Aren/haiku
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

kernel/x86: extend CR4 flags

Browse Source 
Change-Id: I4861f6cd61d0daeeb2403d07e703b83cd6a00666
Reviewed-on: https://review.haiku-os.org/c/haiku/+/3280
Reviewed-by: Rene Gollent <rene@gollent.com>
This commit is contained in:
Jérôme Duval 2020-09-26 15:01:14 +02:00
parent 011fd524a1
commit 64331e96ca
1 changed files with 15 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
headers/private/kernel/arch/x86/arch_cpu.h
View File

@ -391,15 +391,29 @@
#define CR0_FPU_EMULATION (1UL << 2)
#define CR0_MONITOR_FPU (1UL << 1)
// cr4 flags
// Control Register CR4 flags §2.5
// https://www.intel.com/content/dam/www/public/us/en/documents/manuals/64-ia-32-architectures-software-developer-vol-3a-part-1-manual.pdf
#define IA32_CR4_VME (1UL << 0)
#define IA32_CR4_PVI (1UL << 1)
#define IA32_CR4_TSD (1UL << 2)
#define IA32_CR4_DE (1UL << 3)
#define IA32_CR4_PSE (1UL << 4)
#define IA32_CR4_PAE (1UL << 5)
#define IA32_CR4_MCE (1UL << 6)
#define IA32_CR4_GLOBAL_PAGES (1UL << 7)
#define IA32_CR4_PCE (1UL << 8)
#define CR4_OS_FXSR (1UL << 9)
#define CR4_OS_XMM_EXCEPTION (1UL << 10)
#define IA32_CR4_UMIP (1UL << 11)
#define IA32_CR4_LA57 (1UL << 12)
#define IA32_CR4_VMXE (1UL << 13)
#define IA32_CR4_SMXE (1UL << 14)
#define IA32_CR4_FSGSBASE (1UL << 16)
#define IA32_CR4_PCIDE (1UL << 17)
#define IA32_CR4_OSXSAVE (1UL << 18)
#define IA32_CR4_SMEP (1UL << 20)
#define IA32_CR4_SMAP (1UL << 21)
#define IA32_CR4_PKE (1UL << 22)
// Extended Control Register XCR0 flags §13.3
// https://software.intel.com/content/dam/develop/public/us/en/documents/253665-sdm-vol-1.pdf