Changeset 8044533 in rtems for c/src/exec/score/cpu/unix/cpu.h

Timestamp:

07/18/95 19:27:50 (27 years ago)

Author:

Joel Sherrill <joel.sherrill@…>

Branches:

4.10, 4.11, 4.8, 4.9, 5, master

Children:

10aed1e3

Parents:

f67ad3d

Message:

merged Linux UNIX simulator support (C)

File:

• c/src/exec/score/cpu/unix/cpu.h (modified) (3 diffs)

c/src/exec/score/cpu/unix/cpu.h

@@ -265 +265 @@
 #if defined(hppa1_1)
 #define CPU_STACK_GROWS_UP               TRUE
-#elif defined(sparc)
+#elif defined(sparc) || defined(i386)
 #define CPU_STACK_GROWS_UP               FALSE
 #else
@@ -363 +363 @@
 #endif
 
+#if defined(i386)
+ 
+#ifdef RTEMS_NEWLIB
+#error "Newlib not installed"
+#endif
+ 
+/*
+ *  For Linux 1.1
+ */
+ 
+#ifdef RTEMS_UNIXLIB
+#define EBX_OFF    0
+#define ESI_OFF    1
+#define EDI_OFF    2
+#define EBP_OFF    3
+#define ESP_OFF    4
+#define RET_OFF    5
+#endif
+ 
+#endif
+ 
 #if defined(sparc)
 
@@ -516 +537 @@
 #elif defined(sparc)
 #define CPU_FRAME_SIZE  (112)   /* based on disassembled test code */
+#elif defined(i386)
+#define CPU_FRAME_SIZE  (24)  /* return address, sp, and bp pushed plus fudge */
 #else
 #error "Unknown CPU!!!"