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* Find cpu struct directly in doorbell interrupt handlerDean Sanner2019-02-121-3/+4
| | | | | | | | | | | | | | | | | | | | | | | This fix accesses the cpu struct based on current thread PIR instead of relying on an indirect pointer in the current task struct. It is attempting to eliminate a weak consistency/timing issue on the thread wakeups on the secondary cores. Given the way hostboot wakes up from the doorbell, there is a good chunck of code executed prior to the doorbell interrupt handler --> this also adds a msgsync instruction in the sreset (0x100) interrupt handler. Change-Id: I23db1d786a8a8f0637a890e2ac5de6197ee9cabb Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/71582 Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com> Reviewed-by: William G. Hoffa <wghoffa@us.ibm.com> Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com> Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com> Reviewed-by: Nicholas E. Bofferding <bofferdn@us.ibm.com> Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com> Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
* Add retry to slave core wakeup pathDan Crowell2019-01-251-0/+11
| | | | | | | | | | | | | | | | | | | | We are still seeing some very intermittent errors in the slave core wakeup path. It still seems like we may have a timing issue. Until we figure out exactly what is going on, I am adding a retry mechanism that should get the core to report in correctly. The retry is done by issuing an additional doorbell message to the core that didn't report in. Change-Id: Ib87e5d58e079674d1eebb44c10d0252a35ea0519 Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/70761 Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com> Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com> Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com> Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com> Reviewed-by: Nicholas E. Bofferding <bofferdn@us.ibm.com> Reviewed-by: Dean Sanner <dsanner@us.ibm.com> Reviewed-by: William G. Hoffa <wghoffa@us.ibm.com> Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
* Add msgsync to doorbell wakeup logic to avoid weak consistency bugDan Crowell2019-01-211-1/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | POWER9 added a new sync mode called 'msgsync' that is required to avoid weak consistency issues when you are using doorbell (msgsnd) functions. See POWER ISA Section 5.9.2 for details, excerpt here: The ordering done by sync (and ptesync) provides the appearance of "causality" across a sequence of msgsnd instructions, as in the following example. "msgsnd->T1" means "msgsnd instruction target- ting thread T1". "<DHDI 0>" means "occurrence of Directed Hypervisor Doorbell interrupt caused by msgsnd executed on T0". On T0, register r1 is assumed to contain the value 1. T0 T1 T2 std r1,X <DHDI 0> <DHDI 1> sync msgsnd->T2 msgsync msgsnd->T1 ld r1,X In this example, T2's load from X must return 1. The change here adds the msgsync call to the code that executes any time we handle a doorbell interrupt. In addition there is a POWER9 DD2 errata that indicates we also require a lwsync to ensure consistency. Change-Id: Ib0f3571926d71efcbffa205093278e2a1d58df85 CQ: SW454611 Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/70648 Reviewed-by: Nicholas E. Bofferding <bofferdn@us.ibm.com> Reviewed-by: Dean Sanner <dsanner@us.ibm.com> Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com> Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com> Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com> Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com> Reviewed-by: William G. Hoffa <wghoffa@us.ibm.com>
* Support HB running in SMFDean Sanner2018-09-241-12/+21
| | | | | | | | | | | | | | | | | | | | | | Support SMF for P9N/P9C. Lots of minor tweaks to make this work, but the biggest is to run userspace in problem state This is needed because for SMF Hostboot will need to run in S=1, HV=0,PR=1 (and kernel in S=1, HV=1, PR=0) This commit makes P9 HB userpsace run in HV=0 PR=1 and kernel in HV=1, PR=0. Change-Id: Ia4771df5e8858c6b7ae54b0746e62b283afb4bc4 RTC: 197243 Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/50530 Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com> Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com> Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com> Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com> Reviewed-by: Dean Sanner <dsanner@us.ibm.com> Reviewed-by: Nicholas E. Bofferding <bofferdn@us.ibm.com> Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com> Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
* Fixes to node IPC messaging to handle non-zero base addressesBrian Bakke2018-06-071-5/+31
