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-rw-r--r--arch/um/include/chan_kern.h2
-rw-r--r--arch/um/include/line.h4
-rw-r--r--arch/um/include/mconsole.h1
-rw-r--r--arch/um/include/mconsole_kern.h1
-rw-r--r--arch/um/include/os.h2
-rw-r--r--arch/um/include/sysdep-i386/barrier.h9
-rw-r--r--arch/um/include/sysdep-i386/checksum.h74
-rw-r--r--arch/um/include/sysdep-i386/ptrace.h2
-rw-r--r--arch/um/include/sysdep-i386/stub.h1
-rw-r--r--arch/um/include/sysdep-x86_64/barrier.h7
-rw-r--r--arch/um/include/sysdep-x86_64/checksum.h47
-rw-r--r--arch/um/include/sysdep-x86_64/ptrace.h2
-rw-r--r--arch/um/include/um_malloc.h17
-rw-r--r--arch/um/include/user.h6
-rw-r--r--arch/um/include/user_util.h1
15 files changed, 96 insertions, 80 deletions
diff --git a/arch/um/include/chan_kern.h b/arch/um/include/chan_kern.h
index 572d286ed2c6..9003a343e148 100644
--- a/arch/um/include/chan_kern.h
+++ b/arch/um/include/chan_kern.h
@@ -27,7 +27,7 @@ struct chan {
void *data;
};
-extern void chan_interrupt(struct list_head *chans, struct work_struct *task,
+extern void chan_interrupt(struct list_head *chans, struct delayed_work *task,
struct tty_struct *tty, int irq);
extern int parse_chan_pair(char *str, struct line *line, int device,
const struct chan_opts *opts);
diff --git a/arch/um/include/line.h b/arch/um/include/line.h
index 7be24811bb30..5f232ae89fbb 100644
--- a/arch/um/include/line.h
+++ b/arch/um/include/line.h
@@ -51,7 +51,7 @@ struct line {
char *tail;
int sigio;
- struct work_struct task;
+ struct delayed_work task;
const struct line_driver *driver;
int have_irq;
};
@@ -76,7 +76,7 @@ extern int line_setup(struct line *lines, unsigned int sizeof_lines,
extern int line_write(struct tty_struct *tty, const unsigned char *buf,
int len);
extern void line_put_char(struct tty_struct *tty, unsigned char ch);
-extern void line_set_termios(struct tty_struct *tty, struct termios * old);
+extern void line_set_termios(struct tty_struct *tty, struct ktermios * old);
extern int line_chars_in_buffer(struct tty_struct *tty);
extern void line_flush_buffer(struct tty_struct *tty);
extern void line_flush_chars(struct tty_struct *tty);
diff --git a/arch/um/include/mconsole.h b/arch/um/include/mconsole.h
index 58f67d391105..2666815b6af5 100644
--- a/arch/um/include/mconsole.h
+++ b/arch/um/include/mconsole.h
@@ -61,6 +61,7 @@ struct mc_request
struct mconsole_request request;
struct mconsole_command *cmd;
+ union uml_pt_regs regs;
};
extern char mconsole_socket_name[];
diff --git a/arch/um/include/mconsole_kern.h b/arch/um/include/mconsole_kern.h
index d0b690197fd7..1ea6d928e1cd 100644
--- a/arch/um/include/mconsole_kern.h
+++ b/arch/um/include/mconsole_kern.h
@@ -14,6 +14,7 @@ struct mconsole_entry {
struct mc_request request;
};
+/* All these methods are called in process context. */
struct mc_device {
struct list_head list;
char *name;
diff --git a/arch/um/include/os.h b/arch/um/include/os.h
index 6516f6dca96d..13a86bd383d3 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/os.h
@@ -233,6 +233,8 @@ extern unsigned long __do_user_copy(void *to, const void *from, int n,
void (*op)(void *to, const void *from,
int n), int *faulted_out);
+/* execvp.c */
+extern int execvp_noalloc(char *buf, const char *file, char *const argv[]);
/* helper.c */
extern int run_helper(void (*pre_exec)(void *), void *pre_data, char **argv,
unsigned long *stack_out);
diff --git a/arch/um/include/sysdep-i386/barrier.h b/arch/um/include/sysdep-i386/barrier.h
new file mode 100644
index 000000000000..b58d52c5b2f4
--- /dev/null
+++ b/arch/um/include/sysdep-i386/barrier.h
@@ -0,0 +1,9 @@
+#ifndef __SYSDEP_I386_BARRIER_H
+#define __SYSDEP_I386_BARRIER_H
+
+/* Copied from include/asm-i386 for use by userspace. i386 has the option
+ * of using mfence, but I'm just using this, which works everywhere, for now.
