more fixes

arch/x86_64/include/bits/sched.h

@@ -1,10 +1,12 @@
 #pragma once
 
+#include <zinnia/types.h>
 #include <stdint.h>
 
 struct arch_task_context {
     uint64_t rsp;
     uint8_t* fpu_region;
+    phys_t fpu_phys;
     uint16_t ds, es, fs, gs;
     uint64_t fs_base, gs_base;
 };

arch/x86_64/include/x86_64/defs.h

@@ -185,6 +185,7 @@
 #define MSR_EFER_FFXSR (1 << 14)
 #define MSR_EFER_TCE   (1 << 15)
 
+#define MSR_PAT            (0x277)
 #define MSR_EFER           (0xC0000080)
 #define MSR_STAR           (0xC0000081)
 #define MSR_LSTAR          (0xC0000082)
@@ -194,6 +195,13 @@
 #define MSR_GS_BASE        (0xC0000101)
 #define MSR_KERNEL_GS_BASE (0xC0000102)
 
+#define PAT_UC  (0x0)
+#define PAT_WC  (0x1)
+#define PAT_WT  (0x4)
+#define PAT_WP  (0x5)
+#define PAT_WB  (0x6)
+#define PAT_UCM (0x7)
+
 #define CPL_USER   (0x3)
 #define CPL_KERNEL (0x0)
 

arch/x86_64/include/x86_64/pmap.h

@@ -12,7 +12,7 @@ enum : pte_t {
     ARCH_FLAG_SIZE = 1 << 7,
     ARCH_FLAG_GLOBAL = 1 << 8,
     ARCH_FLAG_AVAILABLE = 1 << 9,
-    ARCH_FLAG_ATTRIBUTE_TABLE = 1 << 10,
+    ARCH_FLAG_ATTRIBUTE_TABLE = 1 << 7,
     ARCH_FLAG_EXECUTE_DISABLE = 1LU << 63,
 
     ARCH_PTE_ADDR_MASK = 0x000F'FFFF'FFFF'F000,