From 979657d21638fca5f19ba670ca5f71e0cd10cd9b Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Mon, 26 Nov 2001 18:16:24 +0000 Subject: 2001-11-20 Joel Sherrill * acinclude.m4: papyrus reference removed. * papyrus/.cvsignore, papyrus/ChangeLog, papyrus/Makefile.am, papyrus/README, papyrus/bsp_specs, papyrus/configure.ac, papyrus/times, papyrus/dlentry/.cvsignore, papyrus/dlentry/Makefile.am, papyrus/dlentry/dlentry.S, papyrus/flashentry/.cvsignore, papyrus/flashentry/Makefile.am, papyrus/flashentry/flashentry.S, papyrus/include/.cvsignore, papyrus/include/Makefile.am, papyrus/include/bsp.h, papyrus/include/coverhd.h, papyrus/startup/.cvsignore, papyrus/startup/Makefile.am, papyrus/startup/bspclean.c, papyrus/startup/bspstart.c, papyrus/startup/linkcmds, papyrus/startup/setvec.c, papyrus/wrapup/.cvsignore, papyrus/wrapup/Makefile.am: Deleted. --- c/src/lib/libbsp/powerpc/papyrus/dlentry/dlentry.S | 257 --------------------- 1 file changed, 257 deletions(-) delete mode 100644 c/src/lib/libbsp/powerpc/papyrus/dlentry/dlentry.S (limited to 'c/src/lib/libbsp/powerpc/papyrus/dlentry/dlentry.S') diff --git a/c/src/lib/libbsp/powerpc/papyrus/dlentry/dlentry.S b/c/src/lib/libbsp/powerpc/papyrus/dlentry/dlentry.S deleted file mode 100644 index 399d2c2072..0000000000 --- a/c/src/lib/libbsp/powerpc/papyrus/dlentry/dlentry.S +++ /dev/null @@ -1,257 +0,0 @@ -/* dlentry.s 1.0 - 95/08/08 - * - * This file contains the entry veneer for RTEMS programs - * downloaded to Papyrus. - * - * Author: Andrew Bray - * - * COPYRIGHT (c) 1995 by i-cubed ltd. - * - * To anyone who acknowledges that this file is provided "AS IS" - * without any express or implied warranty: - * permission to use, copy, modify, and distribute this file - * for any purpose is hereby granted without fee, provided that - * the above copyright notice and this notice appears in all - * copies, and that the name of i-cubed limited not be used in - * advertising or publicity pertaining to distribution of the - * software without specific, written prior permission. - * i-cubed limited makes no representations about the suitability - * of this software for any purpose. - * - * $Id$ - */ - -#include "asm.h" - -/* - * The Papyrus ELF link scripts support three special sections: - * .entry The actual entry point, this must contain less - * than 256 bytes of code/data to fit below the - * .vectors section. This always preceeds any other - * code or data. - * .vectors The section containing the interrupt entry veneers. - * .entry2 Any code overflowing from .entry - * .descriptors The PowerOpen function indirection blocks. - */ - -/* - * Downloaded code loads the vectors separately to 0x00000100, - * so .entry can be over 256 bytes. - * - * The other sections are linked in the following order: - * .entry - * .entry2 - * .text - * .descriptors - * .data - * .bss - * usually starting from 0x00020000. - * - * The initial stack is set to run BELOW the code base address. - * - * All the entry veneer has to do is to clear the BSS. - */ - -/* - * GDB likes to have debugging information for the entry veneer. - * Here is some DWARF information. - */ - -#if PPC_ASM == PPC_ASM_ELF - .section .entry,"ax",@progbits -.L_text_b: -.L_LC1: - .previous - -.section .debug_sfnames -.L_sfnames_b: - .byte "/home/andy/powerpc/rtems-3.2.0/c/src/lib/libcpu/ppc/ppc403/dlentry/" - .byte 0 -.L_F0: - .byte "dlentry.s" - .byte 0 - .previous - -.section .line -.L_line_b: - .4byte .L_line_e-.L_line_b - .4byte .L_text_b -.L_LE1: -.L_line_last: - .4byte 0x0 - .2byte 0xffff - .4byte .L_text_e-.L_text_b -.L_line_e: - .previous - -.section .debug_srcinfo -.L_srcinfo_b: - .4byte .L_line_b - .4byte .L_sfnames_b - .4byte .L_text_b - .4byte .L_text_e - .4byte 0xffffffff - .4byte .L_LE1-.L_line_b - .4byte .L_F0-.L_sfnames_b - .4byte .L_line_last-.L_line_b - .4byte 0xffffffff - .previous - -.section .debug_pubnames - .4byte .L_debug_b - .4byte .L_P0 - .byte "download_entry" - .byte 0 - .4byte 0x0 - .byte 0 - .previous - -.section .debug_aranges - .4byte .L_debug_b - .4byte .L_text_b - .4byte .L_text_e-.L_text_b - .4byte 0 - .4byte 0 - .4byte 0 - .4byte 0 - .4byte 0 - .4byte 0 - .4byte 0x0 - .4byte 0x0 - .previous - -.section .debug -.L_debug_b: -.L_D1: - .4byte .L_D1_e-.L_D1 - .2byte 0x11 /* TAG_compile_unit */ - .2byte 0x12 /* AT_sibling */ - .4byte .L_D2 - .2byte 0x38 /* AT_name */ - .byte "dlentry.s" - .byte 0 - .2byte 0x258 /* AT_producer */ - .byte "GAS 2.5.2" - .byte 0 - .2byte 0x111 /* AT_low_pc */ - .4byte .L_text_b - .2byte 0x121 /* AT_high_pc */ - .4byte .L_text_e - .2byte 0x106 /* AT_stmt_list */ - .4byte .L_line_b - .2byte 0x1b8 /* AT_comp_dir */ - .byte "/home/andy/powerpc/rtems-3.2.0/c/src/lib/libcpu/ppc/ppc403/dlentry/" - .byte 0 - .2byte 0x8006 /* AT_sf_names */ - .4byte .L_sfnames_b - .2byte 0x8016 /* AT_src_info */ - .4byte .L_srcinfo_b -.L_D1_e: -.L_P0: -.L_D3: - .4byte .L_D3_e-.L_D3 - .2byte 0x6 /* TAG_global_subroutine */ - .2byte 0x12 /* AT_sibling */ - .4byte .L_D4 - .2byte 0x38 /* AT_name */ - .byte "download_entry" - .byte 0 - .2byte 0x278 /* AT_prototyped */ - .byte 0 - .2byte 0x111 /* AT_low_pc */ - .4byte .L_text_b - .2byte 0x121 /* AT_high_pc */ - .4byte .L_text_e - .2byte 0x8041 /* AT_body_begin */ - .4byte .L_text_b - .2byte 0x8051 /* AT_body_end */ - .4byte .L_text_e -.L_D3_e: - -.L_D4: - .4byte .L_D4_e-.L_D4 - .align 2 -.L_D4_e: -.L_D2: - .previous -#endif - -/*------------------------------------------------------------------------------- - * ROM Vector area. - *------------------------------------------------------------------------------*/ -#if PPC_ASM == PPC_ASM_ELF - .section .entry -#else - .csect .text[PR] -#endif - - PUBLIC_VAR (download_entry) -SYM(download_entry): - bl .startup -base_addr: - -/*------------------------------------------------------------------------------- - * Parameters from linker - *------------------------------------------------------------------------------*/ -toc_pointer: -#if PPC_ASM == PPC_ASM_ELF - .long s.got -#else - .long TOC[tc0] -#endif -bss_length: - .long bss.size -bss_addr: - .long bss.start -/*------------------------------------------------------------------------------- - * Reset_entry. - *------------------------------------------------------------------------------*/ -.startup: - /* Get start address, stack grows down from here... */ - mflr r1 - - /* Assume Bank regs set up..., cache etc. */ - bl bssclr - - /*----------------------------------------------------------------------- - * C_setup. - *----------------------------------------------------------------------*/ - lwz r2,toc_pointer-base_addr(r1) /* set r2 to toc */ - addi r1,r1,-56-4 /* start stack at text_addr - 56 */ - addi r3,r0,0x0 /* clear r3 */ - stw r3, 0(r1) /* Clear stack chain */ - stw r3, 4(r1) - stw r3, 8(r1) - stw r3, 12(r1) - lis r5,environ@ha - la r5,environ@l(r5) /* environp */ - li r4, 0 /* argv */ - li r3, 0 /* argc */ - .extern SYM (boot_card) - b SYM (boot_card) /* call the first C routine */ - -/*------------------------------------------------------------------------------- - * bssclr. - *------------------------------------------------------------------------------*/ -bssclr: - /*----------------------------------------------------------------------- - * Data move finished, zero out bss. - *----------------------------------------------------------------------*/ - lwz r2,bss_addr-base_addr(r1) /* start of bss set by loader */ - lwz r3,bss_length-base_addr(r1) /* bss length */ - rlwinm. r3,r3,30,0x3FFFFFFF /* form length/4 */ - beqlr /* no bss */ - mtctr r3 /* set ctr reg */ - xor r6,r6,r6 /* r6 = 0 */ -clear_bss: - stswi r6,r2,0x4 /* store r6 */ - addi r2,r2,0x4 /* update r2 */ - bdnz clear_bss /* decrement counter and loop */ - blr /* return */ -.L_text_e: - -#if PPC_ABI == PPC_ABI_POWEROPEN - DESCRIPTOR (startup) -#endif - - .comm environ,4,4 -- cgit v1.2.3