+ */
+#define mb() asm volatile("lock; addl $0,0(%esp)")
+
+#endif
diff --git a/arch/um/include/sysdep-i386/checksum.h b/arch/um/include/sysdep-i386/checksum.h
index 052bb061a978..0cb4645cbeb8 100644
--- a/arch/um/include/sysdep-i386/checksum.h
+++ b/arch/um/include/sysdep-i386/checksum.h
@@ -20,8 +20,7 @@
*
* it's best to have buff aligned on a 32-bit boundary
*/
-unsigned int csum_partial(const unsigned char * buff, int len,
- unsigned int sum);
+__wsum csum_partial(const void *buff, int len, __wsum sum);
/*
* Note: when you get a NULL pointer exception here this means someone
@@ -32,8 +31,8 @@ unsigned int csum_partial(const unsigned char * buff, int len,
*/
static __inline__
-unsigned int csum_partial_copy_nocheck(const unsigned char *src, unsigned char *dst,
- int len, int sum)
+__wsum csum_partial_copy_nocheck(const void *src, void *dst,
+ int len, __wsum sum)
{
memcpy(dst, src, len);
return csum_partial(dst, len, sum);
@@ -48,36 +47,25 @@ unsigned int csum_partial_copy_nocheck(const unsigned char *src, unsigned char *
*/
static __inline__
-unsigned int csum_partial_copy_from_user(const unsigned char __user *src,
- unsigned char *dst,
- int len, int sum, int *err_ptr)
+__wsum csum_partial_copy_from_user(const void __user *src, void *dst,
+ int len, __wsum sum, int *err_ptr)
{
- if(copy_from_user(dst, src, len)){
+ if (copy_from_user(dst, src, len)) {
*err_ptr = -EFAULT;
- return(-1);
+ return (__force __wsum)-1;
}
return csum_partial(dst, len, sum);
}
/*
- * These are the old (and unsafe) way of doing checksums, a warning message
- * will be printed if they are used and an exception occurs.
- *
- * these functions should go away after some time.
- */
-
-#define csum_partial_copy_fromuser csum_partial_copy_from_user
-
-/*
* This is a version of ip_compute_csum() optimized for IP headers,
* which always checksum on 4 octet boundaries.
*
* By Jorge Cwik <jorge@laser.satlink.net>, adapted for linux by
* Arnt Gulbrandsen.
