[commit] r1125 - trunk/openbios-devel/arch/sparc32

[repository service]

Author: mcayland
Date: Fri Apr 19 09:05:30 2013
New Revision: 1125
URL: http://tracker.coreboot.org/trac/openbios/changeset/1125

Log:
SPARC32: Remove limit on kernel command line length caused by using a static buffer

Instead use strdup() so that we can dynamically allocate the string ourselves. As
reported by Rob Landley .

Signed-off-by: Mark Cave-Ayland

Modified:
   trunk/openbios-devel/arch/sparc32/openbios.c

Modified: trunk/openbios-devel/arch/sparc32/openbios.c
==============================================================================
--- trunk/openbios-devel/arch/sparc32/openbios.c	Fri Apr 19 09:04:40 2013	(r1124)
+++ trunk/openbios-devel/arch/sparc32/openbios.c	Fri Apr 19 09:05:30 2013	(r1125)
@@ -835,8 +835,7 @@
 static void
 arch_init( void )
 {
-	static char cmdline[128];
-        int size = 0;
+	char *cmdline;
         const char *kernel_cmdline;
         uint32_t temp;
         uint16_t machine_id;
@@ -897,11 +896,11 @@

kernel_cmdline = (const char *) fw_cfg_read_i32(FW_CFG_KERNEL_CMDLINE);
         if (kernel_cmdline) {
-            size = strlen(kernel_cmdline);
-            memcpy(cmdline, kernel_cmdline, size);
+            cmdline = strdup(kernel_cmdline);
             obp_arg.argv[1] = cmdline;
-        }
-	cmdline[size] = '\0';
+        } else {
+	    cmdline = strdup("");
+	}
    qemu_cmdline = (uint32_t)cmdline;

/* Setup nvram variables */