| | | | | | | | | | | | | | | | | | | | Current code has each Node calculate each Remote Node's IPC area remote address by performing a fixed format calculation. This change has each Node calculating its IPC area Remote address and posting this value to a local SCOM register. A Node reads a Remote Node's SCOM register to acquire the Remote IPC area address. Change-Id: I25260ce180e0d07e5e81990d4c1f99e249912491 RTC:191463 Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/59177 Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com> Reviewed-by: William G. Hoffa <wghoffa@us.ibm.com> Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com> Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com> Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com> Reviewed-by: Prachi Gupta <pragupta@us.ibm.com> Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
* Force checkstops for unhandled machine checksDan Crowell2018-03-291-0/+15
| | | | | | | | | | | | | | | | | | | Default MSR[ME]=0 during initial boot for bootloader and hostboot kernel Once the xscom address range has been mapped in, enable the machine check handler to force a checkstop and set MSR[ME]=1 to allow regular machine check handling CQ: SW401402 Change-Id: I104e39465e61b3b19d5c073e71271102711ae54f Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/47179 Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com> Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com> Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com> Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com> Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com> Reviewed-by: William G. Hoffa <wghoffa@us.ibm.com> Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
* Updates to make multinode IPC workDean Sanner2018-02-131-0/+12
| | | | | | | | | | | | | | | | | | -Fixed node/group id calculations -Reduced dbell printk to prevent printk overflow -Fixed architectual hole in how internode IPC works Workitems won't work, instead just always check for IPC on any doorbells to master thread -Changed PIR tracing to print out in hex Change-Id: I25eb7f87fd812a90f98a7724b1ac1100f764fe7b Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/53187 Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com> Reviewed-by: Prachi Gupta <pragupta@us.ibm.com> Reviewed-by: William G. Hoffa <wghoffa@us.ibm.com> Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com> Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com> Reviewed-by: Dean Sanner <dsanner@us.ibm.com>
* Expand Hostboot to 64MBDan Crowell2018-01-151-2/+2
| | | | | | | | | | | | | | | | | | | | We hit out-of-memory errors while trying to boot a Opal system due to the large amount of memory used by the PM procedures and the pinning of memory in secure mode. Also did some other rearranging of the pinned memory sections to get some space back. Change-Id: I61f219d7f32871a39b236d963bae893a6ef0ce0e CQ: SW413191 Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/51724 Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com> Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com> Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com> Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com> Reviewed-by: Matt Derksen <mderkse1@us.ibm.com> Reviewed-by: Martin Gloff <mgloff@us.ibm.com> Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
* Enable ATTN prior to OPAL handoffBrian Bakke2017-11-301-0/+22
| | | | | | | | | | | | | Change-Id: Iadfded90c09b149948348ee462ab34f9c2431982 RTC: 182134 Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/49865 Reviewed-by: Matt Derksen <mderkse1@us.ibm.com> Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com> Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com> Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com> Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com> Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com> Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
* Story 180760 - Use self restore API to disable ATTN in HID ...Brian Bakke2017-11-071-0/+4
| | | | | | | | | | | | | | | during istep 15/16 of HCODE build/execution Change-Id: I63f54cdc35b3ff7e68120a07c142b6a557257854 RTC: 180760 Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/49070 Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com> Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com> Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com> Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com> Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com> Reviewed-by: Matt Derksen <mderkse1@us.ibm.com> Reviewed-by: William G. Hoffa <wghoffa@us.ibm.com>
* Increase max hostboot memory to 48 MBNick Bofferding2017-08-311-1/+1
| | | | | | | | | | | | | | | | - Extends hostboot memory from 32 to 48 MB to handle large code loads - Dump 48 MB in hostboot dump script - Support 48 MB hostboot size in debug framework Change-Id: I3e64e85a7e2455bc4add2f2db9b48f57db433c7d Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/43735 Reviewed-by: Michael Baiocchi <mbaiocch@us.ibm.com> Reviewed-by: Stephen M. Cprek <smcprek@us.ibm.com> Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com> Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com> Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com> Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com> Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