*/
-static inline unsigned short ip_fast_csum(unsigned char * iph,
- unsigned int ihl)
+static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl)
{
unsigned int sum;
@@ -105,29 +93,29 @@ static inline unsigned short ip_fast_csum(unsigned char * iph,
: "=r" (sum), "=r" (iph), "=r" (ihl)
: "1" (iph), "2" (ihl)
: "memory");
- return sum;
+ return (__force __sum16)sum;
}
/*
* Fold a partial checksum
*/
-static inline unsigned int csum_fold(unsigned int sum)
+static inline __sum16 csum_fold(__wsum sum)
{
__asm__(
"addl %1, %0 ;\n"
"adcl $0xffff, %0 ;\n"
: "=r" (sum)
- : "r" (sum << 16), "0" (sum & 0xffff0000)
+ : "r" ((__force u32)sum << 16),
+ "0" ((__force u32)sum & 0xffff0000)
);
- return (~sum) >> 16;
+ return (__force __sum16)(~(__force u32)sum >> 16);
}
-static inline unsigned long csum_tcpudp_nofold(unsigned long saddr,
- unsigned long daddr,
+static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
unsigned short len,
unsigned short proto,
- unsigned int sum)
+ __wsum sum)
{
__asm__(
"addl %1, %0 ;\n"
@@ -135,7 +123,7 @@ static inline unsigned long csum_tcpudp_nofold(unsigned long saddr,
"adcl %3, %0 ;\n"
"adcl $0, %0 ;\n"
: "=r" (sum)
- : "g" (daddr), "g"(saddr), "g"((ntohs(len)<<16)+proto*256), "0"(sum));
+ : "g" (daddr), "g"(saddr), "g"((len + proto) << 8), "0"(sum));
return sum;
}
@@ -143,11 +131,10 @@ static inline unsigned long csum_tcpudp_nofold(unsigned long saddr,
* 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,
+static inline __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr,
unsigned short len,
unsigned short proto,
- unsigned int sum)
+ __wsum sum)
{
return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum));
}
@@ -157,17 +144,16 @@ static inline unsigned short int csum_tcpudp_magic(unsigned long saddr,
* in icmp.c
*/
-static inline unsigned short ip_compute_csum(unsigned char * buff, int len)
+static inline __sum16 ip_compute_csum(const void *buff, int len)
{
return csum_fold (csum_partial(buff, len, 0));
}
#define _HAVE_ARCH_IPV6_CSUM
-static __inline__ unsigned short int csum_ipv6_magic(struct in6_addr *saddr,
- struct in6_addr *daddr,
- __u32 len,
- unsigned short proto,
- unsigned int sum)
+static __inline__ __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
+ const struct in6_addr *daddr,
+ __u32 len, unsigned short proto,
+ __wsum sum)
{
__asm__(
"addl 0(%1), %0 ;\n"
@@ -192,14 +178,14 @@ static __inline__ unsigned short int csum_ipv6_magic(struct in6_addr *saddr,
* Copy and checksum to user
*/
#define HAVE_CSUM_COPY_USER
-static __inline__ unsigned int csum_and_copy_to_user(const unsigned char *src,
- unsigned char __user *dst,
- int len, int sum, int *err_ptr)
+static __inline__ __wsum csum_and_copy_to_user(const void *src,
+ void __user *dst,
+ int len, __wsum sum, int *err_ptr)
{
- if (access_ok(VERIFY_WRITE, dst, len)){
- if(copy_to_user(dst, src, len)){
+ if (access_ok(VERIFY_WRITE, dst, len)) {
+ if (copy_to_user(dst, src, len)) {
*err_ptr = -EFAULT;
- return(-1);
+ return (__force __wsum)-1;
}
return csum_partial(src, len, sum);
@@ -208,7 +194,7 @@ static __inline__ unsigned int csum_and_copy_to_user(const unsigned char *src,
if (len)
*err_ptr = -EFAULT;
- return -1; /* invalid checksum */
+ return (__force __wsum)-1; /* invalid checksum */
}
#endif
