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arch/arm/src/include/xxx/syscall.h: Align semi-hosting call style with other syscalls

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This commit is contained in:
Xiang Xiao
2019-01-26 07:40:47 -06:00
committed by Gregory Nutt
parent 5a6108c172
commit 9f408e9937
5 changed files with 35 additions and 27 deletions
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20
arch/arm/include/arm/syscall.h
View File

@@ -56,6 +56,12 @@
#define SYS_syscall 0x900001 #define SYS_syscall 0x900001
#if defined(__thumb__) || defined(__thumb2__)
# define SYS_smhcall 0xab
#else
# define SYS_smhcall 0x123456
#endif
/**************************************************************************** /****************************************************************************
* Public Types * Public Types
****************************************************************************/ ****************************************************************************/
@@ -226,16 +232,12 @@ static inline long smh_call(unsigned int nbr, void *parm)
register long reg1 __asm__("r1") = (long)(parm); register long reg1 __asm__("r1") = (long)(parm);
__asm__ __volatile__ __asm__ __volatile__
( (
#if defined(__thumb__) || defined(__thumb2__) "svc %1"
"svc #0xab"
#else
"svc #0x123456"
#endif
: "=r"(reg0) : "=r"(reg0)
: "r"(reg0), "r"(reg1) : "i"(SYS_smhcall), "r"(reg0), "r"(reg1)
: "memory" : "memory", "r14"
); );
return reg0; return reg0;
} }

5
arch/arm/include/armv6-m/syscall.h
View File

@@ -59,6 +59,7 @@
*/ */
#define SYS_syscall 0x00 #define SYS_syscall 0x00
#define SYS_smhcall 0xab
/* The SYS_signal_handler_return is executed here... its value is not always /* The SYS_signal_handler_return is executed here... its value is not always
* available in this context and so is assumed to be 7. * available in this context and so is assumed to be 7.
@@ -250,9 +251,9 @@ static inline long smh_call(unsigned int nbr, void *parm)
__asm__ __volatile__ __asm__ __volatile__
( (
"bkpt #0xab" "bkpt %1"
: "=r"(reg0) : "=r"(reg0)
: "r"(reg0), "r"(reg1) : "i"(SYS_smhcall), "r"(reg0), "r"(reg1)
: "memory" : "memory"
); );

16
arch/arm/include/armv7-a/syscall.h
View File

@@ -56,6 +56,12 @@
#define SYS_syscall 0x900001 #define SYS_syscall 0x900001
#if defined(__thumb__) || defined(__thumb2__)
# define SYS_smhcall 0xab
#else
# define SYS_smhcall 0x123456
#endif
/**************************************************************************** /****************************************************************************
* Public Types * Public Types
****************************************************************************/ ****************************************************************************/
@@ -227,14 +233,10 @@ static inline long smh_call(unsigned int nbr, void *parm)
__asm__ __volatile__ __asm__ __volatile__
( (
#if defined(__thumb__) || defined(__thumb2__) "svc %1"
"svc #0xab"
#else
"svc #0x123456"
#endif
: "=r"(reg0) : "=r"(reg0)
: "r"(reg0), "r"(reg1) : "i"(SYS_smhcall), "r"(reg0), "r"(reg1)
: "memory" : "memory", "r14"
); );
return reg0; return reg0;

5
arch/arm/include/armv7-m/syscall.h
View File

@@ -59,6 +59,7 @@
*/ */
#define SYS_syscall 0x00 #define SYS_syscall 0x00
#define SYS_smhcall 0xab
/* The SYS_signal_handler_return is executed here... its value is not always /* The SYS_signal_handler_return is executed here... its value is not always
* available in this context and so is assumed to be 7. * available in this context and so is assumed to be 7.
@@ -250,9 +251,9 @@ static inline long smh_call(unsigned int nbr, void *parm)
__asm__ __volatile__ __asm__ __volatile__
( (
"bkpt #0xab" "bkpt %1"
: "=r"(reg0) : "=r"(reg0)
: "r"(reg0), "r"(reg1) : "i"(SYS_smhcall), "r"(reg0), "r"(reg1)
: "memory" : "memory"
); );

16
arch/arm/include/armv7-r/syscall.h
View File

@@ -56,6 +56,12 @@
#define SYS_syscall 0x900001 #define SYS_syscall 0x900001
#if defined(__thumb__) || defined(__thumb2__)
# define SYS_smhcall 0xab
#else
# define SYS_smhcall 0x123456
#endif
/**************************************************************************** /****************************************************************************
* Public Types * Public Types
****************************************************************************/ ****************************************************************************/
@@ -227,14 +233,10 @@ static inline long smh_call(unsigned int nbr, void *parm)
__asm__ __volatile__ __asm__ __volatile__
( (
#if defined(__thumb__) || defined(__thumb2__) "svc %1"
"svc #0xab"
#else
"svc #0x123456"
#endif
: "=r"(reg0) : "=r"(reg0)
: "r"(reg0), "r"(reg1) : "i"(SYS_smhcall), "r"(reg0), "r"(reg1)
: "memory" : "memory", "r14"
); );
return reg0; return reg0;