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arm/armv7-a/r: unified syscall registers dump

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Signed-off-by: chao.an <anchao@xiaomi.com>
This commit is contained in:
chao.an 2022-03-14 22:45:53 +08:00 committed by Petro Karashchenko
parent 22e71e2d71
commit d398ffb930
2 changed files with 56 additions and 44 deletions
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52
arch/arm/src/armv7-a/arm_syscall.c
View File

@ -44,6 +44,32 @@
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: dump_syscall
*
* Description:
* Dump the syscall registers
*
****************************************************************************/
static void dump_syscall(const char *tag, uint32_t cmd, const uint32_t *regs)
{
/* The SVCall software interrupt is called with R0 = system call command
* and R1..R7 = variable number of arguments depending on the system call.
*/
svcinfo("SYSCALL %s: regs: %p cmd: %" PRId32 "\n", tag, regs, cmd);
svcinfo(" R0: %08" PRIx32 " %08" PRIx32 " %08" PRIx32 " %08" PRIx32
" %08" PRIx32 " %08" PRIx32 " %08" PRIx32 " %08" PRIx32 "\n",
regs[REG_R0], regs[REG_R1], regs[REG_R2], regs[REG_R3],
regs[REG_R4], regs[REG_R5], regs[REG_R6], regs[REG_R7]);
svcinfo(" R8: %08" PRIx32 " %08" PRIx32 " %08" PRIx32 " %08" PRIx32
" %08" PRIx32 " %08" PRIx32 " %08" PRIx32 " %08" PRIx32 "\n",
regs[REG_R8], regs[REG_R9], regs[REG_R10], regs[REG_R11],
regs[REG_R12], regs[REG_R13], regs[REG_R14], regs[REG_R15]);
svcinfo("CPSR: %08" PRIx32 "\n", regs[REG_CPSR]);
}
/****************************************************************************
* Name: dispatch_syscall
*
@ -103,10 +129,6 @@ static void dispatch_syscall(void)
}
#endif
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
@ -142,16 +164,7 @@ uint32_t *arm_syscall(uint32_t *regs)
* and R1..R7 = variable number of arguments depending on the system call.
*/
svcinfo("SYSCALL Entry: regs: %p cmd: %" PRId32 "\n", regs, cmd);
svcinfo(" R0: %08" PRIx32 " %08" PRIx32 " %08" PRIx32 " %08" PRIx32
" %08" PRIx32 " %08" PRIx32 " %08" PRIx32 " %08" PRIx32 "\n",
regs[REG_R0], regs[REG_R1], regs[REG_R2], regs[REG_R3],
regs[REG_R4], regs[REG_R5], regs[REG_R6], regs[REG_R7]);
svcinfo(" R8: %08" PRIx32 " %08" PRIx32 " %08" PRIx32 " %08" PRIx32
" %08" PRIx32 " %08" PRIx32 " %08" PRIx32 " %08" PRIx32 "\n",
regs[REG_R8], regs[REG_R9], regs[REG_R10], regs[REG_R11],
regs[REG_R12], regs[REG_R13], regs[REG_R14], regs[REG_R15]);
svcinfo("CPSR: %08" PRIx32 "\n", regs[REG_CPSR]);
dump_syscall("Entry", cmd, regs);
/* Handle the SVCall according to the command in R0 */
@ -512,16 +525,7 @@ uint32_t *arm_syscall(uint32_t *regs)
/* Report what happened */
svcinfo("SYSCALL Exit: regs: %p\n", regs);
svcinfo(" R0: %" PRIx32 " %" PRIx32 " %" PRIx32 " %" PRIx32
" %" PRIx32 " %" PRIx32 " %" PRIx32 " %" PRIx32 "\n",
regs[REG_R0], regs[REG_R1], regs[REG_R2], regs[REG_R3],
regs[REG_R4], regs[REG_R5], regs[REG_R6], regs[REG_R7]);
svcinfo(" R8: %" PRIx32 " %" PRIx32 " %" PRIx32 " %" PRIx32
" %" PRIx32 " %" PRIx32 " %" PRIx32 " %" PRIx32 "\n",
regs[REG_R8], regs[REG_R9], regs[REG_R10], regs[REG_R11],
regs[REG_R12], regs[REG_R13], regs[REG_R14], regs[REG_R15]);
svcinfo("CPSR: %08" PRIx32 "\n", regs[REG_CPSR]);
dump_syscall("Exit", cmd, regs);
/* Return the last value of curent_regs. This supports context switches
* on return from the exception. That capability is only used with the

