arch/arm: export arm_saveusercontext()

rename arm_saveusercontext() -> up_arm_saveusercontext()

Signed-off-by: chao.an <anchao@xiaomi.com>

arch/arm/include/syscall.h

@@ -66,7 +66,7 @@
 
 /* SYS call 0:
  *
- * int arm_saveusercontext(uint32_t *saveregs);
+ * int up_saveusercontext(void *saveregs);
  */
 
 #define SYS_save_context          (0)

arch/arm/src/arm/arm_saveusercontext.S

@@ -44,12 +44,12 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Name: arm_saveusercontext
+ * Name: up_saveusercontext
  *
  * Description:
  *   Save the current thread context.  Full prototype is:
  *
- *   int  arm_saveusercontext(uint32_t *saveregs);
+ *   int  up_saveusercontext(void *saveregs);
  *
  * Returned Value:
  *   0: Normal return
@@ -57,9 +57,9 @@
  *
  ****************************************************************************/
 
-	.globl	arm_saveusercontext
-	.type	arm_saveusercontext, function
-arm_saveusercontext:
+	.globl	up_saveusercontext
+	.type	up_saveusercontext, function
+up_saveusercontext:
 
 	/* On entry, a1 (r0) holds address of struct xcptcontext */
 
@@ -96,5 +96,5 @@ arm_saveusercontext:
 
 	mov	r0, #0		/* Return value == 0 */
 	bx	lr		/* Return */
-	.size	arm_saveusercontext, .-arm_saveusercontext
+	.size	up_saveusercontext, .-up_saveusercontext
 	.end

arch/arm/src/armv6-m/arm_saveusercontext.S

@@ -47,12 +47,12 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Name: arm_saveusercontext
+ * Name: up_saveusercontext
  *
  * Description:
  *   Save the current thread context.  Full prototype is:
  *
- *   int  arm_saveusercontext(uint32_t *saveregs);
+ *   int  up_saveusercontext(void *saveregs);
  *
  * Returned Value:
  *   0: Normal return
@@ -64,9 +64,9 @@
 	.align	2
 	.code	16
 	.thumb_func
-	.globl	arm_saveusercontext
-	.type	arm_saveusercontext, function
-arm_saveusercontext:
+	.globl	up_saveusercontext
+	.type	up_saveusercontext, function
+up_saveusercontext:
 
 	/* Perform the System call with R0=0 and R1=regs */
 
@@ -85,5 +85,5 @@ arm_saveusercontext:
 	str		r3, [r2, #0]		/* Save return value */
 	bx		lr			/* "normal" return with r0=0 or
 						 * context switch with r0=1 */
-	.size	arm_saveusercontext, .-arm_saveusercontext
+	.size	up_saveusercontext, .-up_saveusercontext
 	.end

arch/arm/src/armv6-m/arm_svcall.c

@@ -154,7 +154,7 @@ int arm_svcall(int irq, FAR void *context, FAR void *arg)
     {
       /* R0=SYS_save_context:  This is a save context command:
        *
-       *   int arm_saveusercontext(uint32_t *saveregs);
+       *   int up_saveusercontext(void *saveregs);
        *
        * At this point, the following values are saved in context:
        *

arch/arm/src/armv7-a/arm_saveusercontext.S

@@ -44,12 +44,12 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Name: arm_saveusercontext
+ * Name: up_saveusercontext
  *
  * Description:
  *   Save the current thread context.  Full prototype is:
  *
- *   int  arm_saveusercontext(uint32_t *saveregs);
+ *   int  up_saveusercontext(void *saveregs);
  *
  * Returned Value:
  *   0: Normal return
@@ -57,9 +57,9 @@
  *
  ****************************************************************************/
 
-	.globl	arm_saveusercontext
-	.type	arm_saveusercontext, function
-arm_saveusercontext:
+	.globl	up_saveusercontext
+	.type	up_saveusercontext, function
+up_saveusercontext:
 
