Fix comments

Signed-off-by: Lup Yuen Lee <luppy@appkaki.com>

Author: lupyuen

arch/risc-v/src/eic7700x/chip.h

@@ -59,8 +59,8 @@ extern int g_eic7700x_boot_hart;
  * Name: setintstack
  *
  * Description:
- *   Set the current stack pointer to the  "top" the correct interrupt stack
- *   for the current CPU.
+ *   Set the current stack pointer to the "top" of the correct interrupt
+ *   stack for the current CPU.
  *
  ****************************************************************************/
 

arch/risc-v/src/eic7700x/eic7700x_allocateheap.c

@@ -65,8 +65,8 @@
  *   IDLE thread stack.  Size determined by CONFIG_IDLETHREAD_STACKSIZE.
  *   Heap.  Extends to the end of User SRAM.
  *
- *   The following memory map is assumed for the protect build.
- *   The kernel and user space have it's own dedicated heap space.
+ *   The following memory map is assumed for the protected build.
+ *   The kernel and user space have their own dedicated heap spaces.
  *
  *   User .data region         Size determined at link time
  *   User .bss region          Size determined at link time

arch/risc-v/src/eic7700x/eic7700x_start.c

@@ -300,30 +300,28 @@ void eic7700x_start_s(int mhartid)
       goto cpux;
     }
 
-  /* Boot Hart starts here */
+  /* Boot Hart starts here. Init the UART Driver. */
 
   showprogress('A');
 
 #ifdef USE_EARLYSERIALINIT
   riscv_earlyserialinit();
 #endif
 
-  showprogress('B');
-
-  /* Do board initialization */
-
-  showprogress('C');
-
   /* Setup page tables for kernel and enable MMU */
 
+  showprogress('B');
   eic7700x_mm_init();
 
-  /* Call nx_start() */
+  /* Start NuttX */
 
+  showprogress('C');
   nx_start();
 
 cpux:
 
+  /* Non-Boot Hart starts here. Init the CPU for the Hart. */
+
 #ifdef CONFIG_SMP
   riscv_cpu_boot(mhartid);
 #endif