From 702c5f5b42e975c35a94f1ae3d39a77815f36f70 Mon Sep 17 00:00:00 2001
From: Joel Sherrill <joel.sherrill@OARcorp.com>
Date: Wed, 27 Oct 1999 15:29:18 +0000
Subject: The rxgen960 BSP and i960 RPM support was submitted by Mark Bronson
 <mark@ramix.com> of RAMIX.

---
 .../lib/libbsp/i960/rxgen960/startup/rxgen_romld.s | 119 +++++++++++++++++++++
 1 file changed, 119 insertions(+)
 create mode 100644 c/src/lib/libbsp/i960/rxgen960/startup/rxgen_romld.s

(limited to 'c/src/lib/libbsp/i960/rxgen960/startup/rxgen_romld.s')

diff --git a/c/src/lib/libbsp/i960/rxgen960/startup/rxgen_romld.s b/c/src/lib/libbsp/i960/rxgen960/startup/rxgen_romld.s
new file mode 100644
index 0000000000..5567bf8774
--- /dev/null
+++ b/c/src/lib/libbsp/i960/rxgen960/startup/rxgen_romld.s
@@ -0,0 +1,119 @@
+#include "asm.h" 
+
+	BEGIN_CODE
+
+	.globl _romStart
+	.globl _start
+	.globl _romFaultStart
+	.globl _led_array
+	.text   
+SYM(romStart ): 
+SYM(_romStart ): 
+          # This line is to make compiler happy.
+	mov	0, g14
+        ldconst 0x120f,r10   # BIST register
+/*
+	 Setup code for in memory loaded image
+*/
+/*
+	  # Interrupt stack is used by default.
+	  # Copy all code (except Fault Table and Fault Handler)
+	  # from EPROM into DRAM.
+*/
+        ldconst 0x120f,r10   //# BIST register
+	ldconst 0x2,r3
+	stob	r3,0(r10)	//# 2->LED
+/*
+	  # Zero all uninitialized data
+*/
+	callx	_zeroBss
+        ldconst 0x120f,r10   //# BIST register
+	ldconst 0x3,r3
+	stob	r3,0(r10)	//# 3->LED
+/*
+	  # And reinitialize processor.
+	  # _start is a few lines below.
+	  # _prcb is RAM-based struct PRCB.
+*/
+	ldconst	0x300, r4
+	ldconst	_pmc_start, r5
+	ldconst	_ram_prcb, r6
+	sysctl	r4, r5, r6
+/*
+	  # This point will never be reached.
+*/
+
+SYM(_pmc_start) :  
+SYM(pmc_start) :  
+        ldconst 0x120f,r10   # BIST register
+	ldconst 0x4,r3
+	stob	r3,0(r10)	//# 4->LED
+	mov	0, g14
+/*
+	  # To get ready to invoke procedures.
+	  # I'll use supervisor stack.
+*/
+
+	ldconst	_svrStackPtr, fp
+	lda	16*4(fp), sp 
+	ldconst 0x5,r3
+	stob	r3,0(r10)	//# 5->LED
+
+	ldconst	0x1F0000, r4
+	ldconst	0x1F2000, r3
+	ldconst	0, r5
+	modpc	r4, r3, r5
+
+	ldconst 7,r3
+	stob	r3,0(r10)	//# 7->LED
+
+	callx	_rx_boot_card
+/*	  # if _romMain ever returns ...	*/
+	b	_romExit
+
+SYM(romFaultStart) :  
+SYM(_romFaultStart) :  
+
+	mov	0, g14
+
+	ldconst	0, sf0
+/*
+	  # To get ready to invoke procedures.
+	  # I'll use supervisor stack.
+	  # _svrStackPtr is defined directly in rom.ld.
+*/
+	ldconst	_svrStackPtr, fp
+	lda	16*4(fp), sp 
+/*
+	  # Set processor priority to zero.
+*/
+	ldconst	0x1F0000, r4
+	ldconst	0, r5
+	modpc	r4, r4, r5
+//	  # Now to real code
+// Fix this up	callx	_romFaultMain
+	callx	_rx_boot_card
+//	  # if _romMain ever returns ...	
+	b	_romExit
+
+_romExit :
+//	  # if _romMain ever returns ...
+//	fmark
+	b	_romExit
+
+
+
+SYM(led_array):
+	.byte 99
+	.byte 1
+	.byte 2
+	.byte 3
+	.byte 4
+	.byte 5
+	.byte 6
+	.byte 7
+	.byte 8
+	.byte 9
+	.byte 0xa
+	.byte 0xb
+	.byte 0xc
-- 
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