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Not all AMD64 CPUs support large pages and global pages, unfortunately

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This commit is contained in:
Rafal Kupiec 2023-02-05 22:14:47 +01:00
parent 76f22fbdc4
commit 385f0e6de0
Signed by: belliash
GPG Key ID: 4E829243E0CFE6B4
1 changed files with 0 additions and 6 deletions
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6
xtoskrnl/ar/amd64/procsup.c
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@ -239,12 +239,6 @@ ArpInitializeProcessorRegisters(VOID)
/* Set debugger extension */ /* Set debugger extension */
ArWriteControlRegister(4, ArReadControlRegister(4) | CR4_DE); ArWriteControlRegister(4, ArReadControlRegister(4) | CR4_DE);
/* Enable global paging support */
ArWriteControlRegister(4, ArReadControlRegister(4) | CR4_PGE);
/* Enable large pages */
ArWriteControlRegister(4, ArReadControlRegister(4) | CR4_PSE);
/* Enable write-protection */ /* Enable write-protection */
ArWriteControlRegister(0, ArReadControlRegister(0) | CR0_WP); ArWriteControlRegister(0, ArReadControlRegister(0) | CR0_WP);