diff mbox series

[1/8] x86/regs: Fold x86_64/regs.h into it's single includer

Message ID 20250311211043.3629696-2-andrew.cooper3@citrix.com (mailing list archive)
State New
Headers show
Series x86: Drop the vm86 segments selectors from struct cpu_user_regs | expand

Commit Message

Andrew Cooper March 11, 2025, 9:10 p.m. UTC 
Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
---
CC: Jan Beulich <JBeulich@suse.com>
CC: Roger Pau Monné <roger.pau@citrix.com>
---
 xen/arch/x86/include/asm/regs.h        | 21 ++++++++++++++++++-
 xen/arch/x86/include/asm/x86_64/regs.h | 28 --------------------------
 2 files changed, 20 insertions(+), 29 deletions(-)
 delete mode 100644 xen/arch/x86/include/asm/x86_64/regs.h
diff mbox series

Patch

diff --git a/xen/arch/x86/include/asm/regs.h b/xen/arch/x86/include/asm/regs.h
index ddf5e14e5719..4f2f06b60161 100644
--- a/xen/arch/x86/include/asm/regs.h
+++ b/xen/arch/x86/include/asm/regs.h
@@ -2,7 +2,26 @@ 
 #ifndef __X86_REGS_H__
 #define __X86_REGS_H__
 
-#include <asm/x86_64/regs.h>
+#define ring_0(r)    (((r)->cs & 3) == 0)
+#define ring_1(r)    (((r)->cs & 3) == 1)
+#define ring_2(r)    (((r)->cs & 3) == 2)
+#define ring_3(r)    (((r)->cs & 3) == 3)
+
+#define guest_kernel_mode(v, r)                                 \
+    (!is_pv_32bit_vcpu(v) ?                                     \
+     (ring_3(r) && ((v)->arch.flags & TF_kernel_mode)) :        \
+     (ring_1(r)))
+
+#define permit_softint(dpl, v, r) \
+    ((dpl) >= (guest_kernel_mode(v, r) ? 1 : 3))
+
+/* Check for null trap callback handler: Is the EIP null? */
+#define null_trap_bounce(v, tb) \
+    (!is_pv_32bit_vcpu(v) ? ((tb)->eip == 0) : (((tb)->cs & ~3) == 0))
+
+/* Number of bytes of on-stack execution state to be context-switched. */
+/* NB. Segment registers and bases are not saved/restored on x86/64 stack. */
+#define CTXT_SWITCH_STACK_BYTES (offsetof(struct cpu_user_regs, es))
 
 #define guest_mode(r)                                                         \
 ({                                                                            \
diff --git a/xen/arch/x86/include/asm/x86_64/regs.h b/xen/arch/x86/include/asm/x86_64/regs.h
deleted file mode 100644
index 171cf9a2e217..000000000000
--- a/xen/arch/x86/include/asm/x86_64/regs.h
+++ /dev/null
@@ -1,28 +0,0 @@ 
-#ifndef _X86_64_REGS_H
-#define _X86_64_REGS_H
-
-#include <xen/types.h>
-#include <public/xen.h>
-
-#define ring_0(r)    (((r)->cs & 3) == 0)
-#define ring_1(r)    (((r)->cs & 3) == 1)
-#define ring_2(r)    (((r)->cs & 3) == 2)
-#define ring_3(r)    (((r)->cs & 3) == 3)
-
-#define guest_kernel_mode(v, r)                                 \
-    (!is_pv_32bit_vcpu(v) ?                                     \
-     (ring_3(r) && ((v)->arch.flags & TF_kernel_mode)) :        \
-     (ring_1(r)))
-
-#define permit_softint(dpl, v, r) \
-    ((dpl) >= (guest_kernel_mode(v, r) ? 1 : 3))
-
-/* Check for null trap callback handler: Is the EIP null? */
-#define null_trap_bounce(v, tb) \
-    (!is_pv_32bit_vcpu(v) ? ((tb)->eip == 0) : (((tb)->cs & ~3) == 0))
-
-/* Number of bytes of on-stack execution state to be context-switched. */
-/* NB. Segment registers and bases are not saved/restored on x86/64 stack. */
-#define CTXT_SWITCH_STACK_BYTES (offsetof(struct cpu_user_regs, es))
-
-#endif