[SCM] GNU Mach branch, master, updated. v1.8-234-gc7c51ea

[Samuel Thibault]

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- Log -----------------------------------------------------------------
commit c7c51ea1940ccb558ac52b08d294f33d17088842
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Tue Dec 1 00:33:43 2020 +0100

    x86: Keep fp_regs.h standalone
    
    We cannot include stdint.h in fp_regs.h since this is included by
    mach_types.h for bootstrapping, before we have stdint.h from glibc.
    
    * i386/include/mach/i386/fp_reg.h: Do not include <stdint.h>
    (XSAVE_XCOMP_BV_COMPACT, struct i386_xfp_xstate_header): Use unsigned
    long long instead of uint64_t.

commit e17a181bfda5a1f72691fc696b826efdef8d2a60
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Sun Nov 29 21:46:55 2020 +0100

    x86: Get default state from the CPU itself
    
    It seems that at least qemu does not like our initial state. We can as
    well just take it from fninit.
    
    * i386/i386/fpu.c (MXCSR_DEFAULT, CWD_DEFAULT): Remove macros.
    (fpu_module_init): Get default state from CPU.
    (fpinit): Do not call fninit.

commit b5a5e5c3f8cbbb68ea7c3d94c297eafe8be40c9a
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Sun Nov 29 21:46:05 2020 +0100

    x86: Make sure we allocate as much as our structure should hold
    
    * i386/i386/fpu.c (init_fpu): Panic if the CPU gives us a size that is
    smaller than it should.

-----------------------------------------------------------------------

Summary of changes:
 i386/i386/fpu.c                 | 36 ++++++++++++++++--------------------
 i386/include/mach/i386/fp_reg.h | 10 ++++------
 2 files changed, 20 insertions(+), 26 deletions(-)


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