASM_MIPS_PROCESSOR_H
#define __ASM_MIPS_PROCESSOR_H
@@ -152,6 +152,10 @@ struct thread_struct {
/* Free all resources held by a thread. */
extern void release_thread(struct task_struct *);
+/* Copy and release all segment info associated with a VM */
+#define copy_segments(nr, p, mm) do { } while(0)
+#define release_segments(mm) do { } while(0)
+
/*
* Return saved PC of a blocked thread.
*/
diff --git a/include/asm-mips/serial.h b/include/asm-mips/serial.h
new file mode 100644
index 000000000..47c6ea0b7
--- /dev/null
+++ b/include/asm-mips/serial.h
@@ -0,0 +1,144 @@
+/*
+ * include/asm-mips/serial.h
+ *
+ * $Id: serial.h,v 1.1 1998/05/04 12:43:16 ralf Exp $
+ */
+#include <linux/config.h>
+
+/*
+ * This assumes you have a 1.8432 MHz clock for your UART.
+ *
+ * It'd be nice if someone built a serial card with a 24.576 MHz
+ * clock, since the 16550A is capable of handling a top speed of 1.5
+ * megabits/second; but this requires the faster clock.
+ */
+#ifdef CONFIG_MIPS_JAZZ
+/* XXX This doesn't seem to be true for all Jazz machines. */
+#define JAZZ_BASE_BAUD ( 8000000 / 16 ) /* ( 3072000 / 16) */
+#else
+#define BASE_BAUD ( 1843200 / 16 )
+#endif
+
+/* Standard COM flags (except for COM4, because of the 8514 problem) */
+#ifdef CONFIG_SERIAL_DETECT_IRQ
+#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ)
+#define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ)
+#else
+#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
+#define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF
+#endif
+
+#ifdef CONFIG_SERIAL_MANY_PORTS
+#define FOURPORT_FLAGS ASYNC_FOURPORT
+#define ACCENT_FLAGS 0
+#define BOCA_FLAGS 0
+#define HUB6_FLAGS 0
+#endif
+
+/*
+ * The following define the access methods for the HUB6 card. All
+ * access is through two ports for all 24 possible chips. The card is
+ * selected through the high 2 bits, the port on that card with the
+ * "middle" 3 bits, and the register on that port with the bottom
+ * 3 bits.
+ *
+ * While the access port and interrupt is configurable, the default
+ * port locations are 0x302 for the port control register, and 0x303
+ * for the data read/write register. Normally, the interrupt is at irq3
+ * but can be anything from 3 to 7 inclusive. Note that using 3 will
+ * require disabling com2.
+ */
+
+#define C_P(card,port) (((card)<<6|(port)<<3) + 1)
+
+#ifdef CONFIG_MIPS_JAZZ
+#define JAZZ_SERIAL_PORT_DEFNS \
+ /* UART CLK PORT IRQ FLAGS */ \
