[tip:WIP.x86/core 1/1] include/linux/arm-smccc.h:512:13: warning: unused variable '__a3'

From: kernel test robot
Date: Wed Mar 19 2025 - 08:58:27 EST

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Hi Ingo,

FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.x86/core
head: 9262ee6499954dd387e4507e03b84512ab100706
commit: 9262ee6499954dd387e4507e03b84512ab100706 [1/1] compiler/gcc: Make asm() templates asm __inline__() by default
config: arm64-randconfig-001-20250319 (https://download.01.org/0day-ci/archive/20250319/202503192036.1r0auJUZ-lkp@xxxxxxxxx/config)
compiler: aarch64-linux-gcc (GCC) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250319/202503192036.1r0auJUZ-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202503192036.1r0auJUZ-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

# define asm_inline __asm__ __inline
^
include/linux/compiler_types.h:480:19: note: in expansion of macro 'asm_inline'
# define asm(...) asm_inline(__VA_ARGS__)
^~~~~~~~~~
include/linux/arm-smccc.h:516:27: note: in expansion of macro 'asm'
register typeof(a2) arg2 asm("r2") = __a2; \
^~~
include/linux/arm-smccc.h:521:2: note: in expansion of macro '__declare_arg_5'
__declare_arg_5(a0, a1, a2, a3, res); \
^~~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in expansion of macro '__declare_arg_6'
#define __CONCAT(a, b) a ## b
^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
#define CONCATENATE(a, b) __CONCAT(a, b)
^~~~~~~~
include/linux/arm-smccc.h:550:3: note: in expansion of macro 'CONCATENATE'
CONCATENATE(__declare_arg_, \
^~~~~~~~~~~
include/linux/arm-smccc.h:591:32: note: in expansion of macro '__arm_smccc_1_1'
#define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:629:4: note: in expansion of macro 'arm_smccc_1_1_hvc'
arm_smccc_1_1_hvc(__VA_ARGS__); \
^~~~~~~~~~~~~~~~~
arch/arm64/include/asm/rsi_cmds.h:152:2: note: in expansion of macro 'arm_smccc_1_1_invoke'
arm_smccc_1_1_invoke(SMC_RSI_ATTESTATION_TOKEN_CONTINUE,
^~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:479:29: error: expected '(' before '__inline'
# define asm_inline __asm__ __inline
^
include/linux/compiler_types.h:480:19: note: in expansion of macro 'asm_inline'
# define asm(...) asm_inline(__VA_ARGS__)
^~~~~~~~~~
include/linux/arm-smccc.h:517:27: note: in expansion of macro 'asm'
register typeof(a3) arg3 asm("r3") = __a3
^~~
include/linux/arm-smccc.h:521:2: note: in expansion of macro '__declare_arg_5'
__declare_arg_5(a0, a1, a2, a3, res); \
^~~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in expansion of macro '__declare_arg_6'
#define __CONCAT(a, b) a ## b
^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
#define CONCATENATE(a, b) __CONCAT(a, b)
^~~~~~~~
include/linux/arm-smccc.h:550:3: note: in expansion of macro 'CONCATENATE'
CONCATENATE(__declare_arg_, \
^~~~~~~~~~~
include/linux/arm-smccc.h:591:32: note: in expansion of macro '__arm_smccc_1_1'
#define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:629:4: note: in expansion of macro 'arm_smccc_1_1_hvc'
arm_smccc_1_1_hvc(__VA_ARGS__); \
^~~~~~~~~~~~~~~~~
arch/arm64/include/asm/rsi_cmds.h:152:2: note: in expansion of macro 'arm_smccc_1_1_invoke'
arm_smccc_1_1_invoke(SMC_RSI_ATTESTATION_TOKEN_CONTINUE,
^~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:479:29: error: expected '(' before '__inline'
# define asm_inline __asm__ __inline
^
include/linux/compiler_types.h:480:19: note: in expansion of macro 'asm_inline'
# define asm(...) asm_inline(__VA_ARGS__)
^~~~~~~~~~
include/linux/arm-smccc.h:522:27: note: in expansion of macro 'asm'
register typeof(a4) arg4 asm("r4") = __a4
^~~
include/linux/args.h:25:24: note: in expansion of macro '__declare_arg_6'
#define __CONCAT(a, b) a ## b
^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
#define CONCATENATE(a, b) __CONCAT(a, b)
^~~~~~~~
include/linux/arm-smccc.h:550:3: note: in expansion of macro 'CONCATENATE'
CONCATENATE(__declare_arg_, \
^~~~~~~~~~~
include/linux/arm-smccc.h:591:32: note: in expansion of macro '__arm_smccc_1_1'
#define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:629:4: note: in expansion of macro 'arm_smccc_1_1_hvc'
arm_smccc_1_1_hvc(__VA_ARGS__); \
^~~~~~~~~~~~~~~~~
arch/arm64/include/asm/rsi_cmds.h:152:2: note: in expansion of macro 'arm_smccc_1_1_invoke'
arm_smccc_1_1_invoke(SMC_RSI_ATTESTATION_TOKEN_CONTINUE,
^~~~~~~~~~~~~~~~~~~~
In file included from arch/arm64/include/asm/rsi_cmds.h:9:0,
from arch/arm64/include/asm/rsi.h:11,
from arch/arm64/include/asm/pgtable-prot.h:70,
from arch/arm64/include/asm/sparsemem.h:8,
from include/linux/page-flags-layout.h:30,
from include/linux/mmzone.h:20,
from include/linux/gfp.h:7,
from include/linux/slab.h:16,
from include/linux/resource_ext.h:11,
from include/linux/acpi.h:13,
from include/acpi/apei.h:9,
from include/acpi/ghes.h:5,
from include/linux/arm_sdei.h:8,
from arch/arm64/kernel/asm-offsets.c:10:
>> include/linux/arm-smccc.h:512:13: warning: unused variable '__a3' [-Wunused-variable]
typeof(a3) __a3 = a3; \
^
