Refactor in order to clarify.

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@4611 38d2e660-2303-0410-9eaa-f027e97ec537

diff --git a/bertos/cpu/frame.h b/bertos/cpu/frame.h
index 117667e45e1f855a76f8ad1f0c1e740e15101b7b..7420dddd1f2379eba43885b7f53cfc9fcf2fe5ad 100644 (file)
--- a/bertos/cpu/frame.h
+++ b/bertos/cpu/frame.h
@@ -174,24 +174,19 @@
                }
                #define asm_switch_context cm3_preempt_switch_context
 
-               #define CPU_PUSH_CALL_FRAME(sp, func) \
-                       do { \
-                               CPU_PUSH_WORD((sp), 0x01000000);                /* xPSR    */   \
-                               CPU_PUSH_WORD((sp), (cpu_stack_t)(func));       /* pc      */   \
-                               CPU_PUSH_WORD((sp), 0);                         /* lr      */   \
-                               CPU_PUSH_WORD((sp), 0);                         /* ip      */   \
-                               CPU_PUSH_WORD((sp), 0);                         /* r3      */   \
-                               CPU_PUSH_WORD((sp), 0);                         /* r2      */   \
-                               CPU_PUSH_WORD((sp), 0);                         /* r1      */   \
-                               CPU_PUSH_WORD((sp), 0);                         /* r0      */   \
-                               CPU_PUSH_WORD((sp), 0xfffffffd);                /* lr_exc  */   \
-                       } while (0);
-
                #define CPU_CREATE_NEW_STACK(stack) \
                        do { \
                                size_t i; \
                                /* Initialize process stack frame */ \
-                               CPU_PUSH_CALL_FRAME(stack, proc_entry); \
+                               CPU_PUSH_WORD((stack), 0x01000000);             /* xPSR    */   \
+                               CPU_PUSH_WORD((stack), (cpu_stack_t)proc_entry);        /* pc      */   \
+                               CPU_PUSH_WORD((stack), 0);                              /* lr      */   \
+                               CPU_PUSH_WORD((stack), 0);                              /* ip      */   \
+                               CPU_PUSH_WORD((stack), 0);                              /* r3      */   \
+                               CPU_PUSH_WORD((stack), 0);                              /* r2      */   \
+                               CPU_PUSH_WORD((stack), 0);                              /* r1      */   \
+                               CPU_PUSH_WORD((stack), 0);                              /* r0      */   \
+                               CPU_PUSH_WORD((stack), 0xfffffffd);             /* lr_exc  */   \
                                /* Push a clean set of CPU registers for asm_switch_context() */ \
                                for (i = 0; i < CPU_SAVED_REGS_CNT; i++) \
                                        CPU_PUSH_WORD(stack, CPU_REG_INIT_VALUE(i)); \
@@ -251,7 +246,9 @@
                        CPU_PUSH_WORD((sp), 0);                  /* CR -> 4(SP) */ \
                } while (0)
 
-#else
+#endif
+
+#ifndef CPU_PUSH_CALL_FRAME
        #define CPU_PUSH_CALL_FRAME(sp, func) \
                CPU_PUSH_WORD((sp), (cpu_stack_t)(func))
 #endif