From Jérôme Duval <jerome.duval@xxxxxxxxx>:
Jérôme Duval has uploaded this change for review. (
https://review.haiku-os.org/c/haiku/+/3280 ;)
Change subject: kernel/x86: extend CR4 flags
......................................................................
kernel/x86: extend CR4 flags
---
M headers/private/kernel/arch/x86/arch_cpu.h
1 file changed, 15 insertions(+), 1 deletion(-)
git pull ssh://git.haiku-os.org:22/haiku refs/changes/80/3280/1
diff --git a/headers/private/kernel/arch/x86/arch_cpu.h
b/headers/private/kernel/arch/x86/arch_cpu.h
index 3974a99..2ba90b0 100644
--- a/headers/private/kernel/arch/x86/arch_cpu.h
+++ b/headers/private/kernel/arch/x86/arch_cpu.h
@@ -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
--
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Gerrit-Project: haiku
Gerrit-Branch: master
Gerrit-Change-Id: I4861f6cd61d0daeeb2403d07e703b83cd6a00666
Gerrit-Change-Number: 3280
Gerrit-PatchSet: 1
Gerrit-Owner: Jérôme Duval <jerome.duval@xxxxxxxxx>
Gerrit-MessageType: newchange