include/linux/arm-smccc.h:521:2: note: in expansion of macro '__declare_arg_5'
__declare_arg_5(a0, a1, a2, a3, res); \
^~~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in expansion of macro '__declare_arg_6'
#define __CONCAT(a, b) a ## b
^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
#define CONCATENATE(a, b) __CONCAT(a, b)
^~~~~~~~
include/linux/arm-smccc.h:550:3: note: in expansion of macro 'CONCATENATE'
CONCATENATE(__declare_arg_, \
^~~~~~~~~~~
include/linux/arm-smccc.h:591:32: note: in expansion of macro '__arm_smccc_1_1'
#define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:629:4: note: in expansion of macro 'arm_smccc_1_1_hvc'
arm_smccc_1_1_hvc(__VA_ARGS__); \
^~~~~~~~~~~~~~~~~
arch/arm64/include/asm/rsi_cmds.h:152:2: note: in expansion of macro 'arm_smccc_1_1_invoke'
arm_smccc_1_1_invoke(SMC_RSI_ATTESTATION_TOKEN_CONTINUE,
^~~~~~~~~~~~~~~~~~~~
>> include/linux/arm-smccc.h:511:13: warning: unused variable '__a2' [-Wunused-variable]
typeof(a2) __a2 = a2; \
^
include/linux/arm-smccc.h:521:2: note: in expansion of macro '__declare_arg_5'
__declare_arg_5(a0, a1, a2, a3, res); \
^~~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in expansion of macro '__declare_arg_6'
#define __CONCAT(a, b) a ## b
^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
#define CONCATENATE(a, b) __CONCAT(a, b)
^~~~~~~~
include/linux/arm-smccc.h:550:3: note: in expansion of macro 'CONCATENATE'
CONCATENATE(__declare_arg_, \
^~~~~~~~~~~
include/linux/arm-smccc.h:591:32: note: in expansion of macro '__arm_smccc_1_1'
#define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:629:4: note: in expansion of macro 'arm_smccc_1_1_hvc'
arm_smccc_1_1_hvc(__VA_ARGS__); \
^~~~~~~~~~~~~~~~~
arch/arm64/include/asm/rsi_cmds.h:152:2: note: in expansion of macro 'arm_smccc_1_1_invoke'
arm_smccc_1_1_invoke(SMC_RSI_ATTESTATION_TOKEN_CONTINUE,
^~~~~~~~~~~~~~~~~~~~
>> include/linux/arm-smccc.h:510:13: warning: unused variable '__a1' [-Wunused-variable]
typeof(a1) __a1 = a1; \
^
include/linux/arm-smccc.h:521:2: note: in expansion of macro '__declare_arg_5'
__declare_arg_5(a0, a1, a2, a3, res); \
^~~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in expansion of macro '__declare_arg_6'
#define __CONCAT(a, b) a ## b
^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
#define CONCATENATE(a, b) __CONCAT(a, b)
^~~~~~~~
include/linux/arm-smccc.h:550:3: note: in expansion of macro 'CONCATENATE'
CONCATENATE(__declare_arg_, \
^~~~~~~~~~~
include/linux/arm-smccc.h:591:32: note: in expansion of macro '__arm_smccc_1_1'
#define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:629:4: note: in expansion of macro 'arm_smccc_1_1_hvc'
arm_smccc_1_1_hvc(__VA_ARGS__); \
^~~~~~~~~~~~~~~~~
arch/arm64/include/asm/rsi_cmds.h:152:2: note: in expansion of macro 'arm_smccc_1_1_invoke'
arm_smccc_1_1_invoke(SMC_RSI_ATTESTATION_TOKEN_CONTINUE,
^~~~~~~~~~~~~~~~~~~~
>> include/linux/arm-smccc.h:520:13: warning: unused variable '__a4' [-Wunused-variable]
typeof(a4) __a4 = a4; \
^
include/linux/args.h:25:24: note: in expansion of macro '__declare_arg_6'
#define __CONCAT(a, b) a ## b
^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
#define CONCATENATE(a, b) __CONCAT(a, b)
^~~~~~~~
include/linux/arm-smccc.h:550:3: note: in expansion of macro 'CONCATENATE'
CONCATENATE(__declare_arg_, \
^~~~~~~~~~~
include/linux/arm-smccc.h:591:32: note: in expansion of macro '__arm_smccc_1_1'
#define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:629:4: note: in expansion of macro 'arm_smccc_1_1_hvc'
arm_smccc_1_1_hvc(__VA_ARGS__); \
^~~~~~~~~~~~~~~~~
arch/arm64/include/asm/rsi_cmds.h:152:2: note: in expansion of macro 'arm_smccc_1_1_invoke'
arm_smccc_1_1_invoke(SMC_RSI_ATTESTATION_TOKEN_CONTINUE,
^~~~~~~~~~~~~~~~~~~~
In file included from <command-line>:0:0:
include/linux/compiler_types.h:479:29: error: expected '(' before '__inline'
# define asm_inline __asm__ __inline
^
include/linux/compiler_types.h:480:19: note: in expansion of macro 'asm_inline'
# define asm(...) asm_inline(__VA_ARGS__)
^~~~~~~~~~
include/linux/arm-smccc.h:546:29: note: in expansion of macro 'asm'
register unsigned long r0 asm("r0"); \
^~~
include/linux/arm-smccc.h:575:32: note: in expansion of macro '__arm_smccc_1_1'
#define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:632:4: note: in expansion of macro 'arm_smccc_1_1_smc'
arm_smccc_1_1_smc(__VA_ARGS__); \
^~~~~~~~~~~~~~~~~
arch/arm64/include/asm/rsi_cmds.h:152:2: note: in expansion of macro 'arm_smccc_1_1_invoke'
arm_smccc_1_1_invoke(SMC_RSI_ATTESTATION_TOKEN_CONTINUE,
^~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:479:29: error: expected '(' before '__inline'
# define asm_inline __asm__ __inline
^
include/linux/compiler_types.h:480:19: note: in expansion of macro 'asm_inline'
# define asm(...) asm_inline(__VA_ARGS__)
^~~~~~~~~~
include/linux/arm-smccc.h:547:29: note: in expansion of macro 'asm'
register unsigned long r1 asm("r1"); \
^~~
include/linux/arm-smccc.h:575:32: note: in expansion of macro '__arm_smccc_1_1'