+ { 0, JAZZ_BASE_BAUD, JAZZ_SERIAL1_BASE, /* ttyS0 */
+ JAZZ_SERIAL1_IRQ, STD_COM_FLAGS },
+ { 0, JAZZ_BASE_BAUD, JAZZ_SERIAL2_BASE, /* ttyS1 */
+ JAZZ_SERIAL2_IRQ, STD_COM_FLAGS },
+#else
+#define JAZZ_SERIAL_PORT_DEFNS
+#endif
+
+#define STD_SERIAL_PORT_DEFNS \
+ /* UART CLK PORT IRQ FLAGS */ \
+ { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \
+ { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }, /* ttyS1 */ \
+ { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \
+ { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */
+
+
+#ifdef CONFIG_SERIAL_MANY_PORTS
+#define EXTRA_SERIAL_PORT_DEFNS \
+ { 0, BASE_BAUD, 0x1A0, 9, FOURPORT_FLAGS }, /* ttyS4 */ \
+ { 0, BASE_BAUD, 0x1A8, 9, FOURPORT_FLAGS }, /* ttyS5 */ \
+ { 0, BASE_BAUD, 0x1B0, 9, FOURPORT_FLAGS }, /* ttyS6 */ \
+ { 0, BASE_BAUD, 0x1B8, 9, FOURPORT_FLAGS }, /* ttyS7 */ \
+ { 0, BASE_BAUD, 0x2A0, 5, FOURPORT_FLAGS }, /* ttyS8 */ \
+ { 0, BASE_BAUD, 0x2A8, 5, FOURPORT_FLAGS }, /* ttyS9 */ \
+ { 0, BASE_BAUD, 0x2B0, 5, FOURPORT_FLAGS }, /* ttyS10 */ \
+ { 0, BASE_BAUD, 0x2B8, 5, FOURPORT_FLAGS }, /* ttyS11 */ \
+ { 0, BASE_BAUD, 0x330, 4, ACCENT_FLAGS }, /* ttyS12 */ \
+ { 0, BASE_BAUD, 0x338, 4, ACCENT_FLAGS }, /* ttyS13 */ \
+ { 0, BASE_BAUD, 0x000, 0, 0 }, /* ttyS14 (spare) */ \
+ { 0, BASE_BAUD, 0x000, 0, 0 }, /* ttyS15 (spare) */ \
+ { 0, BASE_BAUD, 0x100, 12, BOCA_FLAGS }, /* ttyS16 */ \
+ { 0, BASE_BAUD, 0x108, 12, BOCA_FLAGS }, /* ttyS17 */ \
+ { 0, BASE_BAUD, 0x110, 12, BOCA_FLAGS }, /* ttyS18 */ \
+ { 0, BASE_BAUD, 0x118, 12, BOCA_FLAGS }, /* ttyS19 */ \
+ { 0, BASE_BAUD, 0x120, 12, BOCA_FLAGS }, /* ttyS20 */ \
+ { 0, BASE_BAUD, 0x128, 12, BOCA_FLAGS }, /* ttyS21 */ \
+ { 0, BASE_BAUD, 0x130, 12, BOCA_FLAGS }, /* ttyS22 */ \
+ { 0, BASE_BAUD, 0x138, 12, BOCA_FLAGS }, /* ttyS23 */ \
+ { 0, BASE_BAUD, 0x140, 12, BOCA_FLAGS }, /* ttyS24 */ \
+ { 0, BASE_BAUD, 0x148, 12, BOCA_FLAGS }, /* ttyS25 */ \
+ { 0, BASE_BAUD, 0x150, 12, BOCA_FLAGS }, /* ttyS26 */ \
+ { 0, BASE_BAUD, 0x158, 12, BOCA_FLAGS }, /* ttyS27 */ \
+ { 0, BASE_BAUD, 0x160, 12, BOCA_FLAGS }, /* ttyS28 */ \
+ { 0, BASE_BAUD, 0x168, 12, BOCA_FLAGS }, /* ttyS29 */ \
+ { 0, BASE_BAUD, 0x170, 12, BOCA_FLAGS }, /* ttyS30 */ \
+ { 0, BASE_BAUD, 0x178, 12, BOCA_FLAGS }, /* ttyS31 */
+#else
+#define EXTRA_SERIAL_PORT_DEFNS
+#endif
+
+/* You can have up to four HUB6's in the system, but I've only
+ * included two cards here for a total of twelve ports.