* Remove half cache init and do it in the page managerStephen Cprek2017-07-201-4/+0
| | | | | | | | | | | | | Change-Id: I3e870c9b50d13704c4c88adfc96e5943cff9dae2 RTC: 175114 Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/42153 Reviewed-by: Michael Baiocchi <mbaiocch@us.ibm.com> Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com> Reviewed-by: Martin Gloff <mgloff@us.ibm.com> Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com> Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com> Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com> Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
* Include HUID of failed Proc in TI data for certain SBE errorsBill Hoffa2017-05-101-2/+3
| | | | | | | | | | | | | | | - Include a generic error pipleline for other future error scenarios to leverage this functionality Change-Id: Icc1399ee93157c7106d394944a3355285a8cd830 RTC: 171865 Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/39072 Reviewed-by: Martin Gloff <mgloff@us.ibm.com> Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com> Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com> Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com> Reviewed-by: Prachi Gupta <pragupta@us.ibm.com> Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
* Handle 8MB reduced cache modeMarty Gloff2016-08-101-3/+8
| | | | | | | | | | | | Check scom register (0x1001181B) for reduced cache mode and expand the memory footprint appropriately, reduced 8MB or full 10MB. Change-Id: I5920572077cdcee317e7b3b9abe999e6de295459 RTC:152954 Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/27522 Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com> Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com> Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
* Replace NAP with STOP instructionBrian Stegmiller2016-08-071-2/+2
| | | | | | | | | Change-Id: I58a382cfc285e37cc8748fe8e23f71c877850263 RTC: 130186 Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/816 Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com> Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com> Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
* Update purge of L3 cache during initial bootElizabeth Liner2016-06-101-1/+1
| | | | | | | | | | Change-Id: Ic6cfabbdfe8f10cf5fa1cd9a4a13093452b61978 RTC:118832 Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/24021 Tested-by: Jenkins Server Tested-by: FSP CI Jenkins Reviewed-by: Martin Gloff <mgloff@us.ibm.com> Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
* Doorbell Interrupt Base Support for Core/Thread WakeupBill Hoffa2016-05-061-3/+12
| | | | | | | | | | | | | | | | | | | | | | | | | This change includes: - Implementation of a generic KernelWorkItem Class - Kernel functionality for doorbell send to specific PIRs - Kernel changes to send core/thread Wakeup doorbells using doorbell_send() + placing KernelWorkItems on a cpu stack obj to be executed during doorbell wakeup - Kernel Interrupt Message handler changes to send wakeup msgs - Interrupt Resource Provider (INTRRP) Changes to handle wakeup msgs and monitor for timeouts - Changes to the IPL flow to invoke proper Core/Thread Wakeup - A basic outline (commented out) for how IPC messages can be implemented in the future Change-Id: I547fb8719bac657def561565ae11ab18cde72096 CMVC-Prereq: 992722 RTC:137564 Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/22815 Tested-by: Jenkins Server Tested-by: FSP CI Jenkins Reviewed-by: Andrew J. Geissler <andrewg@us.ibm.com> Reviewed-by: Prachi Gupta <pragupta@us.ibm.com> Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
* Add doorbell support.Patrick Williams2016-04-041-0/+25
| | | | | | | | | | | Change-Id: I4c5ef96c4793f6da26d54d1d61a51f6395e6b34b Backport: master-p8 Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/930 Tested-by: Jenkins Server Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com> Reviewed-by: William G. Hoffa <wghoffa@us.ibm.com> Tested-by: FSP CI Jenkins Reviewed-by: Matthew A. Ploetz <maploetz@us.ibm.com>
* P9 PSIHB Base Interrupt SupportBill Hoffa2016-03-301-1/+1
| | | | | | | | | | | | | | | | | | | This change includes the following: - Kernel Updates to handle hypervisor interrupt vector - Interrupt Resource Provider changes to setup and handle LSI Based interrupts - Kernel updates to handle modified interrupt flow for LSI Based interrupts - Attribute updates for Scom BAR Registers Change-Id: If63f246a0090ab8c81c3fa8ac3ab6871a0af2e31 RTC:137561 Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/20692 Tested-by: Jenkins Server Tested-by: FSP CI Jenkins Reviewed-by: Andrew J. Geissler <andrewg@us.ibm.com> Reviewed-by: Prachi Gupta <pragupta@us.ibm.com> Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
