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From: Andrii Anisov <andrii.anisov@gmail.com>
To: xen-devel@lists.xenproject.org
Cc: Julien Grall <julien@xen.org>,
	Stefano Stabellini <sstabellini@kernel.org>,
	Andrii Anisov <andrii_anisov@epam.com>,
	Volodymyr Babchuk <Volodymyr_Babchuk@epam.com>
Subject: [Xen-devel] [RFC 3/7] arm64:armds: ARM Compiler 6.6 does not accept `rx` registers naming for AArch64
Date: Wed,  6 Nov 2019 11:19:09 +0200	[thread overview]
Message-ID: <1573031953-12894-4-git-send-email-andrii.anisov@gmail.com> (raw)
In-Reply-To: <1573031953-12894-1-git-send-email-andrii.anisov@gmail.com>

From: Andrii Anisov <andrii_anisov@epam.com>

So get the code duplication with `x`-es.

Signed-off-by: Andrii Anisov <andrii_anisov@epam.com>
---
 xen/include/asm-arm/smccc.h | 60 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)

diff --git a/xen/include/asm-arm/smccc.h b/xen/include/asm-arm/smccc.h
index 126399d..3fa1144 100644
--- a/xen/include/asm-arm/smccc.h
+++ b/xen/include/asm-arm/smccc.h
@@ -120,6 +120,8 @@ struct arm_smccc_res {
 #define __constraint_read_6 __constraint_read_5, "r" (r6)
 #define __constraint_read_7 __constraint_read_6, "r" (r7)
 
+#ifdef CONFIG_ARM_32
+
 #define __declare_arg_0(a0, res)                        \
     struct arm_smccc_res    *___res = res;              \
     register unsigned long  r0 asm("r0") = (uint32_t)a0;\
@@ -174,6 +176,64 @@ struct arm_smccc_res {
     __declare_arg_6(a0, a1, a2, a3, a4, a5, a6, res);           \
     register typeof(a7) r7 asm("r7") = __a7
 
+#else /* ARM_64 */
+
+#define __declare_arg_0(a0, res)                        \
+    struct arm_smccc_res    *___res = res;              \
+    register unsigned long  r0 asm("x0") = (uint32_t)a0;\
+    register unsigned long  r1 asm("x1");               \
+    register unsigned long  r2 asm("x2");               \
+    register unsigned long  r3 asm("x3")
+
+#define __declare_arg_1(a0, a1, res)                    \
+    typeof(a1) __a1 = a1;                               \
+    struct arm_smccc_res    *___res = res;              \
+    register unsigned long  r0 asm("x0") = (uint32_t)a0;\
+    register unsigned long  r1 asm("x1") = __a1;        \
+    register unsigned long  r2 asm("x2");               \
+    register unsigned long  r3 asm("x3")
+
+#define __declare_arg_2(a0, a1, a2, res)                \
+    typeof(a1) __a1 = a1;                               \
+    typeof(a2) __a2 = a2;                               \
+    struct arm_smccc_res    *___res = res;                              \
+    register unsigned long  r0 asm("x0") = (uint32_t)a0;\
+    register unsigned long  r1 asm("x1") = __a1;        \
+    register unsigned long  r2 asm("x2") = __a2;        \
+    register unsigned long  r3 asm("x3")
+
+#define __declare_arg_3(a0, a1, a2, a3, res)            \
+    typeof(a1) __a1 = a1;                               \
+    typeof(a2) __a2 = a2;                               \
+    typeof(a3) __a3 = a3;                               \
+    struct arm_smccc_res    *___res = res;              \
+    register unsigned long  r0 asm("x0") = (uint32_t)a0;\
+    register unsigned long  r1 asm("x1") = __a1;        \
+    register unsigned long  r2 asm("x2") = __a2;        \
+    register unsigned long  r3 asm("x3") = __a3
+
+#define __declare_arg_4(a0, a1, a2, a3, a4, res)        \
+    typeof(a4) __a4 = a4;                               \
+    __declare_arg_3(a0, a1, a2, a3, res);               \
+    register unsigned long r4 asm("x4") = __a4
+
+#define __declare_arg_5(a0, a1, a2, a3, a4, a5, res)    \
+    typeof(a5) __a5 = a5;                               \
+    __declare_arg_4(a0, a1, a2, a3, a4, res);           \
+    register typeof(a5) r5 asm("x5") = __a5
+
+#define __declare_arg_6(a0, a1, a2, a3, a4, a5, a6, res)    \
+    typeof(a6) __a6 = a6;                                   \
+    __declare_arg_5(a0, a1, a2, a3, a4, a5, res);           \
+    register typeof(a6) r6 asm("x6") = __a6
+
+#define __declare_arg_7(a0, a1, a2, a3, a4, a5, a6, a7, res)    \
+    typeof(a7) __a7 = a7;                                       \
+    __declare_arg_6(a0, a1, a2, a3, a4, a5, a6, res);           \
+    register typeof(a7) r7 asm("x7") = __a7
+
+#endif
+
 #define ___declare_args(count, ...) __declare_arg_ ## count(__VA_ARGS__)
 #define __declare_args(count, ...)  ___declare_args(count, __VA_ARGS__)
 