#define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:632:4: note: in expansion of macro 'arm_smccc_1_1_smc'
arm_smccc_1_1_smc(__VA_ARGS__); \
^~~~~~~~~~~~~~~~~
arch/arm64/include/asm/rsi_cmds.h:152:2: note: in expansion of macro 'arm_smccc_1_1_invoke'
arm_smccc_1_1_invoke(SMC_RSI_ATTESTATION_TOKEN_CONTINUE,
^~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:479:29: error: expected '(' before '__inline'
# define asm_inline __asm__ __inline
^
include/linux/compiler_types.h:480:19: note: in expansion of macro 'asm_inline'
# define asm(...) asm_inline(__VA_ARGS__)
^~~~~~~~~~
include/linux/arm-smccc.h:548:29: note: in expansion of macro 'asm'
register unsigned long r2 asm("r2"); \
^~~
include/linux/arm-smccc.h:575:32: note: in expansion of macro '__arm_smccc_1_1'
#define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:632:4: note: in expansion of macro 'arm_smccc_1_1_smc'
arm_smccc_1_1_smc(__VA_ARGS__); \
^~~~~~~~~~~~~~~~~
arch/arm64/include/asm/rsi_cmds.h:152:2: note: in expansion of macro 'arm_smccc_1_1_invoke'
arm_smccc_1_1_invoke(SMC_RSI_ATTESTATION_TOKEN_CONTINUE,
^~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:479:29: error: expected '(' before '__inline'
# define asm_inline __asm__ __inline
^
include/linux/compiler_types.h:480:19: note: in expansion of macro 'asm_inline'
# define asm(...) asm_inline(__VA_ARGS__)
^~~~~~~~~~
include/linux/arm-smccc.h:549:29: note: in expansion of macro 'asm'
register unsigned long r3 asm("r3"); \
^~~
include/linux/arm-smccc.h:575:32: note: in expansion of macro '__arm_smccc_1_1'
#define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:632:4: note: in expansion of macro 'arm_smccc_1_1_smc'
arm_smccc_1_1_smc(__VA_ARGS__); \
^~~~~~~~~~~~~~~~~
arch/arm64/include/asm/rsi_cmds.h:152:2: note: in expansion of macro 'arm_smccc_1_1_invoke'
arm_smccc_1_1_invoke(SMC_RSI_ATTESTATION_TOKEN_CONTINUE,
^~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:479:29: error: expected '(' before '__inline'
# define asm_inline __asm__ __inline
^
include/linux/compiler_types.h:480:19: note: in expansion of macro 'asm_inline'
# define asm(...) asm_inline(__VA_ARGS__)
^~~~~~~~~~
include/linux/arm-smccc.h:514:30: note: in expansion of macro 'asm'
--
# define asm_inline __asm__ __inline
^
include/linux/compiler_types.h:480:19: note: in expansion of macro 'asm_inline'
# define asm(...) asm_inline(__VA_ARGS__)
^~~~~~~~~~
include/linux/arm-smccc.h:516:27: note: in expansion of macro 'asm'
register typeof(a2) arg2 asm("r2") = __a2; \
^~~
include/linux/arm-smccc.h:521:2: note: in expansion of macro '__declare_arg_5'
__declare_arg_5(a0, a1, a2, a3, res); \
^~~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in expansion of macro '__declare_arg_6'
#define __CONCAT(a, b) a ## b
^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
#define CONCATENATE(a, b) __CONCAT(a, b)
^~~~~~~~
include/linux/arm-smccc.h:550:3: note: in expansion of macro 'CONCATENATE'
CONCATENATE(__declare_arg_, \
^~~~~~~~~~~
include/linux/arm-smccc.h:575:32: note: in expansion of macro '__arm_smccc_1_1'
#define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:632:4: note: in expansion of macro 'arm_smccc_1_1_smc'
arm_smccc_1_1_smc(__VA_ARGS__); \
^~~~~~~~~~~~~~~~~
arch/arm64/include/asm/rsi_cmds.h:152:2: note: in expansion of macro 'arm_smccc_1_1_invoke'
arm_smccc_1_1_invoke(SMC_RSI_ATTESTATION_TOKEN_CONTINUE,
^~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:479:29: error: expected '(' before '__inline'
# define asm_inline __asm__ __inline
^
include/linux/compiler_types.h:480:19: note: in expansion of macro 'asm_inline'
# define asm(...) asm_inline(__VA_ARGS__)
^~~~~~~~~~
include/linux/arm-smccc.h:517:27: note: in expansion of macro 'asm'
register typeof(a3) arg3 asm("r3") = __a3
^~~
include/linux/arm-smccc.h:521:2: note: in expansion of macro '__declare_arg_5'
__declare_arg_5(a0, a1, a2, a3, res); \
^~~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in expansion of macro '__declare_arg_6'
#define __CONCAT(a, b) a ## b
^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
#define CONCATENATE(a, b) __CONCAT(a, b)
^~~~~~~~
include/linux/arm-smccc.h:550:3: note: in expansion of macro 'CONCATENATE'
CONCATENATE(__declare_arg_, \
^~~~~~~~~~~
include/linux/arm-smccc.h:575:32: note: in expansion of macro '__arm_smccc_1_1'
#define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:632:4: note: in expansion of macro 'arm_smccc_1_1_smc'
arm_smccc_1_1_smc(__VA_ARGS__); \
^~~~~~~~~~~~~~~~~
arch/arm64/include/asm/rsi_cmds.h:152:2: note: in expansion of macro 'arm_smccc_1_1_invoke'
arm_smccc_1_1_invoke(SMC_RSI_ATTESTATION_TOKEN_CONTINUE,
^~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:479:29: error: expected '(' before '__inline'
# define asm_inline __asm__ __inline
^
include/linux/compiler_types.h:480:19: note: in expansion of macro 'asm_inline'
# define asm(...) asm_inline(__VA_ARGS__)
^~~~~~~~~~
include/linux/arm-smccc.h:522:27: note: in expansion of macro 'asm'
register typeof(a4) arg4 asm("r4") = __a4
^~~
include/linux/args.h:25:24: note: in expansion of macro '__declare_arg_6'
