aboutsummaryrefslogtreecommitdiffstats
path: root/arch/um/kernel/um_arch.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/um/kernel/um_arch.c')
-rw-r--r--arch/um/kernel/um_arch.c33
1 files changed, 26 insertions, 7 deletions
diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index 142a949..27cdf91 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -1,4 +1,4 @@
-/*
+/*
* Copyright (C) 2000, 2002 Jeff Dike (jdike@karaya.com)
* Licensed under the GPL
*/
@@ -146,8 +146,8 @@ void set_cmdline(char *cmd)
if(CHOOSE_MODE(honeypot, 0)) return;
- umid = get_umid(1);
- if(umid != NULL){
+ umid = get_umid();
+ if(*umid != '\0'){
snprintf(argv1_begin,
(argv1_end - argv1_begin) * sizeof(*ptr),
"(%s) ", umid);
@@ -193,6 +193,24 @@ __uml_setup("root=", uml_root_setup,
" root=/dev/ubd5\n\n"
);
+#ifndef CONFIG_MODE_TT
+
+static int __init no_skas_debug_setup(char *line, int *add)
+{
+ printf("'debug' is not necessary to gdb UML in skas mode - run \n");
+ printf("'gdb linux' and disable CONFIG_CMDLINE_ON_HOST if gdb \n");
+ printf("doesn't work as expected\n");
+
+ return 0;
+}
+
+__uml_setup("debug", no_skas_debug_setup,
+"debug\n"
+" this flag is not needed to run gdb on UML in skas mode\n\n"
+);
+
+#endif
+
#ifdef CONFIG_SMP
static int __init uml_ncpus_setup(char *line, int *add)
{
@@ -243,10 +261,6 @@ static int __init mode_tt_setup(char *line, int *add)
return(0);
}
-#else
-
-#error Either CONFIG_MODE_TT or CONFIG_MODE_SKAS must be enabled
-
#endif
#endif
#endif
@@ -363,6 +377,11 @@ int linux_main(int argc, char **argv)
uml_start = CHOOSE_MODE_PROC(set_task_sizes_tt, set_task_sizes_skas, 0,
&host_task_size, &task_size);
+ /*
+ * Setting up handlers to 'sig_info' struct
+ */
+ os_fill_handlinfo(handlinfo_kern);
+
brk_start = (unsigned long) sbrk(0);
CHOOSE_MODE_PROC(before_mem_tt, before_mem_skas, brk_start);
/* Increase physical memory size for exec-shield users