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Make space for AVX-512 registers in x86 arch_thread.

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Should fix #16382

Change-Id: Ib1445e3c08036a8c959eae54adcf0f0c27bcf22d
Reviewed-on: https://review.haiku-os.org/c/haiku/+/3031
Reviewed-by: Rene Gollent <rene@gollent.com>
Reviewed-by: Adrien Destugues <pulkomandy@gmail.com>
This commit is contained in:
Adrien Destugues 2020-07-14 12:07:05 +02:00 committed by Adrien Destugues
parent f96d1f4d92
commit bd3b7c3f90
1 changed files with 5 additions and 2 deletions
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7
headers/private/kernel/arch/x86/arch_thread_types.h
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@ -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;