* HOSTBOOT: Support fused coresBrian Stegmiller2015-12-111-1/+2
| | | | | | | | | Change-Id: I2ad133be733ee9e41590b3b8bd60bd6abe69d1a9 RTC: 126786 Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/22054 Tested-by: Jenkins Server Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com> Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* Avoid deadlock in cross-node IPC messagingDan Crowell2015-06-081-4/+5
| | | | | | | | | | | | | | | | | Move poll for empty queue out of kernel space to allow for the primary thread to see new interrupts and clear out incoming messages. This will prevent 2 nodes from deadlocking one another while they wait for each other to handle the last message that was sent to them. Change-Id: Icbe4e0f621661a37c704b4ac4cdf111664b2039d CQ: SW298667 Backport: release-fips820 Backport: release-fips830 Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/17788 Reviewed-by: Brian H. Horton <brianh@linux.ibm.com> Tested-by: Jenkins Server Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* Prevent out-of-order data access to FSP mailbox memory areaNick Bofferding2015-04-091-1/+3
| | | | | | | | | | | | | | | | | | - Added system call to map FSP mailbox memory with guard permission - Call new mapping in DMA area init - Propagate guard permission down to MMIO map - Apply guard permission in page fault handler - Updated debug tools to support extra bit in MMIO struct Change-Id: I8335ac7d3ef57e46d4c8b6c2b2a42b8a0bf7c4b0 Backport: release-fips830 Backport: release-fips820 CQ: SW295345 Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/16307 Tested-by: Jenkins Server Reviewed-by: Brian H. Horton <brianh@linux.ibm.com> Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com> Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* Fix spelling mistakes using codespell.Patrick Williams2015-01-151-3/+5
| | | | | | | | | | | | - See https://github.com/lucasdemarchi/codespell Change-Id: I03e102d1ebb9473b6226fa9b6edb684fa0218a2f Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/15031 Tested-by: Jenkins Server Reviewed-by: STEPHEN M. CPREK <smcprek@us.ibm.com> Reviewed-by: Zane Shelley <zshelle@us.ibm.com> Reviewed-by: Brian Silver <bsilver@us.ibm.com> Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* Change copyright prolog for all files to Apache.Patrick Williams2014-05-211-10/+10
| | | | | | | Change-Id: I5664587b4f889099290ef50d50fa9ce5e580e1eb Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/11167 Tested-by: Jenkins Server Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* implement start_payload for multi-drawerDoug Gilbert2014-01-101-1/+2
| | | | | | | | RTC: 71994 Change-Id: I422f349d5588731a5e7cfc504d96e497958d6b95 Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/7426 Tested-by: Jenkins Server Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* Clean up some kernel TODOs.Patrick Williams2013-11-121-2/+1
| | | | | | | | | Change-Id: I1f33cfba258a99959e29f8625d6a8459405639f1 Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/6985 Tested-by: Jenkins Server Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com> Reviewed-by: Douglas R. Gilbert <dgilbert@us.ibm.com> Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* Handle winkle-wakeup times in slave cores.Patrick Williams2013-11-071-4/+5
| | | | | | | | Change-Id: I6978d66ecfdef57da9754e6251d2ac1d3d078210 RTC: 73559 Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/6851 Tested-by: Jenkins Server Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* Basic devtree supportDean Sanner2013-08-091-0/+1
| | | | | | | | | | Simple devtree support for Sapphire in SPless mode Change-Id: I4a70bfc5cd3eb3dbd1b443869c046c789f98cc95 Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/3739 Tested-by: Jenkins Server Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com> Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* Secureboot memory layout support.Patrick Williams2013-06-141-0/+4
| | | | | | | | | | | | | | | | * Start kernel in 1/4 cache mode per Secureboot. * Copy Secureboot header for base image for later use. * Blind-purge bottom half of cache. * Add bottom of cache into memory maps for 1/2 cache mode. RTC: 64762 Change-Id: I1b45f30a2d45c9709d4fd486cfe0ca2ce86b051c Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/3773 Reviewed-by: Michael Baiocchi <baiocchi@us.ibm.com> Tested-by: Jenkins Server Reviewed-by: ADAM R. MUHLE <armuhle@us.ibm.com> Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com> Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* Ensure VMM operations are page aligned.Patrick Williams2013-06-101-2/+13
| | | | | | | | | | Change-Id: I55e07062e18bf8652752914151f640dce1a1623e Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/4744 Tested-by: Jenkins Server Reviewed-by: Douglas R. Gilbert <dgilbert@us.ibm.com> Reviewed-by: ADAM R. MUHLE <armuhle@us.ibm.com> Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com> Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* New mm_block_map syscall.Patrick Williams2013-06-101-3/+11
