Linux-2.6.12-rc2v2.6.12-rc2

Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!

1 files changed, 122 insertions, 0 deletions

diff --git a/arch/um/sys-x86_64/bugs.c b/arch/um/sys-x86_64/bugs.c
new file mode 100644
index 000000000000..fdce7ea98ca7
--- /dev/null
+++ b/arch/um/sys-x86_64/bugs.c
@@ -0,0 +1,122 @@
+/*
+ * Copyright 2003 PathScale, Inc.
+ *
+ * Licensed under the GPL
+ */
+
+#include "linux/sched.h"
+#include "linux/errno.h"
+#include "asm/system.h"
+#include "asm/pda.h"
+#include "sysdep/ptrace.h"
+#include "os.h"
+
+void arch_init_thread(void)
+{
+}
+
+void arch_check_bugs(void)
+{
+}
+
+int arch_handle_signal(int sig, union uml_pt_regs *regs)
+{
+        return(0);
+}
+
+#define MAXTOKEN 64
+
+/* Set during early boot */
+int host_has_cmov = 1;
+int host_has_xmm = 0;
+
+static char token(int fd, char *buf, int len, char stop)
+{
+        int n;
+        char *ptr, *end, c;
+
+        ptr = buf;
+        end = &buf[len];
+        do {
+                n = os_read_file(fd, ptr, sizeof(*ptr));
+                c = *ptr++;
+                if(n != sizeof(*ptr)){
+                        if(n == 0) return(0);
+                        printk("Reading /proc/cpuinfo failed, err = %d\n", -n);
+                        if(n < 0)
+                                return(n);
+                        else
+                                return(-EIO);
+                }
+        } while((c != '\n') && (c != stop) && (ptr < end));
+
+        if(ptr == end){
+                printk("Failed to find '%c' in /proc/cpuinfo\n", stop);
+                return(-1);
+        }
+        *(ptr - 1) = '\0';
+        return(c);
+}
+
+static int find_cpuinfo_line(int fd, char *key, char *scratch, int len)
+{
+        int n;
+        char c;
+
+        scratch[len - 1] = '\0';
+        while(1){
+                c = token(fd, scratch, len - 1, ':');
+                if(c <= 0)
+                        return(0);
+                else if(c != ':'){
+                        printk("Failed to find ':' in /proc/cpuinfo\n");
+                        return(0);
+                }
+
+                if(!strncmp(scratch, key, strlen(key)))
+                        return(1);
+
+                do {
+                        n = os_read_file(fd, &c, sizeof(c));
+                        if(n != sizeof(c)){
+                                printk("Failed to find newline in "
+                                       "/proc/cpuinfo, err = %d\n", -n);
+                                return(0);
+                        }
+                } while(c != '\n');
+        }
+        return(0);
+}
+
+int cpu_feature(char *what, char *buf, int len)
+{
+        int fd, ret = 0;
+
+        fd = os_open_file("/proc/cpuinfo", of_read(OPENFLAGS()), 0);
+        if(fd < 0){
+                printk("Couldn't open /proc/cpuinfo, err = %d\n", -fd);
+                return(0);
+        }
+
+        if(!find_cpuinfo_line(fd, what, buf, len)){
+                printk("Couldn't find '%s' line in /proc/cpuinfo\n", what);
+                goto out_close;
+        }
+
+        token(fd, buf, len, '\n');
+        ret = 1;
+
+ out_close:
+        os_close_file(fd);
+        return(ret);
+}
+
+/* Overrides for Emacs so that we follow Linus's tabbing style.
+ * Emacs will notice this stuff at the end of the file and automatically
+ * adjust the settings for this buffer only.  This must remain at the end
+ * of the file.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-file-style: "linux"
+ * End:
+ */