diff --git a/arch/um/include/sysdep-i386/ptrace.h b/arch/um/include/sysdep-i386/ptrace.h
index 6670cc992ecb..52b398bcafcf 100644
--- a/arch/um/include/sysdep-i386/ptrace.h
+++ b/arch/um/include/sysdep-i386/ptrace.h
@@ -75,7 +75,7 @@ union uml_pt_regs {
#endif
#ifdef UML_CONFIG_MODE_SKAS
struct skas_regs {
- unsigned long regs[HOST_FRAME_SIZE];
+ unsigned long regs[MAX_REG_NR];
unsigned long fp[HOST_FP_SIZE];
unsigned long xfp[HOST_XFP_SIZE];
struct faultinfo faultinfo;
diff --git a/arch/um/include/sysdep-i386/stub.h b/arch/um/include/sysdep-i386/stub.h
index b492b12b4a10..4fffae75ba53 100644
--- a/arch/um/include/sysdep-i386/stub.h
+++ b/arch/um/include/sysdep-i386/stub.h
@@ -9,6 +9,7 @@
#include <sys/mman.h>
#include <asm/ptrace.h>
#include <asm/unistd.h>
+#include <asm/page.h>
#include "stub-data.h"
#include "kern_constants.h"
#include "uml-config.h"
diff --git a/arch/um/include/sysdep-x86_64/barrier.h b/arch/um/include/sysdep-x86_64/barrier.h
new file mode 100644
index 000000000000..7b610befdc8f
--- /dev/null
+++ b/arch/um/include/sysdep-x86_64/barrier.h
@@ -0,0 +1,7 @@
+#ifndef __SYSDEP_X86_64_BARRIER_H
+#define __SYSDEP_X86_64_BARRIER_H
+
+/* Copied from include/asm-x86_64 for use by userspace. */
+#define mb() asm volatile("mfence":::"memory")
+
+#endif
diff --git a/arch/um/include/sysdep-x86_64/checksum.h b/arch/um/include/sysdep-x86_64/checksum.h
index ea97005af694..a5be9031ea85 100644
--- a/arch/um/include/sysdep-x86_64/checksum.h
+++ b/arch/um/include/sysdep-x86_64/checksum.h
@@ -9,8 +9,7 @@
#include "linux/in6.h"
#include "asm/uaccess.h"
-extern unsigned csum_partial(const unsigned char *buff, unsigned len,
- unsigned sum);
+extern __wsum csum_partial(const void *buff, int len, __wsum sum);
/*
* Note: when you get a NULL pointer exception here this means someone
@@ -21,21 +20,21 @@ extern unsigned csum_partial(const unsigned char *buff, unsigned len,
*/
static __inline__
-unsigned int csum_partial_copy_nocheck(const unsigned char *src, unsigned char *dst,
- int len, int sum)
+__wsum csum_partial_copy_nocheck(const void *src, void *dst,
+ int len, __wsum sum)
{
memcpy(dst, src, len);
return(csum_partial(dst, len, sum));
}
static __inline__
-unsigned int csum_partial_copy_from_user(const unsigned char *src,
- unsigned char *dst, int len, int sum,
+__wsum csum_partial_copy_from_user(const void __user *src,
+ void *dst, int len, __wsum sum,
int *err_ptr)
{
- if(copy_from_user(dst, src, len)){
+ if (copy_from_user(dst, src, len)) {
*err_ptr = -EFAULT;
- return(-1);
+ return (__force __wsum)-1;
}
return csum_partial(dst, len, sum);
}
@@ -48,15 +47,16 @@ unsigned int csum_partial_copy_from_user(const unsigned char *src,
* the last step before putting a checksum into a packet.
* Make sure not to mix with 64bit checksums.
*/
-static inline unsigned int csum_fold(unsigned int sum)
+static inline __sum16 csum_fold(__wsum sum)
{
__asm__(
" addl %1,%0\n"
" adcl $0xffff,%0"
: "=r" (sum)
- : "r" (sum << 16), "0" (sum & 0xffff0000)
+ : "r" ((__force u32)sum << 16),
+ "0" ((__force u32)sum & 0xffff0000)
);
- return (~sum) >> 16;
+ return (__force __sum16)(~(__force u32)sum >> 16);
}
/**
@@ -70,28 +70,27 @@ static inline unsigned int csum_fold(unsigned int sum)
* Returns the pseudo header checksum the input data. Result is
* 32bit unfolded.