#define __CONCAT(a, b) a ## b
^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
#define CONCATENATE(a, b) __CONCAT(a, b)
^~~~~~~~
include/linux/arm-smccc.h:550:3: note: in expansion of macro 'CONCATENATE'
CONCATENATE(__declare_arg_, \
^~~~~~~~~~~
include/linux/arm-smccc.h:575:32: note: in expansion of macro '__arm_smccc_1_1'
#define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:632:4: note: in expansion of macro 'arm_smccc_1_1_smc'
arm_smccc_1_1_smc(__VA_ARGS__); \
^~~~~~~~~~~~~~~~~
arch/arm64/include/asm/rsi_cmds.h:152:2: note: in expansion of macro 'arm_smccc_1_1_invoke'
arm_smccc_1_1_invoke(SMC_RSI_ATTESTATION_TOKEN_CONTINUE,
^~~~~~~~~~~~~~~~~~~~
In file included from arch/arm64/include/asm/rsi_cmds.h:9:0,
from arch/arm64/include/asm/rsi.h:11,
from arch/arm64/include/asm/pgtable-prot.h:70,
from arch/arm64/include/asm/sparsemem.h:8,
from include/linux/page-flags-layout.h:30,
from include/linux/mmzone.h:20,
from include/linux/gfp.h:7,
from include/linux/slab.h:16,
from include/linux/resource_ext.h:11,
from include/linux/acpi.h:13,
from include/acpi/apei.h:9,
from include/acpi/ghes.h:5,
from include/linux/arm_sdei.h:8,
from arch/arm64/kernel/asm-offsets.c:10:
>> include/linux/arm-smccc.h:512:13: warning: unused variable '__a3' [-Wunused-variable]
typeof(a3) __a3 = a3; \
^
include/linux/arm-smccc.h:521:2: note: in expansion of macro '__declare_arg_5'
__declare_arg_5(a0, a1, a2, a3, res); \
^~~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in expansion of macro '__declare_arg_6'
#define __CONCAT(a, b) a ## b
^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
#define CONCATENATE(a, b) __CONCAT(a, b)
^~~~~~~~
include/linux/arm-smccc.h:550:3: note: in expansion of macro 'CONCATENATE'
CONCATENATE(__declare_arg_, \
^~~~~~~~~~~
include/linux/arm-smccc.h:575:32: note: in expansion of macro '__arm_smccc_1_1'
#define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:632:4: note: in expansion of macro 'arm_smccc_1_1_smc'
arm_smccc_1_1_smc(__VA_ARGS__); \
^~~~~~~~~~~~~~~~~
arch/arm64/include/asm/rsi_cmds.h:152:2: note: in expansion of macro 'arm_smccc_1_1_invoke'
arm_smccc_1_1_invoke(SMC_RSI_ATTESTATION_TOKEN_CONTINUE,
^~~~~~~~~~~~~~~~~~~~
>> include/linux/arm-smccc.h:511:13: warning: unused variable '__a2' [-Wunused-variable]
typeof(a2) __a2 = a2; \
^
include/linux/arm-smccc.h:521:2: note: in expansion of macro '__declare_arg_5'
__declare_arg_5(a0, a1, a2, a3, res); \
^~~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in expansion of macro '__declare_arg_6'
#define __CONCAT(a, b) a ## b
^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
#define CONCATENATE(a, b) __CONCAT(a, b)
^~~~~~~~
include/linux/arm-smccc.h:550:3: note: in expansion of macro 'CONCATENATE'
CONCATENATE(__declare_arg_, \
^~~~~~~~~~~
include/linux/arm-smccc.h:575:32: note: in expansion of macro '__arm_smccc_1_1'
#define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:632:4: note: in expansion of macro 'arm_smccc_1_1_smc'
arm_smccc_1_1_smc(__VA_ARGS__); \
^~~~~~~~~~~~~~~~~
arch/arm64/include/asm/rsi_cmds.h:152:2: note: in expansion of macro 'arm_smccc_1_1_invoke'
arm_smccc_1_1_invoke(SMC_RSI_ATTESTATION_TOKEN_CONTINUE,
^~~~~~~~~~~~~~~~~~~~
>> include/linux/arm-smccc.h:510:13: warning: unused variable '__a1' [-Wunused-variable]
typeof(a1) __a1 = a1; \
^
include/linux/arm-smccc.h:521:2: note: in expansion of macro '__declare_arg_5'
__declare_arg_5(a0, a1, a2, a3, res); \
^~~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in expansion of macro '__declare_arg_6'
#define __CONCAT(a, b) a ## b
^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
#define CONCATENATE(a, b) __CONCAT(a, b)
^~~~~~~~
include/linux/arm-smccc.h:550:3: note: in expansion of macro 'CONCATENATE'
CONCATENATE(__declare_arg_, \
^~~~~~~~~~~
include/linux/arm-smccc.h:575:32: note: in expansion of macro '__arm_smccc_1_1'
#define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:632:4: note: in expansion of macro 'arm_smccc_1_1_smc'
arm_smccc_1_1_smc(__VA_ARGS__); \
^~~~~~~~~~~~~~~~~
arch/arm64/include/asm/rsi_cmds.h:152:2: note: in expansion of macro 'arm_smccc_1_1_invoke'
arm_smccc_1_1_invoke(SMC_RSI_ATTESTATION_TOKEN_CONTINUE,
^~~~~~~~~~~~~~~~~~~~
>> include/linux/arm-smccc.h:520:13: warning: unused variable '__a4' [-Wunused-variable]
typeof(a4) __a4 = a4; \
^
include/linux/args.h:25:24: note: in expansion of macro '__declare_arg_6'
#define __CONCAT(a, b) a ## b
^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
#define CONCATENATE(a, b) __CONCAT(a, b)
^~~~~~~~
include/linux/arm-smccc.h:550:3: note: in expansion of macro 'CONCATENATE'
CONCATENATE(__declare_arg_, \
^~~~~~~~~~~
include/linux/arm-smccc.h:575:32: note: in expansion of macro '__arm_smccc_1_1'
#define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
^~~~~~~~~~~~~~~
include/linux/arm-smccc.h:632:4: note: in expansion of macro 'arm_smccc_1_1_smc'
arm_smccc_1_1_smc(__VA_ARGS__); \
^~~~~~~~~~~~~~~~~
arch/arm64/include/asm/rsi_cmds.h:152:2: note: in expansion of macro 'arm_smccc_1_1_invoke'
