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root/cebix/SheepShaver/src/Unix/ppc_asm.S

Comparing SheepShaver/src/Unix/ppc_asm.S (file contents):
Revision 1.9 by gbeauche, 2006-05-03T22:11:49Z vs.
Revision 1.10 by asvitkine, 2009-08-18T18:26:11Z

#	Line 489 | Line 489 | C_SYMBOL_NAME(jump_to_rom):
489		stw     r1,XLM_EMUL_RETURN_STACK(0)
490
491		// Preset registers for ROM boot routine
492	<	lis     r3,0x40b0               // Pointer to ROM boot structure
493	<	ori     r3,r3,0xd000
492	>	lis   r3,ASM_HA16(C_SYMBOL_NAME(ROMBase))               // Pointer to ROM boot structure:
493	>	lwz   r3,ASM_LO16(C_SYMBOL_NAME(ROMBase))(r3)   //    r3 = ROMBase + 0x30d000
494	>	addis r3,r3,ASM_HA16(0x30d000)
495	>	addi  r3,r3,ASM_LO16(0x30d000)
496
497		// 68k emulator is now active
498		li      r0,MODE_68K
#	Line 887 | Line 889 | C_SYMBOL_NAME(ASM_MACRO_ARG0):
889
890		// Atomically increase stack_id
891		lis     r19,ASM_HA16(ASM_MACRO_ARG2)
892	<	la      r19,ASM_LO16(ASM_MACRO_ARG2,r19)
892	>	la      r19,ASM_LO16(ASM_MACRO_ARG2)(r19)
893		li      r4,1
894		mr      r3,r19
895		bl      C_SYMBOL_NAME(atomic_add)
#	Line 897 | Line 899 | C_SYMBOL_NAME(ASM_MACRO_ARG0):
899		// ID was 0, we can use the local stack
900		lis     r9,ASM_HA16(ASM_MACRO_ARG1)
901		lis     r3,(SIG_STACK_SIZE>>16)
902	<	la      r9,ASM_LO16(ASM_MACRO_ARG1,r9)
902	>	la      r9,ASM_LO16(ASM_MACRO_ARG1)(r9)
903		addi    r3,r3,((SIG_STACK_SIZE&0xffff)-64)
904		add     r1,r9,r3
905

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