cleanup

P-Gu · Apr 6, 2022 · 1f351dc · 1f351dc
1 parent 8ba7de6
commit 1f351dc
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Showing 3 changed files with 5 additions and 6 deletions.
diff --git a/earth/earth.S b/earth/earth.S
@@ -15,5 +15,5 @@ _enter:
  csrrc t1, mstatus, t0
 
  /* Call main() of earth.c */
- li sp, 0x08003000
+ li sp, 0x80003f80
  call main
diff --git a/earth/earth.lds b/earth/earth.lds
@@ -4,7 +4,7 @@ ENTRY(_enter)
 
 MEMORY
 {
- ram (arw!xi) : ORIGIN = 0x08000000, LENGTH = 0x2800
+ ram (arw!xi) : ORIGIN = 0x08000000, LENGTH = 0x2000
  rom (irx!wa) : ORIGIN = 0x20400000, LENGTH = 0x400000
 }
 
@@ -51,9 +51,8 @@ SECTIONS
 
  .heap (NOLOAD) : ALIGN(8) {
  PROVIDE( __heap_start = . );
- . += __heap_size;
  } >ram :ram 
- PROVIDE( __heap_end = 0x08002800 );
+ PROVIDE( __heap_end = 0x08003000 );
 
  PROVIDE( bss_start = ADDR(.bss) );
  PROVIDE( bss_end = ADDR(.bss) + SIZEOF(.bss) );

diff --git a/library/egos.h b/library/egos.h
@@ -6,7 +6,7 @@
 #define FRAME_CACHE_END 0x80020000
 #define FRAME_CACHE_START 0x80004000 /* 112KB frame cache */
  /* earth interface */
-#define GRASS_STACK_TOP 0x80003f80 /* ~8KB grass stack  */
+#define GRASS_STACK_TOP 0x80003f80 /* ~8KB earth/grass stack */
  /* grass interface */
 #define APPS_STACK_TOP 0x80002000 /* ~6KB app stack */
 #define SYSCALL_ARG 0x80000400 /* ~1KB syscall args */
@@ -16,7 +16,7 @@
 #define APPS_ENTRY 0x08005000 /* 12KB app code+data */
 #define GRASS_SIZE 0x00002000 
 #define GRASS_ENTRY 0x08003000 /* 8KB grass code+data */
- /* 12KB earth data+stack */
+ /* 12KB earth data  */
  /* earth code is in QSPI flash */
 
 struct earth {