*/
-static inline unsigned long
-csum_tcpudp_nofold(unsigned saddr, unsigned daddr, unsigned short len,
- unsigned short proto, unsigned int sum)
+static inline __wsum
+csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len,
+ unsigned short proto, __wsum sum)
{
asm(" addl %1, %0\n"
" adcl %2, %0\n"
" adcl %3, %0\n"
" adcl $0, %0\n"
: "=r" (sum)
- : "g" (daddr), "g" (saddr), "g" ((ntohs(len)<<16)+proto*256), "0" (sum));
- return sum;
+ : "g" (daddr), "g" (saddr), "g" ((len + proto) << 8), "0" (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)
+static inline __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr,
+ unsigned short len,
+ unsigned short proto,
+ __wsum sum)
{
return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum));
}
@@ -101,7 +100,7 @@ static inline unsigned short int csum_tcpudp_magic(unsigned long saddr,
* iph: ipv4 header
* ihl: length of header / 4
*/
-static inline unsigned short ip_fast_csum(unsigned char *iph, unsigned int ihl)
+static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl)
{
unsigned int sum;
@@ -128,7 +127,7 @@ static inline unsigned short ip_fast_csum(unsigned char *iph, unsigned int ihl)
: "=r" (sum), "=r" (iph), "=r" (ihl)
: "1" (iph), "2" (ihl)
: "memory");
- return(sum);
+ return (__force __sum16)sum;
}
static inline unsigned add32_with_carry(unsigned a, unsigned b)
@@ -140,6 +139,6 @@ static inline unsigned add32_with_carry(unsigned a, unsigned b)
return a;
}
-extern unsigned short ip_compute_csum(unsigned char * buff, int len);
+extern __sum16 ip_compute_csum(const void *buff, int len);
#endif
diff --git a/arch/um/include/sysdep-x86_64/ptrace.h b/arch/um/include/sysdep-x86_64/ptrace.h
index 617bb9efc934..66cb400c2c92 100644
--- a/arch/um/include/sysdep-x86_64/ptrace.h
+++ b/arch/um/include/sysdep-x86_64/ptrace.h
@@ -108,7 +108,7 @@ union uml_pt_regs {
* file size, while i386 uses FRAME_SIZE. Therefore, we need
* to use UM_FRAME_SIZE here instead of HOST_FRAME_SIZE.
*/
- unsigned long regs[UM_FRAME_SIZE];
+ unsigned long regs[MAX_REG_NR];
unsigned long fp[HOST_FP_SIZE];
struct faultinfo faultinfo;
long syscall;
diff --git a/arch/um/include/um_malloc.h b/arch/um/include/um_malloc.h
new file mode 100644
index 000000000000..0363a9b53f8d
--- /dev/null
+++ b/arch/um/include/um_malloc.h
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) 2005 Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
+ * Licensed under the GPL
+ */
+
+#ifndef __UM_MALLOC_H__
+#define __UM_MALLOC_H__
+
+extern void *um_kmalloc(int size);
+extern void *um_kmalloc_atomic(int size);
+extern void kfree(const void *ptr);
+
+extern void *um_vmalloc(int size);
+extern void *um_vmalloc_atomic(int size);
+extern void vfree(void *ptr);
+
+#endif /* __UM_MALLOC_H__ */
diff --git a/arch/um/include/user.h b/arch/um/include/user.h
index 39f8c8801076..acadce3f271f 100644
--- a/arch/um/include/user.h
+++ b/arch/um/include/user.h
@@ -11,17 +11,11 @@ extern void panic(const char *fmt, ...)
extern int printk(const char *fmt, ...)
__attribute__ ((format (printf, 1, 2)));
extern void schedule(void);
-extern void *um_kmalloc(int size);
-extern void *um_kmalloc_atomic(int size);
-extern void kfree(void *ptr);
extern int in_aton(char *str);
extern int open_gdb_chan(void);
/* These use size_t, however unsigned long is correct on both i386 and x86_64. */
extern unsigned long strlcpy(char *, const char *, unsigned long);
extern unsigned long strlcat(char *, const char *, unsigned long);
-extern void *um_vmalloc(int size);
-extern void *um_vmalloc_atomic(int size);
-extern void vfree(void *ptr);
#endif
diff --git a/arch/um/include/user_util.h b/arch/um/include/user_util.h
index 802d7842514d..06625fefef33 100644
--- a/arch/um/include/user_util.h
+++ b/arch/um/include/user_util.h
@@ -52,7 +52,6 @@ extern int linux_main(int argc, char **argv);
extern void set_cmdline(char *cmd);
extern void input_cb(void (*proc)(void *), void *arg, int arg_len);
extern int get_pty(void);
-extern void *um_kmalloc(int size);
extern int switcheroo(int fd, int prot, void *from, void *to, int size);
extern void do_exec(int old_pid, int new_pid);
extern void tracer_panic(char *msg, ...)
generated by cgit v1.2.3 (git 2.0.4) at 2024-10-03 00:20:11 +0000