Miscellaneous touch-ups

src/GL/primitive.c

@@ -260,7 +260,7 @@ void gl_reset_vertex_cache()
 
 bool gl_check_vertex_cache(uint32_t id, uint8_t *cache_index, bool lock)
 {
-    const uint32_t INFINITE_AGE = 0xFFFFFFFF;
+    const uint32_t INFINITE_AGE = 0xFFFFFFFF; // infinitely recent
 
     bool miss = true;
 

src/console.c

@@ -197,7 +197,7 @@ void console_init()
 /**
  * @brief Close the console
  *
- * Free the console system.  This will clean up any dynamic memry that was in
+ * Free the console system.  This will clean up any dynamic memory that was in
  * use.
  */
 void console_close()

src/entrypoint.S

@@ -36,7 +36,7 @@ _start:
 	li t0, 0x7C0000
 
 .Lset_sp:
-	li t1, 0x7FFFFFF0
+	li t1, 0x80000000 - 0x10	/* sp = KSEG0 + memsize - 0x10 */
 	addu sp,t0,t1				/* init stack */
 	la gp, _gp					/* init data pointer */
 	li v0, 8

src/inthandler.S

@@ -28,7 +28,7 @@ inthandler:
 # So we keep 0-31 empty, and we start saving GPRs from 32, and then FPR. See
 # the other macros to see the actual layout.
 #
-# *NOTE*: this layout is also exposed in C via regblock_t in exception.h
+# *NOTE*: this layout is also exposed in C via reg_block_t in exception.h
 # Please keep in sync!
 #define EXC_STACK_SIZE (544+32)
 #define STACK_GPR      32

src/n64sys.c

@@ -110,7 +110,8 @@ void __data_cache_hit_invalidate(volatile void * addr, unsigned long length)
 /**
  * @brief Force a data cache writeback invalidate over a memory region
  *
- * Use this to force cached memory to be written to RDRAM and then cache updated.
+ * Use this to force cached memory to be written to RDRAM
+ * and then invalidate the corresponding cache lines.
  *
  * @param[in] addr
  *            Pointer to memory in question