arm_smccc_1_1_invoke(SMC_RSI_ATTESTATION_TOKEN_CONTINUE,
^~~~~~~~~~~~~~~~~~~~
In file included from <command-line>:0:0:
include/linux/compiler_types.h:479:29: error: expected '(' before '__inline'
# define asm_inline __asm__ __inline
^
include/linux/compiler_types.h:480:19: note: in expansion of macro 'asm_inline'
# define asm(...) asm_inline(__VA_ARGS__)
^~~~~~~~~~
include/linux/arm-smccc.h:514:30: note: in expansion of macro 'asm'
register unsigned long arg0 asm("r0") = (u32)a0; \
^~~
include/linux/arm-smccc.h:521:2: note: in expansion of macro '__declare_arg_5'
__declare_arg_5(a0, a1, a2, a3, res); \
^~~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in expansion of macro '__declare_arg_6'
#define __CONCAT(a, b) a ## b
^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
#define CONCATENATE(a, b) __CONCAT(a, b)
^~~~~~~~
include/linux/arm-smccc.h:600:3: note: in expansion of macro 'CONCATENATE'
CONCATENATE(__declare_arg_, \
^~~~~~~~~~~
include/linux/arm-smccc.h:635:4: note: in expansion of macro '__fail_smccc_1_1'
__fail_smccc_1_1(__VA_ARGS__); \
^~~~~~~~~~~~~~~~
arch/arm64/include/asm/rsi_cmds.h:152:2: note: in expansion of macro 'arm_smccc_1_1_invoke'
arm_smccc_1_1_invoke(SMC_RSI_ATTESTATION_TOKEN_CONTINUE,
^~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:479:29: error: expected '(' before '__inline'
# define asm_inline __asm__ __inline
^
include/linux/compiler_types.h:480:19: note: in expansion of macro 'asm_inline'
# define asm(...) asm_inline(__VA_ARGS__)
^~~~~~~~~~
include/linux/arm-smccc.h:515:27: note: in expansion of macro 'asm'
register typeof(a1) arg1 asm("r1") = __a1; \
^~~
include/linux/arm-smccc.h:521:2: note: in expansion of macro '__declare_arg_5'
__declare_arg_5(a0, a1, a2, a3, res); \
^~~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in expansion of macro '__declare_arg_6'
#define __CONCAT(a, b) a ## b
^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
#define CONCATENATE(a, b) __CONCAT(a, b)
^~~~~~~~
include/linux/arm-smccc.h:600:3: note: in expansion of macro 'CONCATENATE'
CONCATENATE(__declare_arg_, \
^~~~~~~~~~~
include/linux/arm-smccc.h:635:4: note: in expansion of macro '__fail_smccc_1_1'
__fail_smccc_1_1(__VA_ARGS__); \
^~~~~~~~~~~~~~~~
arch/arm64/include/asm/rsi_cmds.h:152:2: note: in expansion of macro 'arm_smccc_1_1_invoke'
arm_smccc_1_1_invoke(SMC_RSI_ATTESTATION_TOKEN_CONTINUE,
^~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:479:29: error: expected '(' before '__inline'
# define asm_inline __asm__ __inline
^
include/linux/compiler_types.h:480:19: note: in expansion of macro 'asm_inline'
# define asm(...) asm_inline(__VA_ARGS__)
^~~~~~~~~~
include/linux/arm-smccc.h:516:27: note: in expansion of macro 'asm'
register typeof(a2) arg2 asm("r2") = __a2; \
^~~
include/linux/arm-smccc.h:521:2: note: in expansion of macro '__declare_arg_5'
__declare_arg_5(a0, a1, a2, a3, res); \
^~~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in expansion of macro '__declare_arg_6'
#define __CONCAT(a, b) a ## b
^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
#define CONCATENATE(a, b) __CONCAT(a, b)
^~~~~~~~
include/linux/arm-smccc.h:600:3: note: in expansion of macro 'CONCATENATE'
CONCATENATE(__declare_arg_, \
^~~~~~~~~~~
include/linux/arm-smccc.h:635:4: note: in expansion of macro '__fail_smccc_1_1'
__fail_smccc_1_1(__VA_ARGS__); \
^~~~~~~~~~~~~~~~
arch/arm64/include/asm/rsi_cmds.h:152:2: note: in expansion of macro 'arm_smccc_1_1_invoke'
arm_smccc_1_1_invoke(SMC_RSI_ATTESTATION_TOKEN_CONTINUE,
^~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:479:29: error: expected '(' before '__inline'
# define asm_inline __asm__ __inline
^
include/linux/compiler_types.h:480:19: note: in expansion of macro 'asm_inline'
# define asm(...) asm_inline(__VA_ARGS__)
^~~~~~~~~~
include/linux/arm-smccc.h:517:27: note: in expansion of macro 'asm'
register typeof(a3) arg3 asm("r3") = __a3
^~~
include/linux/arm-smccc.h:521:2: note: in expansion of macro '__declare_arg_5'
__declare_arg_5(a0, a1, a2, a3, res); \
^~~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in expansion of macro '__declare_arg_6'
#define __CONCAT(a, b) a ## b
^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
#define CONCATENATE(a, b) __CONCAT(a, b)
^~~~~~~~
include/linux/arm-smccc.h:600:3: note: in expansion of macro 'CONCATENATE'
CONCATENATE(__declare_arg_, \
^~~~~~~~~~~
include/linux/arm-smccc.h:635:4: note: in expansion of macro '__fail_smccc_1_1'
__fail_smccc_1_1(__VA_ARGS__); \
^~~~~~~~~~~~~~~~
arch/arm64/include/asm/rsi_cmds.h:152:2: note: in expansion of macro 'arm_smccc_1_1_invoke'
arm_smccc_1_1_invoke(SMC_RSI_ATTESTATION_TOKEN_CONTINUE,
^~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:479:29: error: expected '(' before '__inline'
# define asm_inline __asm__ __inline
^
include/linux/compiler_types.h:480:19: note: in expansion of macro 'asm_inline'
# define asm(...) asm_inline(__VA_ARGS__)
^~~~~~~~~~
include/linux/arm-smccc.h:522:27: note: in expansion of macro 'asm'
register typeof(a4) arg4 asm("r4") = __a4
^~~
