Platform/Intel/KabylakeOpenBoardPkg/KabylakeRvp3/OpenBoardPkgPcd.dsc | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2159
FSP Dispatch mode will share same stack and heap with
bootloader so we should not reserve separate temporary
ram for FSP.
Set PcdFspTemporaryRamSize to 0 in Dispatch mode.
Test: internal platform can boot with FSP Dispatch mode
with 64KB temporary RAM back.
Cc: Michael Kubacki <michael.a.kubacki@intel.com>
Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Signed-off-by: Chasel Chiu <chasel.chiu@intel.com>
---
Platform/Intel/KabylakeOpenBoardPkg/KabylakeRvp3/OpenBoardPkgPcd.dsc | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/Platform/Intel/KabylakeOpenBoardPkg/KabylakeRvp3/OpenBoardPkgPcd.dsc b/Platform/Intel/KabylakeOpenBoardPkg/KabylakeRvp3/OpenBoardPkgPcd.dsc
index 55ae9f47ac..2009bb225a 100644
--- a/Platform/Intel/KabylakeOpenBoardPkg/KabylakeRvp3/OpenBoardPkgPcd.dsc
+++ b/Platform/Intel/KabylakeOpenBoardPkg/KabylakeRvp3/OpenBoardPkgPcd.dsc
@@ -69,10 +69,10 @@
gSiPkgTokenSpaceGuid.PcdPeiTemporaryRamStackSize|0x20000
!else
#
- # FSP Dispatch mode will share the same stack with boot loader,
- # here temporary ram size is used by FSP heap and can be smaller
+ # FSP Dispatch mode will share the same stack and heap with boot loader,
+ # no separate temporary ram required by FSP.
#
- gIntelFsp2PkgTokenSpaceGuid.PcdFspTemporaryRamSize | 0x00010000
+ gIntelFsp2PkgTokenSpaceGuid.PcdFspTemporaryRamSize | 0
#
# In FSP Dispatch mode boot loader stack size must be big enough for executing
--
2.13.3.windows.1
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Reviewed-by: Michael Kubacki <michael.a.kubacki@intel.com> > -----Original Message----- > From: Chiu, Chasel > Sent: Friday, September 6, 2019 12:01 AM > To: devel@edk2.groups.io > Cc: Kubacki, Michael A <michael.a.kubacki@intel.com>; Desimone, Nathaniel > L <nathaniel.l.desimone@intel.com>; Gao, Liming <liming.gao@intel.com> > Subject: [edk2-platforms: PATCH] KabylakeOpenBoardPkg: Missed 64KB > Temporary RAM in Dispatch mode. > > REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2159 > > FSP Dispatch mode will share same stack and heap with bootloader so we > should not reserve separate temporary ram for FSP. > Set PcdFspTemporaryRamSize to 0 in Dispatch mode. > > Test: internal platform can boot with FSP Dispatch mode > with 64KB temporary RAM back. > > Cc: Michael Kubacki <michael.a.kubacki@intel.com> > Cc: Nate DeSimone <nathaniel.l.desimone@intel.com> > Cc: Liming Gao <liming.gao@intel.com> > Signed-off-by: Chasel Chiu <chasel.chiu@intel.com> > --- > > Platform/Intel/KabylakeOpenBoardPkg/KabylakeRvp3/OpenBoardPkgPcd.ds > c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git > a/Platform/Intel/KabylakeOpenBoardPkg/KabylakeRvp3/OpenBoardPkgPcd. > dsc > b/Platform/Intel/KabylakeOpenBoardPkg/KabylakeRvp3/OpenBoardPkgPcd. > dsc > index 55ae9f47ac..2009bb225a 100644 > --- > a/Platform/Intel/KabylakeOpenBoardPkg/KabylakeRvp3/OpenBoardPkgPcd. > dsc > +++ > b/Platform/Intel/KabylakeOpenBoardPkg/KabylakeRvp3/OpenBoardPkgPcd. > d > +++ sc > @@ -69,10 +69,10 @@ > gSiPkgTokenSpaceGuid.PcdPeiTemporaryRamStackSize|0x20000 > !else > # > - # FSP Dispatch mode will share the same stack with boot loader, > - # here temporary ram size is used by FSP heap and can be smaller > + # FSP Dispatch mode will share the same stack and heap with boot > + loader, # no separate temporary ram required by FSP. > # > - gIntelFsp2PkgTokenSpaceGuid.PcdFspTemporaryRamSize | 0x00010000 > + gIntelFsp2PkgTokenSpaceGuid.PcdFspTemporaryRamSize | 0 > > # > # In FSP Dispatch mode boot loader stack size must be big enough for > executing > -- > 2.13.3.windows.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#47092): https://edk2.groups.io/g/devel/message/47092 Mute This Topic: https://groups.io/mt/33163786/1787277 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org] -=-=-=-=-=-=-=-=-=-=-=-
Reviewed-by: Nate DeSimone <nathaniel.l.desimone@intel.com> -----Original Message----- From: Chiu, Chasel Sent: Friday, September 6, 2019 12:01 AM To: devel@edk2.groups.io Cc: Kubacki, Michael A <michael.a.kubacki@intel.com>; Desimone, Nathaniel L <nathaniel.l.desimone@intel.com>; Gao, Liming <liming.gao@intel.com> Subject: [edk2-platforms: PATCH] KabylakeOpenBoardPkg: Missed 64KB Temporary RAM in Dispatch mode. REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2159 FSP Dispatch mode will share same stack and heap with bootloader so we should not reserve separate temporary ram for FSP. Set PcdFspTemporaryRamSize to 0 in Dispatch mode. Test: internal platform can boot with FSP Dispatch mode with 64KB temporary RAM back. Cc: Michael Kubacki <michael.a.kubacki@intel.com> Cc: Nate DeSimone <nathaniel.l.desimone@intel.com> Cc: Liming Gao <liming.gao@intel.com> Signed-off-by: Chasel Chiu <chasel.chiu@intel.com> --- Platform/Intel/KabylakeOpenBoardPkg/KabylakeRvp3/OpenBoardPkgPcd.dsc | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/Platform/Intel/KabylakeOpenBoardPkg/KabylakeRvp3/OpenBoardPkgPcd.dsc b/Platform/Intel/KabylakeOpenBoardPkg/KabylakeRvp3/OpenBoardPkgPcd.dsc index 55ae9f47ac..2009bb225a 100644 --- a/Platform/Intel/KabylakeOpenBoardPkg/KabylakeRvp3/OpenBoardPkgPcd.dsc +++ b/Platform/Intel/KabylakeOpenBoardPkg/KabylakeRvp3/OpenBoardPkgPcd.d +++ sc @@ -69,10 +69,10 @@ gSiPkgTokenSpaceGuid.PcdPeiTemporaryRamStackSize|0x20000 !else # - # FSP Dispatch mode will share the same stack with boot loader, - # here temporary ram size is used by FSP heap and can be smaller + # FSP Dispatch mode will share the same stack and heap with boot + loader, # no separate temporary ram required by FSP. # - gIntelFsp2PkgTokenSpaceGuid.PcdFspTemporaryRamSize | 0x00010000 + gIntelFsp2PkgTokenSpaceGuid.PcdFspTemporaryRamSize | 0 # # In FSP Dispatch mode boot loader stack size must be big enough for executing -- 2.13.3.windows.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#47095): https://edk2.groups.io/g/devel/message/47095 Mute This Topic: https://groups.io/mt/33163786/1787277 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org] -=-=-=-=-=-=-=-=-=-=-=-
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