Changeset 502 for trunk/softs

Timestamp:

Aug 29, 2013, 12:18:45 PM (11 years ago)

Author:

bouyer

Message:

Print a version string at execution, dynamically computed at link time.
The version string includes: content of ./version, builder and date,
and svn revision.
This helps to know which version we're really executing ...

Location:

trunk/softs/tsar_boot

Files:

• Makefile (modified) (1 diff)
• src/reset.S (modified) (2 diffs)
• version (added)
• version.sh (added)

trunk/softs/tsar_boot/Makefile

@@ -72 +72 @@
 all: $(TARGET)
 
-$(TARGET): $(BUILD_DIR) $(OBJS) $(PLATFORM_DIR)/ldscript $(BUILD_DIR)/platform.ld
+$(BUILD_DIR)/version.o: $(BUILD_DIR) $(OBJS) version version.sh
+        $(ECHO) "[version.sh]"
+        ./version.sh > $(BUILD_DIR)/version.c
+        $(ECHO) "[   CC    ]     $(BUILD_DIR)/version.c"
+        $(CC) $(DEFS) $(CFLAGS) $(INCLUDE) -c -o $@ $(BUILD_DIR)/version.c
+        $(DU) -D $@ > $@.txt
+
+$(TARGET): $(BUILD_DIR) $(BUILD_DIR)/version.o $(OBJS) $(PLATFORM_DIR)/ldscript $(BUILD_DIR)/platform.ld
         $(ECHO) "[   LD    ]     $@"
-        $(LD) -o $@ -T $(PLATFORM_DIR)/ldscript $(OBJS)
+        $(LD) -o $@ -T $(PLATFORM_DIR)/ldscript $(OBJS) $(BUILD_DIR)/version.o
         $(DU) -D $@ > $@.txt
 

trunk/softs/tsar_boot/src/reset.S

@@ -39 +39 @@
     .extern boot_putd
     .extern boot_ioc_init
+    .extern versionstr
 
     .globl  boot                    /* Make reset an external symbol */
@@ -142 +143 @@
     addu    sp,     k1,     k0      /* sp <= seg_stack_base + BOOT_STACK_SIZE */
 
+    la      a0,     versionstr
+    la      k0,     boot_puts
+    jalr    k0
+    nop
+
 #ifndef SOCLIB_IOC