| | | | | | | | RTC: 71081 Change-Id: Ic5531fbba92cfc7aad7d303f043d6a350483d63d Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/4607 Tested-by: Jenkins Server Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* Inter-processor communications for multinodeDoug Gilbert2013-05-161-29/+44
| | | | | | | | RTC: 63128 Change-Id: Ica27c7f714bc8b874c9bccb663a32d3cfba37c5a Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/4193 Tested-by: Jenkins Server Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* Allow winkle of all threads for multi-drawer add.Patrick Williams2013-04-081-3/+12
| | | | | | | | | | | RTC: 63124 Change-Id: I1ad1d6bdf6a2848b686b25504fabddddb701d440 Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/3813 Tested-by: Jenkins Server Reviewed-by: Douglas R. Gilbert <dgilbert@us.ibm.com> Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com> Reviewed-by: Michael Baiocchi <baiocchi@us.ibm.com> Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* Excessive task_yield causes kernel deadlockDoug Gilbert2013-04-031-1/+1
| | | | | | | | | Change-Id: I5ac1b8e64320068822debeb33fbc54469f6ac232 RTC: 44523 Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/3133 Tested-by: Jenkins Server Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com> Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* Support for less than 8 threads per coreDan Crowell2013-02-081-2/+3
| | | | | | | | | | | Modified anywhere that we enable non-master threads to only touch the threads that we are told to update. Change-Id: I5b764e51d85a5c663ac76164e9465831ef0c167c RTC: 48808 Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/2877 Tested-by: Jenkins Server Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* Switch Interrupt Presenter to get ICPBAR value from an attributeDoug Gilbert2012-12-141-3/+6
| | | | | | | | Change-Id: I5d95f3e3e2d803f07c7d8f3bf2d8ee522e1b4519 Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/2406 Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com> Tested-by: Jenkins Server Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
* Expand memory footprint to full 8MB cache.Patrick Williams2012-11-141-5/+24
| | | | | | | | | | | | | | If fake PNOR isn't being used, we can expand our memory space to the full 8MB cache. There will be follow up work with RTC: 49137 to support 4MB degraded caches for bring-up. Change-Id: I1248efa37965f39ebab62aae556349c34aa24b66 RTC: 47356 Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/2319 Tested-by: Jenkins Server Reviewed-by: Melissa J. Connell <missyc@us.ibm.com> Reviewed-by: ADAM R. MUHLE <armuhle@us.ibm.com> Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* Terminate Immediate on a shutdown and assertMissy Connell2012-11-091-0/+15
| | | | | | | | Change-Id: I37c8956afb11c69201f4936821cff5e153327780 RTC:43793 Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/2194 Tested-by: Jenkins Server Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* Extend VMM to 32MMissy Connell2012-10-091-0/+28
| | | | | | | | | | | | | | Add mmLinearMap to create block at a specified phys addr. Added iv_MaptoPhy in the block to indicate we are physically mapped block and to not apply the HRMOR. Change-Id: I75ddb19b82ae9a2035ff873edff8a34a33c74639 RTC:43401 Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/1846 Tested-by: Jenkins Server Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com> Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* Fixes for winkle state.Patrick Williams2012-09-211-1/+4
| | | | | | | | | | | | | | | | | | | The memory profiling tools sometimes encountered a condition where the kernel stack was becoming corrupted. I tracked it down to the winkle code storing the winkle-save state at the wrong end of the stack. Moving the winkle-save area to the bottom of the stack, which is where I originally intended it to go. Also noticed that the task issuing the winkle was in "running" state while waiting for the cores to come out of winkle. Ensure that the kernel updates the task state with a non-running status while we are waiting for winkle to complete. Change-Id: I07a56ea6f24cbc09362f9227d81915da5bc9f148 Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/1737 Tested-by: Jenkins Server Reviewed-by: Douglas R. Gilbert <dgilbert@us.ibm.com> Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
* Support for Non-zero HRMORDan Crowell2012-09-161-27/+39
| | | | | | | | | | | | | | | | | | Changes to kernel code to support detection and use of HRMOR offset in memory Changes to tooling to handle the real memory offset New interface to retrieve the physical address that corresponds to a virtual address To test, run these commands before starting up Hostboot: system_cmp0.cpu0_0_05_0.write-reg HRMOR 0x8000000 proc_venicechip_cmp0.phys_mem.del-map p8Proc0.l3_cache_ram 0 0 RTC: 46032 Change-Id: I50ab248f941218a3a14a8f0fc12a551b56dc7cf3 Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/1553 Tested-by: Jenkins Server Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* Disable EE when calling nap.Patrick Williams2012-08-151-2/+2
