Path: chuka.playstation.co.uk!news
From: Mark Couvillion <couv@austin.metrowerks.com>
Newsgroups: scee.yaroze.programming.codewarrior
Subject: Re: C++ (Fix)  (LONG)
Date: Wed, 02 Apr 1997 15:13:02 -0500
Organization: Metrowerks Corp.
Lines: 178
Message-ID: <3342BDCD.2EE6@austin.metrowerks.com>
References: <01bc242f$3feeaac0$c793989e@fourny.demon.co.uk>
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grim wrote:

**SNIP**

> 1 how do I get rid of the 'illegal operand __static_init' in _psstart.c.
> This is only called for C++ so where is it defined or what should it be
> defined to??
> 
> 2 How do I get around the fact that sony has (horrors!) a 'delete' function
> in libps? Oddly enough, this gives me a compile error.
> 
> thanks
> 
> Graeme

Hi Graeme,

Try pasting this in the place of the _psstart.c.  Make sure you keep a
clean copy of the original (just in case).  This should fix the
problems.  Let me know if it doesnt.

Mark
Metrowerks Corporation

/*
 *	_psstart.c	- Startup Routine for the Sony PlayStation
 *
 *	Copyright © 1996 metrowerks inc. All Rights Reserved.
 *
 */

/************************************************************/
/*
						*/
/* This file must be the first file in the project.			*/
/*
						*/
/************************************************************/

///////////////////////inserted code for C++ Activation

#pragma cplusplus on
#ifdef __cplusplus
extern "C" void __static_init();
extern "C" void InitHeap();
#else
extern void InitHeap();
#endif

extern void main();

#ifdef __cplusplus
extern "C" void __start(void);
#else
asm void __start(void);
#endif

/////////////////////////End code segment////////////
/*
extern void main();
extern void InitHeap();

#ifdef __cplusplus
extern "C" void __start(void);
#else
asm void __start(void);
#endif
*/
asm void __start(void)
{
	.set	reorder

	/* Initialize all the registers to 0*/
	move	t0,zero
	move	v0,t0
	move	v1,t0

	move	a0,t0
	move	a1,t0
	move	a2,t0
	move	a3,t0

	move	t1,t0
	move	t2,t0
	move	t3,t0
	move	t4,t0
	move	t5,t0
	move	t6,t0
	move	t7,t0
	move	t8,t0
	move	t9,t0

	move	s1,t0
	move	s1,t0
	move	s2,t0
	move	s3,t0
	move	s4,t0
	move	s5,t0
	move	s6,t0
	move	s7,t0
	move	fp,t0	// s8

	move	k0,t0
	move	k1,t0

	/* Initialize sp
				*/
	li		sp,_stack_addr

	/* Set the global pointer.  _gp is know by the 			*/
	/* linker and the assembler
			*/
	li		gp,_gp

    /* Initialize the .sbss and the .bss sections to 0              */
    li      t0,_sbss_addr   /* .sbss address                        */
    li      t1,_sbss_size   /* .sbss size                           */
L2:
    beq     t1,0,L1         /* size is a word size                  */
    sw      zero,0(t0)
    addiu   t0,t0,4
    addiu   t1,t1,-4
    b       L2
L1:

    li       t0,_bss_addr    /* .bss address                        */
    li       t1,_bss_size    /* .bss size                           */
L3:
    beq      t1,0,L4         /* size is a word size                 */
    sw       zero,0(t0)
    addiu    t0,t0,4
    addiu    t1,t1,-4
    b        L3
L4:

	/* initialize the heap to the area between the end of .bss & bottom
of stack */
//	li		a0,_bss_addr
//	li		at,_bss_size
//	addu	a0,a0,at		/* calculate end of .bss section */
//
//	addi	a0,a0,15		/* round up to even multiple of 16 */
//	addiu	at,zero,-16
//	and		a0,a0,at
//
//	li		a1,_stack_addr
//	li		at,_stack_size
//	sll		at,at,10
//	subu	a1,a1,at		/* calculate bottom of stack */
//	subu	a1,a1,a0		/* find distance from top of .bss
to bottom of stack */
//
//	jal		InitHeap		/* call InitHeap to set it
up */
//	nop

#ifdef __cplusplus
	/* For C++, calls all the static initializers			*/
	la		t0,__static_init
	jalr	ra,t0
#endif

	/* last but not least, set up for co-pro 2 */
	mfc0	t0,12
	lui		t1,0x4000
	or		t0,t0,t1
	mtc0	t0,12

	/* Call the main program
			*/
	la		t0,main
	jalr	ra,t0
	nop

	/* terminate the program with a special break instruction */
	breakc	0x8201
	nop
}