-- 
2.7.4


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  parent reply	other threads:[~2019-11-06  9:20 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-06  9:19 [Xen-devel] [RFC 0/7] Build XEN with ARM Compiler 6.6.3 Andrii Anisov
2019-11-06  9:19 ` [Xen-devel] [RFC 1/7] xen: clang: Support correctly cross-compile Andrii Anisov
2019-11-06 11:07   ` Wei Liu
2019-11-06 15:24   ` Jan Beulich
2019-11-18  6:08   ` Julien Grall
2019-11-06  9:19 ` [Xen-devel] [RFC 2/7] WIP: Compilation with ARM DS-6 compiler Andrii Anisov
2019-11-06 15:28   ` Jan Beulich
2019-11-06 22:08     ` Artem Mygaiev
2019-11-07  7:31       ` Jan Beulich
2019-11-13 17:15         ` Artem Mygaiev
2019-11-13 23:19           ` Julien Grall
2019-11-14 14:12             ` Artem Mygaiev
2019-11-18  6:18               ` Julien Grall
2019-11-19 15:16                 ` Artem Mygaiev
2019-11-19 16:13                   ` Julien Grall
2019-11-06  9:19 ` Andrii Anisov [this message]
2019-11-06 15:32   ` [Xen-devel] [RFC 3/7] arm64:armds: ARM Compiler 6.6 does not accept `rx` registers naming for AArch64 Jan Beulich
2019-11-11 20:49     ` Stefano Stabellini
2019-11-13  5:56   ` Julien Grall
2019-11-06  9:19 ` [Xen-devel] [RFC 4/7] arm/gic: Drop pointless assertions Andrii Anisov
2019-11-11 20:52   ` Stefano Stabellini
2019-11-13  1:14     ` Julien Grall
2019-11-20 22:15       ` Stefano Stabellini
2019-11-06  9:19 ` [Xen-devel] [RFC 5/7] WIP:arm64:armds: Build XEN with ARM Compiler 6.6 Andrii Anisov
2019-11-11 21:26   ` Stefano Stabellini
2019-11-13  5:50     ` Julien Grall
2019-11-14 11:31       ` Andrii Anisov
2019-11-18  7:03         ` Julien Grall
2019-11-14 11:14     ` Andrii Anisov
2019-11-20 22:56       ` Stefano Stabellini
2019-11-06  9:19 ` [Xen-devel] [RFC 6/7] arm: Introduce dummy empty functions for data only C files Andrii Anisov
2019-11-11 20:57   ` Stefano Stabellini
2019-11-13 16:41     ` Andrii Anisov
2019-11-13 23:03     ` Julien Grall
2019-11-14 13:32       ` Artem Mygaiev
2019-11-20 22:20         ` Stefano Stabellini
2019-11-13  5:51   ` Julien Grall
2019-11-13 17:07     ` Andrii Anisov
2019-11-06  9:19 ` [Xen-devel] [RFC 7/7] arm/gic-v3: add GIC version suffix to iomem range variables Andrii Anisov
2019-11-11 20:59   ` Stefano Stabellini
2019-11-13  1:25     ` Julien Grall
2019-11-14  8:35     ` Andrii Anisov
2019-11-20 22:23       ` Stefano Stabellini
2019-11-21  9:05         ` Andrii Anisov

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