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authorLaurent Vivier <laurent@vivier.eu>2019-05-17 15:31:48 +0200
committerLaurent Vivier <laurent@vivier.eu>2019-05-22 20:50:55 +0200
commitfff6938264fc09e941b2e572e32fa70f7da7f884 (patch)
tree45a992f59f5274a55a569ba81cd5b86f38edcc8f
parenta4f667b6714916683408b983cfe0a615a725775f (diff)
linux-user: add pseudo /proc/cpuinfo for sparc
SPARC libc6 debian package wants to check the cpu level to be installed or not: WARNING: This machine has a SPARC V8 or earlier class processor. Debian lenny and later does not support such old hardware any longer. To avoid this, it only needs to know if the machine type is sun4u or sun4v, for that it reads the information from /proc/cpuinfo. Fixes: 9a93c152fcdb4ab2cd85094487b33578fd693915 ("linux-user: fix UNAME_MACHINE for sparc/sparc64") Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20190517133149.19593-2-laurent@vivier.eu> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
-rw-r--r--linux-user/syscall.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index efa3ec2837..68484a83e6 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -6786,12 +6786,15 @@ static int is_proc_myself(const char *filename, const char *entry)
return 0;
}
-#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
+#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) || \
+ defined(TARGET_SPARC)
static int is_proc(const char *filename, const char *entry)
{
return strcmp(filename, entry) == 0;
}
+#endif
+#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
static int open_net_route(void *cpu_env, int fd)
{
FILE *fp;
@@ -6836,6 +6839,14 @@ static int open_net_route(void *cpu_env, int fd)
}
#endif
+#if defined(TARGET_SPARC)
+static int open_cpuinfo(void *cpu_env, int fd)
+{
+ dprintf(fd, "type\t\t: sun4u\n");
+ return 0;
+}
+#endif
+
static int do_openat(void *cpu_env, int dirfd, const char *pathname, int flags, mode_t mode)
{
struct fake_open {
@@ -6852,6 +6863,9 @@ static int do_openat(void *cpu_env, int dirfd, const char *pathname, int flags,
#if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
{ "/proc/net/route", open_net_route, is_proc },
#endif
+#if defined(TARGET_SPARC)
+ { "/proc/cpuinfo", open_cpuinfo, is_proc },
+#endif
{ NULL, NULL, NULL }
};