| | | | | | | | | | | | | | Due to the LPCR values, nap can already be exited by an interrupt or decrementer event. Remove EE in the MSR so that we are guarenteed that we fully enter nap even if there is a interrupt or decrementer pending. Change-Id: If70f82ea7c05576c1dd97de9e2a1d930c36ba46f Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/1515 Tested-by: Jenkins Server Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com> Reviewed-by: Douglas R. Gilbert <dgilbert@us.ibm.com> Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* Support for master winkle.Patrick Williams2012-08-101-22/+31
| | | | | | | | | RTC: 44730 Change-Id: Ifaeecc659e1bfd8ded4744dc591fc993471519ba Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/1471 Tested-by: Jenkins Server Reviewed-by: Mark W. Wenning <wenning@us.ibm.com> Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* Execute 'doze' in idle loop.Patrick Williams2012-07-281-0/+30
| | | | | | | | | Change-Id: Ifd611129c2d7173b5e0dec36c870e06a4d851009 Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/1384 Tested-by: Jenkins Server Reviewed-by: Douglas R. Gilbert <dgilbert@us.ibm.com> Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com> Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* cpu_spr_value syscall for SLW image build.Patrick Williams2012-07-181-0/+27
| | | | | | | | | | | | Task 44887 Change-Id: If87b6e80b974bb4cbff13844d8a3f055a17282d2 Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/1378 Tested-by: Jenkins Server Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com> Reviewed-by: Douglas R. Gilbert <dgilbert@us.ibm.com> Reviewed-by: Mark W. Wenning <wenning@us.ibm.com> Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* Support for core_activate via IPI.Patrick Williams2012-07-161-0/+9
| | | | | | | | RTC: 37009 Change-Id: I56669805c86d9659a20ad7c26e5e9860c7a248c7 Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/1087 Tested-by: Jenkins Server Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* Improve user-space page allocator.Patrick Williams2012-07-161-1/+8
| | | | | | | | | | | | | | | | | * Allow page allocation system call to force coalesce if a contiguous block is unavailable. [long-term enhancement] * Workaround lack of large contiguous memory for PageTable test-cases, which require 256K, by allocating a VMM block. This should be removed when story 43401 is implemented. [short-term workaround] Change-Id: Idddb30eaa3aeac52d56b82a70355095f31d4a0cd Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/1369 Tested-by: Jenkins Server Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com> Reviewed-by: Douglas R. Gilbert <dgilbert@us.ibm.com> Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* Live-lock issues in memory allocator.Patrick Williams2012-07-111-10/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * Debug tool for PageManager. * Support PageMgr allocations of non-2^k size. * Switch page-allocation to always be in kernel-mode. While investigating issue 44511, I noticed two problesm with the memory page allocator (PageManager). First, the allocator did not support allocations of pages which were not a power of 2, which would result in pages appearing to "leak". Second, in situations where a large allocation was requested and there was not a large chunk available, the allocation would enter a live-lock condition where coalescing would never occur. Switched the PageManager so that all allocations happen in kernel space. This allows us to force memory-release operations on the syscall path when we are out of memory and also put in place a task_yield call which will allow coalescing to eventually occur. Issue 44523 is suppose to fully resolve any of these live-lock paths. RTC: 44511 Change-Id: Ifefd5d0996ee6914e291c862fac0c7b76980717f Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/1330 Tested-by: Jenkins Server Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com> Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
* Improve memory page manager for low memory situationsDoug Gilbert2012-07-111-0/+13
| | | | | | | | | RTC: 40831 Change-Id: I7889f91eec44a10d56ffc94e03c7557f8085100a Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/1272 Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com> Tested-by: Jenkins Server Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
* Fix task deadlock in VMM flush operation.Patrick Williams2012-06-181-25/+31
| | | | | | | | Change-Id: I6f5f44009f8b6e76ac660977c567b35400980b22 Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/1204 Tested-by: Jenkins Server Reviewed-by: Douglas R. Gilbert <dgilbert@us.ibm.com> Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
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