+ */
+#if (defined(CONFIG_HUB6) && defined(CONFIG_SERIAL_MANY_PORTS))
+#define HUB6_SERIAL_PORT_DFNS \
+ { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,0) }, /* ttyS32 */ \
+ { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,1) }, /* ttyS33 */ \
+ { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,2) }, /* ttyS34 */ \
+ { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,3) }, /* ttyS35 */ \
+ { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,4) }, /* ttyS36 */ \
+ { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(0,5) }, /* ttyS37 */ \
+ { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,0) }, /* ttyS38 */ \
+ { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,1) }, /* ttyS39 */ \
+ { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,2) }, /* ttyS40 */ \
+ { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,3) }, /* ttyS41 */ \
+ { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,4) }, /* ttyS42 */ \
+ { 0, BASE_BAUD, 0x302, 3, HUB6_FLAGS, C_P(1,5) }, /* ttyS43 */
+#else
+#define HUB6_SERIAL_PORT_DFNS
+#endif
+
+#ifdef CONFIG_MCA
+#define MCA_SERIAL_PORT_DFNS \
+ { 0, BASE_BAUD, 0x3220, 3, STD_COM_FLAGS }, \
+ { 0, BASE_BAUD, 0x3228, 3, STD_COM_FLAGS }, \
+ { 0, BASE_BAUD, 0x4220, 3, STD_COM_FLAGS }, \
+ { 0, BASE_BAUD, 0x4228, 3, STD_COM_FLAGS }, \
+ { 0, BASE_BAUD, 0x5220, 3, STD_COM_FLAGS }, \
+ { 0, BASE_BAUD, 0x5228, 3, STD_COM_FLAGS },
+#else
+#define MCA_SERIAL_PORT_DFNS
+#endif
+
+#define JAZZ_PORT_DFNS \
+ SERIAL_PORT_DFNS \
+ STD_SERIAL_PORT_DEFNS \
+ EXTRA_SERIAL_PORT_DEFNS \
+ HUB6_SERIAL_PORT_DFNS
diff --git a/include/asm-mips/system.h b/include/asm-mips/system.h
index ab8faf278..dd5aa3422 100644
--- a/include/asm-mips/system.h
+++ b/include/asm-mips/system.h
@@ -1,5 +1,4 @@
-/*
- * include/asm-mips/system.h
+/* $Id: system.h,v 1.7 1998/05/04 03:53:22 ralf Exp $
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
@@ -7,8 +6,6 @@
*
* Copyright (C) 1994, 1995 by Ralf Baechle
* Modified further for R[236]000 by Paul M. Antoine, 1996
- *
- * $Id: system.h,v 1.6 1998/05/03 11:13:54 ralf Exp $
*/
#ifndef __ASM_MIPS_SYSTEM_H
#define __ASM_MIPS_SYSTEM_H
@@ -114,6 +111,8 @@ __restore_flags(int flags)
__asm__ __volatile__( \
"# prevent instructions being moved around\n\t" \
".set\tnoreorder\n\t" \
+ "# 8 nops to fool the R4400 pipeline\n\t" \
+ "nop;nop;nop;nop;nop;nop;nop;nop\n\t" \
".set\treorder" \
: /* no output */ \
: /* no input */ \
diff --git a/include/asm-mips/termios.h b/include/asm-mips/termios.h
index 5dfb3a995..8293b5df1 100644
--- a/include/asm-mips/termios.h
+++ b/include/asm-mips/termios.h
@@ -92,6 +92,7 @@ struct termio {
#define N_STRIP 4
#define N_AX25 5
#define N_X25 6 /* X.25 async */
+#define N_6PACK 7
#ifdef __KERNEL__
diff --git a/include/asm-mips/unistd.h b/include/asm-mips/unistd.h
index 5cc743dd9..7764e8a85 100644
--- a/include/asm-mips/unistd.h
+++ b/include/asm-mips/unistd.h
@@ -1190,11 +1190,12 @@
#define __NR_pread (__NR_Linux + 200)
#define __NR_pwrite (__NR_Linux + 201)
#define __NR_chown (__NR_Linux + 202)
+#define __NR_getcwd (__NR_Linux + 203)
/*
* Offset of the last Linux flavoured syscall
*/
-#define __NR_Linux_syscalls 202
+#define __NR_Linux_syscalls 203
#ifndef __LANGUAGE_ASSEMBLY__
@@ -1414,8 +1415,6 @@ return -1; \
*/
#define __NR__exit __NR_exit
static inline _syscall0(int,idle)
-static inline _syscall0(int,fork)
-static inline _syscall2(int,clone,unsigned long,flags,char *,esp)
static inline _syscall0(int,pause)
static inline _syscall1(int,setup,int,magic)
static inline _syscall0(int,sync)