hrev54430 adds 1 changeset to branch 'master'
old head: f96d1f4d92faff20a6b608f06e5fafe3d4ce7736
new head: bd3b7c3f9067a54632118e41be664ddaa2edc330
overview:
https://git.haiku-os.org/haiku/log/?qt=range&q=bd3b7c3f9067+%5Ef96d1f4d92fa
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bd3b7c3f9067: Make space for AVX-512 registers in x86 arch_thread.
Should fix #16382
Change-Id: Ib1445e3c08036a8c959eae54adcf0f0c27bcf22d
Reviewed-on: https://review.haiku-os.org/c/haiku/+/3031
Reviewed-by: Rene Gollent <rene@xxxxxxxxxxx>
Reviewed-by: Adrien Destugues <pulkomandy@xxxxxxxxx>
[ Adrien Destugues <pulkomandy@xxxxxxxxxxxxx> ]
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Revision: hrev54430
Commit: bd3b7c3f9067a54632118e41be664ddaa2edc330
URL: https://git.haiku-os.org/haiku/commit/?id=bd3b7c3f9067
Author: Adrien Destugues <pulkomandy@xxxxxxxxxxxxx>
Date: Tue Jul 14 10:07:05 2020 UTC
Committer: Adrien Destugues <pulkomandy@xxxxxxxxx>
Commit-Date: Fri Jul 17 11:17:20 2020 UTC
Ticket: https://dev.haiku-os.org/ticket/16382
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1 file changed, 5 insertions(+), 2 deletions(-)
headers/private/kernel/arch/x86/arch_thread_types.h | 7 +++++--
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diff --git a/headers/private/kernel/arch/x86/arch_thread_types.h
b/headers/private/kernel/arch/x86/arch_thread_types.h
index 5bd1b637d9..5f124bd99e 100644
--- a/headers/private/kernel/arch/x86/arch_thread_types.h
+++ b/headers/private/kernel/arch/x86/arch_thread_types.h
@@ -57,8 +57,11 @@ struct arch_thread {
// 512 byte floating point save point - this must be 16 byte aligned
uint8 fpu_state[512] _ALIGNED(16);
#else
- // floating point save point - this must be 64 byte aligned for xsave
- uint8 fpu_state[1024] _ALIGNED(64);
+ // floating point save point - this must be 64 byte aligned for xsave
and
+ // have enough space for all the registers, at least 2560 bytes
according
+ // to Intel Architecture Instruction Set Extensions Programming
Reference,
+ // Section 3.2.4, table 3-8
+ uint8 fpu_state[2560] _ALIGNED(64);
#endif
addr_t GetFramePointer() const;
