diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/ss555/startup/start.S')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/ss555/startup/start.S | 60 |
1 files changed, 30 insertions, 30 deletions
diff --git a/c/src/lib/libbsp/powerpc/ss555/startup/start.S b/c/src/lib/libbsp/powerpc/ss555/startup/start.S index ec759f1fa6..73a4606a8d 100644 --- a/c/src/lib/libbsp/powerpc/ss555/startup/start.S +++ b/c/src/lib/libbsp/powerpc/ss555/startup/start.S @@ -5,28 +5,28 @@ * all remaining initialization. * * This file is based on several others: - * - * (1) start360.s from the gen68360 BSP by + * + * (1) start360.s from the gen68360 BSP by * W. Eric Norum (eric@skatter.usask.ca) * with the following copyright and license: * * COPYRIGHT (c) 1989-1998. * On-Line Applications Research Corporation (OAR). - * + * * The license and distribution terms for this file may in * the file LICENSE in this distribution or at * http://www.rtems.com/license/LICENSE. * * (2) start.s for the eth_comm port by * Jay Monkman (jmonkman@fracsa.com), - * which itself is based on the - * + * which itself is based on the + * * (3) dlentry.s for the Papyrus BSP, written by: * Andrew Bray <andy@i-cubed.co.uk> * with the following copyright and license: * * COPYRIGHT (c) 1995 by i-cubed ltd. - * + * * (4) start860.S for the MBX821/MBX860, written by: * Darlene A. Stewart <darlene.stewart@iit.nrc.ca> * Copyright (c) 1999, National Research Council of Canada @@ -182,7 +182,7 @@ .L_D4_e: .L_D2: .previous - + /* * Tell C's eabi-ctor's that we have an atexit function, * and that it is to register __do_global_dtors. @@ -191,7 +191,7 @@ PUBLIC_VAR(__atexit) .section ".sdata","aw" .align 2 -SYM(__atexit): +SYM(__atexit): EXT_PROC_REF(atexit)@fixup .previous @@ -201,7 +201,7 @@ SYM(__atexit): .previous /* That should do it */ - + /* * Put the entry point in its own section. That way, we can guarantee * to put it first in the .text section in the linker script. @@ -211,7 +211,7 @@ SYM(__atexit): PUBLIC_VAR (start) SYM(start): bl .startup /* or bl .spin */ -base_addr: +base_addr: /* * Parameters from linker @@ -219,19 +219,19 @@ base_addr: stack_top: .long initStackPtr -toc_pointer: +toc_pointer: .long __GOT_START__ -bss_length: +bss_length: .long bss.size -bss_addr: +bss_addr: .long bss.start -data_length: +data_length: .long data.size -data_addr: +data_addr: .long data.start -contents_addr: +contents_addr: .long data.contents.start PUBLIC_VAR (text_addr) @@ -244,7 +244,7 @@ text_length: /* * Spin, if necessary, to acquire control from debugger (CodeWarrior). - */ + */ spin: .long 0x0001 .spin: @@ -254,9 +254,9 @@ spin: beq .spin /* - * Initialization code + * Initialization code */ -.startup: +.startup: /* Capture address of linker parameters. */ mflr r3 @@ -273,7 +273,7 @@ spin: /* Initialize the memory mapped MPC555 registers (done in C). */ EXTERN_PROC (_InitSS555) bl PROC (_InitSS555) - + /* Clear the .bss section. */ bl bssclr @@ -295,7 +295,7 @@ spin: li r3, 0 /* argc */ EXTERN_PROC (boot_card) bl PROC (boot_card) /* call the first C routine */ - + /* We should never return from boot_card, but in case we do ... */ /* The next instructions are dependent on your runtime environment. */ @@ -323,7 +323,7 @@ dc1: addi r4, r4, 0x4 /* next source */ addi r5, r5, 0x4 /* next target */ bdnz dc1 /* dec counter and loop */ - + blr /* return */ /* @@ -345,7 +345,7 @@ clear_bss: stw r5, 0(r4) /* store r6 */ addi r4, r4, 0x4 /* update r4 */ bdnz clear_bss /* dec counter and loop */ - + blr /* return */ /* @@ -356,7 +356,7 @@ clear_bss: * r0 - scratch */ initregs: - /* + /* * Set the processor for big-endian mode, exceptions vectored to * 0x000n_nnnn, no execution tracing, machine check exceptions * enabled, floating-point not available, supervisor priviledge @@ -366,10 +366,10 @@ initregs: li r0, 0x1000 /* MSR_ME */ mtmsr r0 /* Context-synchronizing */ isync - + /* * Clear the exception handling registers. - */ + */ li r0, 0x0000 mtdar r0 mtspr sprg0, r0 @@ -378,13 +378,13 @@ initregs: mtspr sprg3, r0 mtspr srr0, r0 mtspr srr1, r0 - + mr r6, r0 mr r7, r0 mr r8, r0 mr r9, r0 mr r10, r0 - mr r11, r0 + mr r11, r0 mr r12, r0 mr r13, r0 mr r14, r0 @@ -405,9 +405,9 @@ initregs: mr r29, r0 mr r30, r0 mr r31, r0 - + blr /* return */ - + .L_text_e: .comm environ,4,4 |