48
arch/arm/src/armv7-r/arm_syscall.c
View File

@ -41,6 +41,32 @@
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: dump_syscall
*
* Description:
* Dump the syscall registers
*
****************************************************************************/
static void dump_syscall(const char *tag, uint32_t cmd, const uint32_t *regs)
{
/* The SVCall software interrupt is called with R0 = system call command
* and R1..R7 = variable number of arguments depending on the system call.
*/
svcinfo("SYSCALL %s: regs: %p cmd: %" PRId32 "\n", tag, regs, cmd);
svcinfo(" R0: %08" PRIx32 " %08" PRIx32 " %08" PRIx32 " %08" PRIx32
" %08" PRIx32 " %08" PRIx32 " %08" PRIx32 " %08" PRIx32 "\n",
regs[REG_R0], regs[REG_R1], regs[REG_R2], regs[REG_R3],
regs[REG_R4], regs[REG_R5], regs[REG_R6], regs[REG_R7]);
svcinfo(" R8: %08" PRIx32 " %08" PRIx32 " %08" PRIx32 " %08" PRIx32
" %08" PRIx32 " %08" PRIx32 " %08" PRIx32 " %08" PRIx32 "\n",
regs[REG_R8], regs[REG_R9], regs[REG_R10], regs[REG_R11],
regs[REG_R12], regs[REG_R13], regs[REG_R14], regs[REG_R15]);
svcinfo("CPSR: %08" PRIx32 "\n", regs[REG_CPSR]);
}
/****************************************************************************
* Name: dispatch_syscall
*
@ -100,10 +126,6 @@ static void dispatch_syscall(void)
}
#endif
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
@ -139,14 +161,7 @@ uint32_t *arm_syscall(uint32_t *regs)
* and R1..R7 = variable number of arguments depending on the system call.
*/
svcinfo("SYSCALL Entry: regs: %p cmd: %d\n", regs, cmd);
svcinfo(" R0: %08x %08x %08x %08x %08x %08x %08x %08x\n",
regs[REG_R0], regs[REG_R1], regs[REG_R2], regs[REG_R3],
regs[REG_R4], regs[REG_R5], regs[REG_R6], regs[REG_R7]);
svcinfo(" R8: %08x %08x %08x %08x %08x %08x %08x %08x\n",
regs[REG_R8], regs[REG_R9], regs[REG_R10], regs[REG_R11],
regs[REG_R12], regs[REG_R13], regs[REG_R14], regs[REG_R15]);
svcinfo("CPSR: %08x\n", regs[REG_CPSR]);
dump_syscall("Entry", cmd, regs);
/* Handle the SVCall according to the command in R0 */
@ -507,14 +522,7 @@ uint32_t *arm_syscall(uint32_t *regs)
/* Report what happened */
svcinfo("SYSCALL Exit: regs: %p\n", regs);
svcinfo(" R0: %08x %08x %08x %08x %08x %08x %08x %08x\n",
regs[REG_R0], regs[REG_R1], regs[REG_R2], regs[REG_R3],
regs[REG_R4], regs[REG_R5], regs[REG_R6], regs[REG_R7]);
svcinfo(" R8: %08x %08x %08x %08x %08x %08x %08x %08x\n",
regs[REG_R8], regs[REG_R9], regs[REG_R10], regs[REG_R11],
regs[REG_R12], regs[REG_R13], regs[REG_R14], regs[REG_R15]);
svcinfo("CPSR: %08x\n", regs[REG_CPSR]);
dump_syscall("Exit", cmd, regs);
/* Return the last value of curent_regs. This supports context switches
* on return from the exception. That capability is only used with the