Changeset 193 for trunk/hal/x86_64/core/hal_kentry.h

Timestamp:

Jul 13, 2017, 9:28:06 AM (7 years ago)

Author:

max@…

Message:

build the context

File:

• trunk/hal/x86_64/core/hal_kentry.h (modified) (4 diffs)

trunk/hal/x86_64/core/hal_kentry.h

@@ -49 +49 @@
 #define TF_REGSIZE      (19 * 8)
 
+#define PSL_I           0x00000200
+#define PSL_MBO         0x00000002
+#define PSL_USERSET     (PSL_MBO | PSL_I)
+
 #define INTR_SAVE_REGS  \
         subq    $TF_REGSIZE,%rsp        ; \
@@ -98 +102 @@
 
 /*
- * The x86_64 trap frame.
+ * The x86_64 CPU context.
  */
-struct trapframe {
+typedef struct hal_cpu_context_s {
         /* Pushed by INTR_SAVE_REGS */
         uint64_t tf_rax;
@@ -125 +129 @@
         uint64_t tf_trapno;
 
-        /* These are pushed for a trap */
+        /* Pushed by the hardware if trap */
         uint64_t tf_err;
         uint64_t tf_rip;
@@ -131 +135 @@
         uint64_t tf_rflags;
 
-        /* These are always pushed */
+        /* Always pushed by the hardware */
         uint64_t tf_rsp;
         uint64_t tf_ss;
-};
+} hal_cpu_context_t;
 
 /*