 	/* On entry, a1 (r0) holds address of struct xcptcontext */
 
@@ -134,5 +134,5 @@ arm_saveusercontext:
 	mov		r0, #1			/* Return value == 1 */
 	bx		lr			/* Return */
 
-	.size	arm_saveusercontext, .-arm_saveusercontext
+	.size	up_saveusercontext, .-up_saveusercontext
 	.end

arch/arm/src/armv7-m/arm_svcall.c

@@ -161,7 +161,7 @@ int arm_svcall(int irq, FAR void *context, FAR void *arg)
     {
       /* R0=SYS_save_context:  This is a save context command:
        *
-       *   int arm_saveusercontext(uint32_t *saveregs);
+       *   int up_saveusercontext(void *saveregs);
        *
        * At this point, the following values are saved in context:
        *

arch/arm/src/armv7-m/gnu/arm_saveusercontext.S

@@ -49,12 +49,12 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Name: arm_saveusercontext
+ * Name: up_saveusercontext
  *
  * Description:
  *   Save the current thread context.  Full prototype is:
  *
- *   int  arm_saveusercontext(uint32_t *saveregs);
+ *   int  up_saveusercontext(void *saveregs);
  *
  * Returned Value:
  *   0: Normal return
@@ -64,9 +64,9 @@
 
 	.text
 	.thumb_func
-	.globl	arm_saveusercontext
-	.type	arm_saveusercontext, function
-arm_saveusercontext:
+	.globl	up_saveusercontext
+	.type	up_saveusercontext, function
+up_saveusercontext:
 
 	/* Perform the System call with R0=0 and R1=regs */
 
@@ -84,5 +84,5 @@ arm_saveusercontext:
 	str		r3, [r2, #0]
 	bx		lr			/* "normal" return with r0=0 or
 						 * context switch with r0=1 */
-	.size	arm_saveusercontext, .-arm_saveusercontext
+	.size	up_saveusercontext, .-up_saveusercontext
 	.end

arch/arm/src/armv7-m/iar/arm_saveusercontext.S

@@ -28,7 +28,7 @@
 
 #include "nvic.h"
 
-	MODULE arm_saveusercontext
+	MODULE up_saveusercontext
 	SECTION .text:CODE:NOROOT(2)
 
 /****************************************************************************
@@ -39,7 +39,7 @@
  * Public Symbols
  ****************************************************************************/
 
-	PUBLIC arm_saveusercontext
+	PUBLIC up_saveusercontext
 
 /****************************************************************************
  * Macros
@@ -50,12 +50,12 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Name: arm_saveusercontext
+ * Name: up_saveusercontext
  *
  * Description:
  *   Save the current thread context.  Full prototype is:
  *
- *   int  arm_saveusercontext(uint32_t *saveregs);
+ *   int  up_saveusercontext(void *saveregs);
  *
  * Returned Value:
  *   0: Normal return
@@ -65,7 +65,7 @@
 
 	THUMB
 
-arm_saveusercontext:
+up_saveusercontext:
 
 	/* Perform the System call with R0=0 and R1=regs */
 

arch/arm/src/armv7-r/arm_saveusercontext.S

@@ -44,12 +44,12 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Name: arm_saveusercontext
+ * Name: up_saveusercontext
  *
  * Description:
  *   Save the current thread context.  Full prototype is:
  *
- *   int  arm_saveusercontext(uint32_t *saveregs);
+ *   int  up_saveusercontext(void *saveregs);
  *
  * Returned Value:
  *   0: Normal return
@@ -57,9 +57,9 @@
  *
  ****************************************************************************/
 
-	.globl	arm_saveusercontext
-	.type	arm_saveusercontext, function
-arm_saveusercontext:
+	.globl	up_saveusercontext
+	.type	up_saveusercontext, function
+up_saveusercontext:
 