include/linux/args.h:25:24: note: in expansion of macro '__declare_arg_6'
#define __CONCAT(a, b) a ## b
^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
#define CONCATENATE(a, b) __CONCAT(a, b)
^~~~~~~~
include/linux/arm-smccc.h:600:3: note: in expansion of macro 'CONCATENATE'
CONCATENATE(__declare_arg_, \
^~~~~~~~~~~
include/linux/arm-smccc.h:635:4: note: in expansion of macro '__fail_smccc_1_1'
__fail_smccc_1_1(__VA_ARGS__); \
^~~~~~~~~~~~~~~~
arch/arm64/include/asm/rsi_cmds.h:152:2: note: in expansion of macro 'arm_smccc_1_1_invoke'
arm_smccc_1_1_invoke(SMC_RSI_ATTESTATION_TOKEN_CONTINUE,
^~~~~~~~~~~~~~~~~~~~
In file included from arch/arm64/include/asm/rsi_cmds.h:9:0,
from arch/arm64/include/asm/rsi.h:11,
from arch/arm64/include/asm/pgtable-prot.h:70,
from arch/arm64/include/asm/sparsemem.h:8,
from include/linux/page-flags-layout.h:30,
from include/linux/mmzone.h:20,
from include/linux/gfp.h:7,
from include/linux/slab.h:16,
from include/linux/resource_ext.h:11,
from include/linux/acpi.h:13,
from include/acpi/apei.h:9,
from include/acpi/ghes.h:5,
from include/linux/arm_sdei.h:8,
from arch/arm64/kernel/asm-offsets.c:10:
>> include/linux/arm-smccc.h:512:13: warning: unused variable '__a3' [-Wunused-variable]
typeof(a3) __a3 = a3; \
^
include/linux/arm-smccc.h:521:2: note: in expansion of macro '__declare_arg_5'
__declare_arg_5(a0, a1, a2, a3, res); \
^~~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in expansion of macro '__declare_arg_6'
#define __CONCAT(a, b) a ## b
^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
#define CONCATENATE(a, b) __CONCAT(a, b)
^~~~~~~~
include/linux/arm-smccc.h:600:3: note: in expansion of macro 'CONCATENATE'
CONCATENATE(__declare_arg_, \
^~~~~~~~~~~
include/linux/arm-smccc.h:635:4: note: in expansion of macro '__fail_smccc_1_1'
__fail_smccc_1_1(__VA_ARGS__); \
^~~~~~~~~~~~~~~~
arch/arm64/include/asm/rsi_cmds.h:152:2: note: in expansion of macro 'arm_smccc_1_1_invoke'
arm_smccc_1_1_invoke(SMC_RSI_ATTESTATION_TOKEN_CONTINUE,
^~~~~~~~~~~~~~~~~~~~
>> include/linux/arm-smccc.h:511:13: warning: unused variable '__a2' [-Wunused-variable]
typeof(a2) __a2 = a2; \
^
include/linux/arm-smccc.h:521:2: note: in expansion of macro '__declare_arg_5'
__declare_arg_5(a0, a1, a2, a3, res); \
^~~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in expansion of macro '__declare_arg_6'
#define __CONCAT(a, b) a ## b
^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
#define CONCATENATE(a, b) __CONCAT(a, b)
^~~~~~~~
include/linux/arm-smccc.h:600:3: note: in expansion of macro 'CONCATENATE'
CONCATENATE(__declare_arg_, \
^~~~~~~~~~~
include/linux/arm-smccc.h:635:4: note: in expansion of macro '__fail_smccc_1_1'
__fail_smccc_1_1(__VA_ARGS__); \
^~~~~~~~~~~~~~~~
arch/arm64/include/asm/rsi_cmds.h:152:2: note: in expansion of macro 'arm_smccc_1_1_invoke'
arm_smccc_1_1_invoke(SMC_RSI_ATTESTATION_TOKEN_CONTINUE,
^~~~~~~~~~~~~~~~~~~~
>> include/linux/arm-smccc.h:510:13: warning: unused variable '__a1' [-Wunused-variable]
typeof(a1) __a1 = a1; \
^
include/linux/arm-smccc.h:521:2: note: in expansion of macro '__declare_arg_5'
__declare_arg_5(a0, a1, a2, a3, res); \
^~~~~~~~~~~~~~~
include/linux/args.h:25:24: note: in expansion of macro '__declare_arg_6'
#define __CONCAT(a, b) a ## b
^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
#define CONCATENATE(a, b) __CONCAT(a, b)
^~~~~~~~
include/linux/arm-smccc.h:600:3: note: in expansion of macro 'CONCATENATE'
CONCATENATE(__declare_arg_, \
^~~~~~~~~~~
include/linux/arm-smccc.h:635:4: note: in expansion of macro '__fail_smccc_1_1'
__fail_smccc_1_1(__VA_ARGS__); \
^~~~~~~~~~~~~~~~
arch/arm64/include/asm/rsi_cmds.h:152:2: note: in expansion of macro 'arm_smccc_1_1_invoke'
arm_smccc_1_1_invoke(SMC_RSI_ATTESTATION_TOKEN_CONTINUE,
^~~~~~~~~~~~~~~~~~~~
>> include/linux/arm-smccc.h:520:13: warning: unused variable '__a4' [-Wunused-variable]
typeof(a4) __a4 = a4; \
^
include/linux/args.h:25:24: note: in expansion of macro '__declare_arg_6'
#define __CONCAT(a, b) a ## b
^
include/linux/args.h:26:27: note: in expansion of macro '__CONCAT'
#define CONCATENATE(a, b) __CONCAT(a, b)
^~~~~~~~
include/linux/arm-smccc.h:600:3: note: in expansion of macro 'CONCATENATE'
CONCATENATE(__declare_arg_, \
^~~~~~~~~~~
include/linux/arm-smccc.h:635:4: note: in expansion of macro '__fail_smccc_1_1'
__fail_smccc_1_1(__VA_ARGS__); \
^~~~~~~~~~~~~~~~
arch/arm64/include/asm/rsi_cmds.h:152:2: note: in expansion of macro 'arm_smccc_1_1_invoke'
arm_smccc_1_1_invoke(SMC_RSI_ATTESTATION_TOKEN_CONTINUE,
^~~~~~~~~~~~~~~~~~~~
make[3]: *** [scripts/Makefile.build:102: arch/arm64/kernel/asm-offsets.s] Error 1 shuffle=670308932
make[3]: Target 'prepare' not remade because of errors.
make[2]: *** [Makefile:1269: prepare0] Error 2 shuffle=670308932
make[2]: Target 'prepare' not remade because of errors.
make[1]: *** [Makefile:251: __sub-make] Error 2 shuffle=670308932
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:251: __sub-make] Error 2 shuffle=670308932
make: Target 'prepare' not remade because of errors.

