nsekar@codeaurora.org has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/29951
Change subject: util/qualcomm: Add T32 debug scripts ......................................................................
util/qualcomm: Add T32 debug scripts
T32 scripts that allow debug of any coreboot stage on qcs405
Change-Id: I4e792a2806e5ebd3b4075c7bb69c43587920deae Signed-off-by: Sricharan R sricharan@codeaurora.org Signed-off-by: Nitheesh Sekar nsekar@codeaurora.org --- A util/qualcomm/scripts/cmm/clear_bss.cmm A util/qualcomm/scripts/cmm/debug_cb_405.cmm M util/qualcomm/scripts/cmm/debug_cb_common.cmm A util/qualcomm/scripts/cmm/pbl32_to_bootblock64_jump.cmm 4 files changed, 212 insertions(+), 3 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/51/29951/1
diff --git a/util/qualcomm/scripts/cmm/clear_bss.cmm b/util/qualcomm/scripts/cmm/clear_bss.cmm new file mode 100755 index 0000000..16eaac7 --- /dev/null +++ b/util/qualcomm/scripts/cmm/clear_bss.cmm @@ -0,0 +1,16 @@ +d.a 0x80000000 mov x0,#0x8c +d.a 0x80000004 lsl x0, x0, #0x14 +d.a 0x80000008 mov x1,#0x18 +d.a 0x8000000c lsl x1,x1, #0x10 +d.a 0x80000010 mov x2,#0x0 +d.a 0x80000014 mov x3,#0x80 +d.a 0x80000018 lsl x3, x3, #0x18 +d.a 0x8000001c add x3, x3, #0x14 +d.a 0x80000020 str x2,[x0] +d.a 0x80000024 sub x1, x1, #0x8 +d.a 0x80000028 add x0, x0, #0x8 +d.a 0x8000002c cmp x1,0x0 +d.a 0x80000030 b.ne 0x20 +d.a 0x80000034 b 0x34 +r.s pc 0x80000000 +go diff --git a/util/qualcomm/scripts/cmm/debug_cb_405.cmm b/util/qualcomm/scripts/cmm/debug_cb_405.cmm new file mode 100644 index 0000000..166d2aa --- /dev/null +++ b/util/qualcomm/scripts/cmm/debug_cb_405.cmm @@ -0,0 +1,165 @@ +;============================================================================ +;## +;## This file is part of the coreboot project. +;## +;## Copyright (C) 2018, The Linux Foundation. All rights reserved. +;## +;## This program is free software; you can redistribute it and/or modify +;## it under the terms of the GNU General Public License version 2 and +;## only version 2 as published by the Free Software Foundation. +;## +;## This program is distributed in the hope that it will be useful, +;## but WITHOUT ANY WARRANTY; without even the implied warranty of +;## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;## GNU General Public License for more details. +;## +;============================================================================ +; Name: +; debug_cb_405.cmm +; +; Description: +; Debug coreboot 405 front-end +;============================================================================ + +;============================================================================ +; CMM script variables +;============================================================================ + +LOCAL &TargetPkg + +GLOBAL &BBEntryAddr // Bootblock Entry +GLOBAL &BBExitAddr // Bootblock Exit to Xbl-Sec +GLOBAL &VEREntryAddr // Verstage Entry +GLOBAL &ROMEntryAddr // Romstage Entry +GLOBAL &QCLEntryAddr // QCLstage Entry +GLOBAL &RAMEntryAddr // Ramstage Entry +GLOBAL &BL31EntryAddr // BL31 Entry +GLOBAL &DCEntryAddr // Depthcharge Entry +GLOBAL &KernelEntryAddr // Kernel Entry + +GLOBAL &PreRamConsoleAddr +GLOBAL &RamConsoleAddr +GLOBAL &PreRamCbfsCache +GLOBAL &VBoot2Work +GLOBAL &Stack +GLOBAL &Ttb +GLOBAL &Timestamp +GLOBAL &CbmemTop +GLOBAL &PostRamCbfsCache + +GLOBAL &CBTablePtr + +GLOBAL &debug + +;============================================================================ + +;--------------------------------------------------- +; Entry point +;--------------------------------------------------- +ENTRY &ImageName + + // Later these can be parameterized + &TargetPkg="Qcs405Pkg" + + // These settings come from .../src/soc/qualcomm/qcs405/include/soc/memlayout.ld + &BBEntryAddr=0x8c2f000 + &VEREntryAddr=0x8C00000 + &ROMEntryAddr=0x8C00000 + &QCLEntryAddr=0x1485AC00 + &RAMEntryAddr=0x9F860000 + &BL31EntryAddr=0x06820000 + &DCEntryAddr=0xf1104800 + &KernelEntryAddr=0x90080000 + + &PreRamConsoleAddr=0x8C4F400 + &VBoot2Work=0x8C47000 + &Stack=0x8C4B000 + &Ttb=0x8C39000 + &Timestamp=0x8C4F000 + &PreRamCbfsCache=0x8C57400 + &CbmemTop=0x280000000 + &PostRamCbfsCache=0x9F800000 + // End of memlayout.ld settings + + // Common commands irrespective of &Mode + PATH + &CwDir=os.pwd() + PATH + &CwDir + + // position at top of coreboot tree + // find depth count for source loading + cd ........ + &srcpath=os.pwd() + + b.sel PROGRAM onchip + ;sys.u + + b.d /all + + ;go &BBEntryAddr + ;wait !run() + +;--------------------------------------------------- +; Setup area and log +;--------------------------------------------------- + area.clear + area.reset + area.create CB_Logs 1000. 8192. + area.select CB_Logs + + ;winclear + ;b.d /all + + if FILE.EXIST("C:\TEMP\WIN.CMM") + do C:\TEMP\WIN.CMM + + area.view CB_Logs + + PRINT %String "Source Path: &srcpath" + + symbol.sourcepath.setbasedir &srcpath\src + + PRINT "pbl32_to_bootblock64 jump" + do pbl32_to_bootblock64_jump.cmm + do clear_bss.cmm + WAIT 5s + b + + // Make parsing simple, upper-case parameters + &Imagename=STRING.UPR("&Imagename") + IF (STR.CP("&ImageName","DEBUG,*")) + ( + &debug="DEBUG" + ) + ELSE + ( + &debug="" + ) + &Imagename=STR.CUT("&ImageName",6) + IF "&debug"=="" + ( + PRINT "SPI_RAM LOAD" + &ImageName=STRING.UPR("&ImageName") + IF "&ImageName"=="" + ( + &ImageName="RAM,BB" //for RAM load Bootblock only and jump till DC + ) + PRINT "&ImageName" + ) + ELSE + ( + if (STR.CP("&debug","DEBUG")) + ( + PRINT "DEBUG" + &ImageName=STRING.UPR("&ImageName") + IF "&ImageName"=="" + ( + &ImageName="RAM,ALL" //for RAM loading all the images + ) + PRINT "&ImageName" + ) + ) + + DO debug_cb_common.cmm &TargetPkg &srcpath &xblsrcpath &ImageName + + enddo diff --git a/util/qualcomm/scripts/cmm/debug_cb_common.cmm b/util/qualcomm/scripts/cmm/debug_cb_common.cmm index bdb0097..5959ee1 100644 --- a/util/qualcomm/scripts/cmm/debug_cb_common.cmm +++ b/util/qualcomm/scripts/cmm/debug_cb_common.cmm @@ -104,6 +104,10 @@
if &BBStage ( + IF "&debug"=="" + ( + d.load.binary build/coreboot.rom 0xA0000000 + ) &imgpath="build\cbfs\fallback\bootblock.elf" if (&RAMLoad) d.load.elf &imgpath /strippart "coreboot" /sourcepath &srcpath @@ -114,9 +118,17 @@ ;b.s run_romstage /o ;d.set &PreRamConsoleAddr++0x8000 0 d.dump &PreRamConsoleAddr /spotlight - print %String "Now the control is in BootBlock, press enter after debugging to go to next stage" - print %String "Press enter to go to next stage" - enter + IF (STR.CP("&debug","DEBUG")) + ( + print %String "Now the control is in BootBlock, press enter after debugging to go to next stage" + print %String "Press enter to go to next stage" + enter + ) + ELSE + ( + go + enddo + ) )
go &VEREntryAddr diff --git a/util/qualcomm/scripts/cmm/pbl32_to_bootblock64_jump.cmm b/util/qualcomm/scripts/cmm/pbl32_to_bootblock64_jump.cmm new file mode 100644 index 0000000..de01bad --- /dev/null +++ b/util/qualcomm/scripts/cmm/pbl32_to_bootblock64_jump.cmm @@ -0,0 +1,16 @@ +PER.Set.simple SPR:0x36100 %Long 00c5183C +D.S AZSD:0x8600034 %LE %Long 0x8600000 +D.S AZSD:0x8600000 %LE %Long 0x1400000 +d.a 0x8600004 ldr r0,0x8600034 +d.a 0x8600008 mcr p15,0x0,r0,c12,c0,1 +d.a 0x860000c dsb +d.a 0x8600010 isb +d.a 0x8600014 mrc p15,0x0,r1,c12,c0,2 +d.a 0x8600018 orr r1,r1,0x3 +d.a 0x860001c mcr p15,0x0,r1,c12,c0,2 +d.a 0x8600020 isb +d.a 0x8600024 wfi +r.s pc 0x8600004 +go +b +
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