[XEN][PATCH 7/8] xen/arm: regs.h split subarch definitions between arm64/arm32

[Grygorii Strashko <grygorii_strashko@epam.com>]

From: Grygorii Strashko <grygorii_strashko@epam.com>

Split subarch definitions between arm64/arm32:
hyp_mode()
regs_mode_is_user()
regs_mode_is_32bit()

Signed-off-by: Grygorii Strashko <grygorii_strashko@epam.com>
---
 xen/arch/arm/include/asm/arm32/processor.h |  5 +++++
 xen/arch/arm/include/asm/arm64/processor.h | 15 ++++++++++++++
 xen/arch/arm/include/asm/regs.h            | 24 ----------------------
 3 files changed, 20 insertions(+), 24 deletions(-)

diff --git a/xen/arch/arm/include/asm/arm32/processor.h b/xen/arch/arm/include/asm/arm32/processor.h
index 4e679f3273ab..10d5ff5c192e 100644
--- a/xen/arch/arm/include/asm/arm32/processor.h
+++ b/xen/arch/arm/include/asm/arm32/processor.h
@@ -56,6 +56,11 @@ struct cpu_user_regs
     uint32_t pad1; /* Doubleword-align the user half of the frame */
 };
 
+#define hyp_mode(r)          psr_mode((r)->cpsr, PSR_MODE_HYP)
+#define regs_mode_is_user(r) usr_mode(r)
+
+#define regs_mode_is_32bit(regs) (true)
+
 #endif
 
 #endif /* __ASM_ARM_ARM32_PROCESSOR_H */
diff --git a/xen/arch/arm/include/asm/arm64/processor.h b/xen/arch/arm/include/asm/arm64/processor.h
index c749f80ad91b..daf890708d87 100644
--- a/xen/arch/arm/include/asm/arm64/processor.h
+++ b/xen/arch/arm/include/asm/arm64/processor.h
@@ -86,6 +86,21 @@ struct cpu_user_regs
 
 #undef __DECL_REG
 
+#define hyp_mode(r)                                                            \
+        (psr_mode((r)->cpsr, PSR_MODE_EL2h) ||                                 \
+         psr_mode((r)->cpsr, PSR_MODE_EL2t))
+
+/*
+ * Trap may have been taken from EL0, which might be in AArch32 usr
+ * mode, or in AArch64 mode (PSR_MODE_EL0t).
+ */
+#define regs_mode_is_user(r) (psr_mode((r)->cpsr, PSR_MODE_EL0t) || usr_mode(r))
+
+static inline bool regs_mode_is_32bit(const struct cpu_user_regs *regs)
+{
+    return !!(regs->cpsr & PSR_MODE_BIT);
+}
+
 #endif /* __ASSEMBLY__ */
 
 #endif /* __ASM_ARM_ARM64_PROCESSOR_H */
diff --git a/xen/arch/arm/include/asm/regs.h b/xen/arch/arm/include/asm/regs.h
index 0d9f239a7782..22d3a1688876 100644
--- a/xen/arch/arm/include/asm/regs.h
+++ b/xen/arch/arm/include/asm/regs.h
@@ -13,15 +13,6 @@
 
 #define psr_mode(psr,m) (((psr) & PSR_MODE_MASK) == (m))
 
-static inline bool regs_mode_is_32bit(const struct cpu_user_regs *regs)
-{
-#ifdef CONFIG_ARM_32
-    return true;
-#else
-    return !!(regs->cpsr & PSR_MODE_BIT);
-#endif
-}
-
 #define usr_mode(r)     psr_mode((r)->cpsr,PSR_MODE_USR)
 #define fiq_mode(r)     psr_mode((r)->cpsr,PSR_MODE_FIQ)
 #define irq_mode(r)     psr_mode((r)->cpsr,PSR_MODE_IRQ)
@@ -31,21 +22,6 @@ static inline bool regs_mode_is_32bit(const struct cpu_user_regs *regs)
 #define und_mode(r)     psr_mode((r)->cpsr,PSR_MODE_UND)
 #define sys_mode(r)     psr_mode((r)->cpsr,PSR_MODE_SYS)
 
-#ifdef CONFIG_ARM_32
-#define hyp_mode(r)     psr_mode((r)->cpsr,PSR_MODE_HYP)
-#define regs_mode_is_user(r) usr_mode(r)
-#else
-#define hyp_mode(r)     (psr_mode((r)->cpsr,PSR_MODE_EL2h) || \
-                         psr_mode((r)->cpsr,PSR_MODE_EL2t))
-
-/*
- * Trap may have been taken from EL0, which might be in AArch32 usr
- * mode, or in AArch64 mode (PSR_MODE_EL0t).
- */
-#define regs_mode_is_user(r) \
-    (psr_mode((r)->cpsr,PSR_MODE_EL0t) || usr_mode(r))
-#endif
-
 static inline bool guest_mode(const struct cpu_user_regs *r)
 {
     unsigned long diff = (uintptr_t)guest_cpu_user_regs() - (uintptr_t)(r);
-- 
2.34.1