vim +/__a3 +512 include/linux/arm-smccc.h

f2d3b2e8759a58 Marc Zyngier 2018-02-06 490
90e3e18548e6a8 Andy Shevchenko 2023-07-19 491 #define __declare_arg_2(a0, res) \
f2d3b2e8759a58 Marc Zyngier 2018-02-06 492 struct arm_smccc_res *___res = res; \
0794a974d74dc7 Andrew Scull 2020-09-15 493 register unsigned long arg0 asm("r0") = (u32)a0
f2d3b2e8759a58 Marc Zyngier 2018-02-06 494
90e3e18548e6a8 Andy Shevchenko 2023-07-19 495 #define __declare_arg_3(a0, a1, res) \
755a8bf5579d22 Marc Zyngier 2018-08-24 496 typeof(a1) __a1 = a1; \
f2d3b2e8759a58 Marc Zyngier 2018-02-06 497 struct arm_smccc_res *___res = res; \
0794a974d74dc7 Andrew Scull 2020-09-15 498 register unsigned long arg0 asm("r0") = (u32)a0; \
0794a974d74dc7 Andrew Scull 2020-09-15 499 register typeof(a1) arg1 asm("r1") = __a1
f2d3b2e8759a58 Marc Zyngier 2018-02-06 500
90e3e18548e6a8 Andy Shevchenko 2023-07-19 501 #define __declare_arg_4(a0, a1, a2, res) \
755a8bf5579d22 Marc Zyngier 2018-08-24 502 typeof(a1) __a1 = a1; \
755a8bf5579d22 Marc Zyngier 2018-08-24 503 typeof(a2) __a2 = a2; \
f2d3b2e8759a58 Marc Zyngier 2018-02-06 504 struct arm_smccc_res *___res = res; \
0794a974d74dc7 Andrew Scull 2020-09-15 505 register unsigned long arg0 asm("r0") = (u32)a0; \
0794a974d74dc7 Andrew Scull 2020-09-15 506 register typeof(a1) arg1 asm("r1") = __a1; \
0794a974d74dc7 Andrew Scull 2020-09-15 507 register typeof(a2) arg2 asm("r2") = __a2
f2d3b2e8759a58 Marc Zyngier 2018-02-06 508
90e3e18548e6a8 Andy Shevchenko 2023-07-19 509 #define __declare_arg_5(a0, a1, a2, a3, res) \
755a8bf5579d22 Marc Zyngier 2018-08-24 @510 typeof(a1) __a1 = a1; \
755a8bf5579d22 Marc Zyngier 2018-08-24 @511 typeof(a2) __a2 = a2; \
755a8bf5579d22 Marc Zyngier 2018-08-24 @512 typeof(a3) __a3 = a3; \
f2d3b2e8759a58 Marc Zyngier 2018-02-06 513 struct arm_smccc_res *___res = res; \
0794a974d74dc7 Andrew Scull 2020-09-15 514 register unsigned long arg0 asm("r0") = (u32)a0; \
0794a974d74dc7 Andrew Scull 2020-09-15 515 register typeof(a1) arg1 asm("r1") = __a1; \
0794a974d74dc7 Andrew Scull 2020-09-15 516 register typeof(a2) arg2 asm("r2") = __a2; \
0794a974d74dc7 Andrew Scull 2020-09-15 517 register typeof(a3) arg3 asm("r3") = __a3
f2d3b2e8759a58 Marc Zyngier 2018-02-06 518
90e3e18548e6a8 Andy Shevchenko 2023-07-19 519 #define __declare_arg_6(a0, a1, a2, a3, a4, res) \
755a8bf5579d22 Marc Zyngier 2018-08-24 @520 typeof(a4) __a4 = a4; \
90e3e18548e6a8 Andy Shevchenko 2023-07-19 521 __declare_arg_5(a0, a1, a2, a3, res); \
0794a974d74dc7 Andrew Scull 2020-09-15 522 register typeof(a4) arg4 asm("r4") = __a4
f2d3b2e8759a58 Marc Zyngier 2018-02-06 523
90e3e18548e6a8 Andy Shevchenko 2023-07-19 524 #define __declare_arg_7(a0, a1, a2, a3, a4, a5, res) \
755a8bf5579d22 Marc Zyngier 2018-08-24 525 typeof(a5) __a5 = a5; \
90e3e18548e6a8 Andy Shevchenko 2023-07-19 526 __declare_arg_6(a0, a1, a2, a3, a4, res); \
0794a974d74dc7 Andrew Scull 2020-09-15 527 register typeof(a5) arg5 asm("r5") = __a5
f2d3b2e8759a58 Marc Zyngier 2018-02-06 528
90e3e18548e6a8 Andy Shevchenko 2023-07-19 529 #define __declare_arg_8(a0, a1, a2, a3, a4, a5, a6, res) \
755a8bf5579d22 Marc Zyngier 2018-08-24 530 typeof(a6) __a6 = a6; \
90e3e18548e6a8 Andy Shevchenko 2023-07-19 531 __declare_arg_7(a0, a1, a2, a3, a4, a5, res); \
0794a974d74dc7 Andrew Scull 2020-09-15 532 register typeof(a6) arg6 asm("r6") = __a6
f2d3b2e8759a58 Marc Zyngier 2018-02-06 533
90e3e18548e6a8 Andy Shevchenko 2023-07-19 534 #define __declare_arg_9(a0, a1, a2, a3, a4, a5, a6, a7, res) \
755a8bf5579d22 Marc Zyngier 2018-08-24 535 typeof(a7) __a7 = a7; \
90e3e18548e6a8 Andy Shevchenko 2023-07-19 536 __declare_arg_8(a0, a1, a2, a3, a4, a5, a6, res); \
0794a974d74dc7 Andrew Scull 2020-09-15 537 register typeof(a7) arg7 asm("r7") = __a7
f2d3b2e8759a58 Marc Zyngier 2018-02-06 538
f2d3b2e8759a58 Marc Zyngier 2018-02-06 539 /*
f2d3b2e8759a58 Marc Zyngier 2018-02-06 540 * We have an output list that is not necessarily used, and GCC feels
f2d3b2e8759a58 Marc Zyngier 2018-02-06 541 * entitled to optimise the whole sequence away. "volatile" is what
f2d3b2e8759a58 Marc Zyngier 2018-02-06 542 * makes it stick.