 	/* On entry, a1 (r0) holds address of struct xcptcontext */
 
@@ -125,5 +125,5 @@ arm_saveusercontext:
 
 	mov		r0, #0			/* Return value == 0 */
 	bx		lr			/* Return */
-	.size	arm_saveusercontext, .-arm_saveusercontext
+	.size	up_saveusercontext, .-up_saveusercontext
 	.end

arch/arm/src/armv8-m/arm_saveusercontext.S

@@ -49,12 +49,12 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Name: arm_saveusercontext
+ * Name: up_saveusercontext
  *
  * Description:
  *   Save the current thread context.  Full prototype is:
  *
- *   int  arm_saveusercontext(uint32_t *saveregs);
+ *   int  up_saveusercontext(void *saveregs);
  *
  * Returned Value:
  *   0: Normal return
@@ -64,9 +64,9 @@
 
 	.text
 	.thumb_func
-	.globl	arm_saveusercontext
-	.type	arm_saveusercontext, function
-arm_saveusercontext:
+	.globl	up_saveusercontext
+	.type	up_saveusercontext, function
+up_saveusercontext:
 
 	/* Perform the System call with R0=0 and R1=regs */
 
@@ -84,5 +84,5 @@ arm_saveusercontext:
 	str		r3, [r2, #0]
 	bx		lr			/* "normal" return with r0=0 or
 						 * context switch with r0=1 */
-	.size	arm_saveusercontext, .-arm_saveusercontext
+	.size	up_saveusercontext, .-up_saveusercontext
 	.end

arch/arm/src/armv8-m/arm_svcall.c

@@ -160,7 +160,7 @@ int arm_svcall(int irq, FAR void *context, FAR void *arg)
     {
       /* R0=SYS_save_context:  This is a save context command:
        *
-       *   int arm_saveusercontext(uint32_t *saveregs);
+       *   int up_saveusercontext(void *saveregs);
        *
        * At this point, the following values are saved in context:
        *

arch/arm/src/common/arm_assert.c

@@ -371,7 +371,7 @@ static void arm_dumpstate(void)
     }
   else
     {
-      arm_saveusercontext(rtcb->xcp.regs);
+      up_saveusercontext(rtcb->xcp.regs);
     }
 
   /* Dump the registers */

arch/arm/src/common/arm_internal.h

@@ -328,7 +328,6 @@ void arm_boot(void);
 /* Context switching */
 
 uint32_t *arm_decodeirq(uint32_t *regs);
-int  arm_saveusercontext(uint32_t *saveregs);
 void arm_fullcontextrestore(uint32_t *restoreregs) noreturn_function;
 void arm_switchcontext(uint32_t **saveregs, uint32_t *restoreregs);
 

arch/ceva/include/syscall.h

@@ -58,7 +58,7 @@
 
 /* SYS call 0:
  *
- * int up_saveusercontext(uint32_t *saveregs);
+ * int up_saveusercontext(void *saveregs);
  */
 
 #define SYS_save_context          0x00

arch/ceva/src/common/up_internal.h

@@ -228,7 +228,6 @@ void modifyreg32(unsigned int addr, uint32_t clearbits, uint32_t setbits);
 
 /* Context switching */
 
-int  up_saveusercontext(uint32_t *saveregs);
 void up_fullcontextrestore(uint32_t *restoreregs) noreturn_function;
 void up_switchcontext(uint32_t **saveregs, uint32_t *restoreregs);
 

arch/ceva/src/common/up_saveusercontext.c

@@ -39,7 +39,7 @@
  * Description:
  *   Save the current thread context.  Full prototype is:
  *
- *   int  up_saveusercontext(uint32_t *saveregs);
+ *   int  up_saveusercontext(void *saveregs);
  *
  * Return:
  *   0: Normal return
@@ -47,7 +47,7 @@
  *
  ****************************************************************************/
 
