Changeset 308 for trunk/hal/x86_64/core/hal_kentry.h

Timestamp:

Aug 1, 2017, 10:30:39 AM (7 years ago)

Author:

max@…

Message:

Add a basic syscall entry.

File:

• trunk/hal/x86_64/core/hal_kentry.h (modified) (1 diff)

trunk/hal/x86_64/core/hal_kentry.h

@@ -47 +47 @@
 #define CPUVAR(off)     %gs:CPU_INFO_ ## off
 
+/*
+ * Processor Status Longword.
+ */
+#define PSL_C           0x00000001      /* carry flag */
+#define PSL_PF          0x00000004      /* parity flag */
+#define PSL_AF          0x00000010      /* auxiliary carry flag */
+#define PSL_Z           0x00000040      /* zero flag */
+#define PSL_N           0x00000080      /* sign flag */
+#define PSL_T           0x00000100      /* trap flag */
+#define PSL_I           0x00000200      /* interrupt enable flag */
+#define PSL_D           0x00000400      /* direction flag */
+#define PSL_V           0x00000800      /* overflow flag */
+#define PSL_IOPL        0x00003000      /* i/o privilege level */
+#define PSL_NT          0x00004000      /* nested task */
+#define PSL_RF          0x00010000      /* resume flag */
+#define PSL_VM          0x00020000      /* virtual 8086 mode */
+#define PSL_AC          0x00040000      /* alignment check flag */
+#define PSL_VIF         0x00080000      /* virtual interrupt enable flag */
+#define PSL_VIP         0x00100000      /* virtual interrupt pending flag */
+#define PSL_ID          0x00200000      /* identification flag */
+
+#define PSL_MBO         0x00000002      /* must be one bits */
+#define PSL_MBZ         0xffc08028      /* must be zero bits */
+
+#define PSL_USERSET     (PSL_MBO | PSL_I)
+
+/*
+ * Trap frame
+ */
+
 #define TF_REGSIZE      (19 * 8)
-
-#define PSL_I           0x00000200
-#define PSL_MBO         0x00000002
-#define PSL_USERSET     (PSL_MBO | PSL_I)
 
 #define INTR_SAVE_REGS  \