first commit

2026-04-14 00:56:31 +09:00
parent 28740cdb3b
commit 377e0ffdce
685 changed files with 186235 additions and 0 deletions
--- a/Lib/asm/DSP28xxx_SectionCopy_nonBIOS.asm
+++ b/Lib/asm/DSP28xxx_SectionCopy_nonBIOS.asm
@@ -0,0 +1,88 @@
+;############################################################################
+;
+; FILE:   DSP28xxx_SectionCopy_nonBIOS.asm
+;
+; DESCRIPTION:  Provides functionality for copying intialized sections from 
+;				flash to ram at runtime before entering the _c_int00 startup
+;				routine
+;############################################################################
+; Author: Tim Love
+; Release Date: March 2008	
+;############################################################################
+
+
+	.ref _c_int00
+	.global copy_sections
+	.global _cinit_loadstart, _cinit_runstart, _cinit_size
+	.global _const_loadstart, _const_runstart, _const_size
+	.global _econst_loadstart, _econst_runstart, _econst_size
+	.global _pinit_loadstart, _pinit_runstart, _pinit_size
+	.global _switch_loadstart, _switch_runstart, _switch_size
+	.global _text_loadstart, _text_runstart, _text_size
+	
+***********************************************************************
+* Function: copy_sections
+*
+* Description: Copies initialized sections from flash to ram
+***********************************************************************
+
+	.sect "copysections"
+
+copy_sections:
+
+
+	MOVL XAR5,#_cinit_size				; Store Section Size in XAR5
+	MOVL ACC,@XAR5						; Move Section Size to ACC
+	MOVL XAR6,#_cinit_loadstart			; Store Load Starting Address in XAR6
+    MOVL XAR7,#_cinit_runstart			; Store Run Address in XAR7
+    LCR  copy							; Branch to Copy
+
+	MOVL XAR5,#_const_size				; Store Section Size in XAR5
+	MOVL ACC,@XAR5						; Move Section Size to ACC
+	MOVL XAR6,#_const_loadstart			; Store Load Starting Address in XAR6
+    MOVL XAR7,#_const_runstart			; Store Run Address in XAR7
+    LCR  copy							; Branch to Copy
+
+	MOVL XAR5,#_econst_size				; Store Section Size in XAR5
+	MOVL ACC,@XAR5						; Move Section Size to ACC
+	MOVL XAR6,#_econst_loadstart		; Store Load Starting Address in XAR6
+    MOVL XAR7,#_econst_runstart			; Store Run Address in XAR7
+    LCR  copy							; Branch to Copy
+
+	MOVL XAR5,#_pinit_size				; Store Section Size in XAR5
+	MOVL ACC,@XAR5						; Move Section Size to ACC
+	MOVL XAR6,#_pinit_loadstart			; Store Load Starting Address in XAR6
+    MOVL XAR7,#_pinit_runstart			; Store Run Address in XAR7
+    LCR  copy							; Branch to Copy 
+
+	MOVL XAR5,#_switch_size				; Store Section Size in XAR5
+	MOVL ACC,@XAR5						; Move Section Size to ACC
+	MOVL XAR6,#_switch_loadstart		; Store Load Starting Address in XAR6
+    MOVL XAR7,#_switch_runstart			; Store Run Address in XAR7
+    LCR  copy							; Branch to Copy
+
+	MOVL XAR5,#_text_size				; Store Section Size in XAR5
+	MOVL ACC,@XAR5						; Move Section Size to ACC
+	MOVL XAR6,#_text_loadstart			; Store Load Starting Address in XAR6
+    MOVL XAR7,#_text_runstart			; Store Run Address in XAR7
+    LCR  copy							; Branch to Copy
+
+	   
+  	LB _c_int00				 			; Branch to start of boot.asm in RTS library
+
+copy:	
+	B return,EQ							; Return if ACC is Zero (No section to copy)
+
+	SUBB ACC,#1
+
+    RPT AL								; Copy Section From Load Address to
+    || PWRITE  *XAR7, *XAR6++			; Run Address
+
+return:
+	LRETR								; Return
+
+	.end
+	
+;//===========================================================================
+;// End of file.
+;//===========================================================================