cosmetic: arm: fix comments in arch/arm/lib/crt0.S

[u-boot] / examples / standalone / stubs.c

diff --git a/examples/standalone/stubs.c b/examples/standalone/stubs.c
index a6add6abcd4c433f1a580a976b3b7a973ec87cc1..8fb17653b0d22cf9023dc23cdaceeed4ee090f6e 100644 (file)
--- a/examples/standalone/stubs.c
+++ b/examples/standalone/stubs.c
@@ -181,6 +181,20 @@ gd_t *global_data;
 "      lwi     $r16, [$r16 + (%1)]\n"  \
 "      jr      $r16\n"                 \
        : : "i"(offsetof(gd_t, jt)), "i"(XF_ ## x * sizeof(void *)) : "$r16");
+#elif defined(CONFIG_OPENRISC)
+/*
+ * r10 holds the pointer to the global_data, r13 is a call-clobbered
+ * register
+ */
+#define EXPORT_FUNC(x) \
+       asm volatile (                  \
+"      .globl " #x "\n"                \
+#x ":\n"                               \
+"      l.lwz   r13, %0(r10)\n" \
+"      l.lwz   r13, %1(r13)\n" \
+"      l.jr    r13\n"          \
+"      l.nop\n"                                \
+       : : "i"(offsetof(gd_t, jt)), "i"(XF_ ## x * sizeof(void *)) : "r13");
 #else
 /*"    addi    $sp, $sp, -24\n"        \
 "      br      $r16\n"                 \*/
@@ -203,16 +217,15 @@ void __attribute__((unused)) dummy(void)
 #include <_exports.h>
 }
 
-extern unsigned long __bss_start, _end;
+#include <asm/sections.h>
 
 void app_startup(char * const *argv)
 {
-       unsigned char * cp = (unsigned char *) &__bss_start;
+       char *cp = __bss_start;
 
        /* Zero out BSS */
-       while (cp < (unsigned char *)&_end) {
+       while (cp < _end)
                *cp++ = 0;
-       }
 
 #if defined(CONFIG_X86)
        /* x86 does not have a dedicated register for passing global_data */