f2d3b2e8759a58 Marc Zyngier 2018-02-06 543 */
f2d3b2e8759a58 Marc Zyngier 2018-02-06 544 #define __arm_smccc_1_1(inst, ...) \
f2d3b2e8759a58 Marc Zyngier 2018-02-06 545 do { \
0794a974d74dc7 Andrew Scull 2020-09-15 546 register unsigned long r0 asm("r0"); \
0794a974d74dc7 Andrew Scull 2020-09-15 547 register unsigned long r1 asm("r1"); \
0794a974d74dc7 Andrew Scull 2020-09-15 548 register unsigned long r2 asm("r2"); \
0794a974d74dc7 Andrew Scull 2020-09-15 549 register unsigned long r3 asm("r3"); \
90e3e18548e6a8 Andy Shevchenko 2023-07-19 550 CONCATENATE(__declare_arg_, \
90e3e18548e6a8 Andy Shevchenko 2023-07-19 551 COUNT_ARGS(__VA_ARGS__))(__VA_ARGS__); \
8c462d56487e3a Mark Rutland 2024-11-06 552 asm volatile(inst "\n" : \
0794a974d74dc7 Andrew Scull 2020-09-15 553 "=r" (r0), "=r" (r1), "=r" (r2), "=r" (r3) \
90e3e18548e6a8 Andy Shevchenko 2023-07-19 554 : CONCATENATE(__constraint_read_, \
90e3e18548e6a8 Andy Shevchenko 2023-07-19 555 COUNT_ARGS(__VA_ARGS__)) \
8c462d56487e3a Mark Rutland 2024-11-06 556 : "memory"); \
f2d3b2e8759a58 Marc Zyngier 2018-02-06 557 if (___res) \
f2d3b2e8759a58 Marc Zyngier 2018-02-06 558 *___res = (typeof(*___res)){r0, r1, r2, r3}; \
f2d3b2e8759a58 Marc Zyngier 2018-02-06 559 } while (0)
f2d3b2e8759a58 Marc Zyngier 2018-02-06 560
f2d3b2e8759a58 Marc Zyngier 2018-02-06 561 /*
f2d3b2e8759a58 Marc Zyngier 2018-02-06 562 * arm_smccc_1_1_smc() - make an SMCCC v1.1 compliant SMC call
f2d3b2e8759a58 Marc Zyngier 2018-02-06 563 *
f2d3b2e8759a58 Marc Zyngier 2018-02-06 564 * This is a variadic macro taking one to eight source arguments, and
f2d3b2e8759a58 Marc Zyngier 2018-02-06 565 * an optional return structure.
f2d3b2e8759a58 Marc Zyngier 2018-02-06 566 *
f2d3b2e8759a58 Marc Zyngier 2018-02-06 567 * @a0-a7: arguments passed in registers 0 to 7
f2d3b2e8759a58 Marc Zyngier 2018-02-06 568 * @res: result values from registers 0 to 3
f2d3b2e8759a58 Marc Zyngier 2018-02-06 569 *
f2d3b2e8759a58 Marc Zyngier 2018-02-06 570 * This macro is used to make SMC calls following SMC Calling Convention v1.1.
f2d3b2e8759a58 Marc Zyngier 2018-02-06 571 * The content of the supplied param are copied to registers 0 to 7 prior
f2d3b2e8759a58 Marc Zyngier 2018-02-06 572 * to the SMC instruction. The return values are updated with the content
f2d3b2e8759a58 Marc Zyngier 2018-02-06 573 * from register 0 to 3 on return from the SMC instruction if not NULL.
f2d3b2e8759a58 Marc Zyngier 2018-02-06 574 */
f2d3b2e8759a58 Marc Zyngier 2018-02-06 575 #define arm_smccc_1_1_smc(...) __arm_smccc_1_1(SMCCC_SMC_INST, __VA_ARGS__)
f2d3b2e8759a58 Marc Zyngier 2018-02-06 576
f2d3b2e8759a58 Marc Zyngier 2018-02-06 577 /*
f2d3b2e8759a58 Marc Zyngier 2018-02-06 578 * arm_smccc_1_1_hvc() - make an SMCCC v1.1 compliant HVC call
f2d3b2e8759a58 Marc Zyngier 2018-02-06 579 *
f2d3b2e8759a58 Marc Zyngier 2018-02-06 580 * This is a variadic macro taking one to eight source arguments, and
f2d3b2e8759a58 Marc Zyngier 2018-02-06 581 * an optional return structure.
f2d3b2e8759a58 Marc Zyngier 2018-02-06 582 *
f2d3b2e8759a58 Marc Zyngier 2018-02-06 583 * @a0-a7: arguments passed in registers 0 to 7
f2d3b2e8759a58 Marc Zyngier 2018-02-06 584 * @res: result values from registers 0 to 3
f2d3b2e8759a58 Marc Zyngier 2018-02-06 585 *
f2d3b2e8759a58 Marc Zyngier 2018-02-06 586 * This macro is used to make HVC calls following SMC Calling Convention v1.1.
f2d3b2e8759a58 Marc Zyngier 2018-02-06 587 * The content of the supplied param are copied to registers 0 to 7 prior
f2d3b2e8759a58 Marc Zyngier 2018-02-06 588 * to the HVC instruction. The return values are updated with the content
f2d3b2e8759a58 Marc Zyngier 2018-02-06 589 * from register 0 to 3 on return from the HVC instruction if not NULL.
f2d3b2e8759a58 Marc Zyngier 2018-02-06 590 */
f2d3b2e8759a58 Marc Zyngier 2018-02-06 @591 #define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
f2d3b2e8759a58 Marc Zyngier 2018-02-06 592

:::::: The code at line 512 was first introduced by commit
:::::: 755a8bf5579d22eb5636685c516d8dede799e27b arm/arm64: smccc-1.1: Handle function result as parameters

:::::: TO: Marc Zyngier <marc.zyngier@xxxxxxx>
:::::: CC: Will Deacon <will.deacon@xxxxxxx>

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