-int up_saveusercontext(uint32_t *saveregs)
+int up_saveusercontext(void *saveregs)
 {
   int ret;
 

arch/ceva/src/common/up_svcall.c

@@ -85,7 +85,7 @@ int up_svcall(int irq, void *context, void *arg)
     {
       /* A0=SYS_save_context:  This is a save context command:
        *
-       *   int up_saveusercontext(uint32_t *saveregs);
+       *   int up_saveusercontext(void *saveregs);
        *
        * At this point, the following values are saved in context:
        *

arch/hc/src/common/up_internal.h

@@ -148,7 +148,6 @@ void modifyreg32(unsigned int addr, uint32_t clearbits, uint32_t setbits);
 
 void up_copystate(uint8_t *dest, uint8_t *src);
 void up_decodeirq(uint8_t *regs);
-int  up_saveusercontext(uint8_t *saveregs);
 void up_fullcontextrestore(uint8_t *restoreregs) noreturn_function;
 void up_switchcontext(uint8_t *saveregs, uint8_t *restoreregs);
 

arch/or1k/src/common/up_internal.h

@@ -240,7 +240,6 @@ int  or1k_print_cpuinfo(void);
 
 void up_copyfullstate(uint32_t *dest, uint32_t *src);
 void up_decodeirq(uint32_t *regs);
-int  up_saveusercontext(uint32_t *saveregs);
 void up_fullcontextrestore(uint32_t *restoreregs) noreturn_function;
 void up_switchcontext(uint32_t *saveregs, uint32_t *restoreregs);
 

arch/renesas/src/common/up_internal.h

@@ -143,7 +143,6 @@ void up_decodeirq(uint32_t *regs);
 uint32_t *up_doirq(int irq, uint32_t *regs);
 void up_fullcontextrestore(uint32_t *regs) noreturn_function;
 void up_prefetchabort(uint32_t *regs);
-int  up_saveusercontext(uint32_t *regs);
 void up_sigdeliver(void);
 void up_syscall(uint32_t *regs);
 void up_undefinedinsn(uint32_t *regs);

arch/renesas/src/m16c/m16c_vectors.S

@@ -374,7 +374,7 @@ _m16c_commonvector:
 	reit					/* Return from interrupt */
 
 /************************************************************************************
- * Name: int up_saveusercontext(uint32_t *regs)
+ * Name: int up_saveusercontext(void *regs)
  *
  * Description:
  *   Save the context of the calling function at the point of the return from the

arch/renesas/src/rx65n/rx65n_vector.S

@@ -218,7 +218,7 @@ _up_vector:
   .size   _up_vector, . - _up_vector
 
 /****************************************************************************
- * Name: int up_saveusercontext(uint32_t *regs)
+ * Name: int up_saveusercontext(void *regs)
  *
  * Description:
  *   Save the context of the calling function at the point of the return from

arch/risc-v/src/bl602/Make.defs

@@ -35,6 +35,7 @@ CMN_CSRCS += riscv_releasestack.c riscv_stackframe.c riscv_schedulesigaction.c
 CMN_CSRCS += riscv_sigdeliver.c riscv_udelay.c riscv_unblocktask.c riscv_usestack.c
 CMN_CSRCS += riscv_idle.c riscv_tcbinfo.c riscv_getnewintctx.c riscv_doirq.c
 CMN_CSRCS += riscv_exception.c riscv_mtimer.c riscv_misaligned.c
+CMN_CSRCS += riscv_saveusercontext.c
 
 ifeq ($(CONFIG_SCHED_BACKTRACE),y)
 CMN_CSRCS += riscv_backtrace.c

arch/risc-v/src/c906/Make.defs

@@ -35,6 +35,7 @@ CMN_CSRCS += riscv_releasestack.c riscv_stackframe.c riscv_schedulesigaction.c
 CMN_CSRCS += riscv_sigdeliver.c riscv_unblocktask.c riscv_usestack.c
 CMN_CSRCS += riscv_mdelay.c riscv_idle.c riscv_doirq.c riscv_mtimer.c
 CMN_CSRCS += riscv_tcbinfo.c riscv_getnewintctx.c
+CMN_CSRCS += riscv_saveusercontext.c
 
 ifeq ($(CONFIG_SCHED_BACKTRACE),y)
 CMN_CSRCS += riscv_backtrace.c

arch/risc-v/src/common/riscv_assert.c

@@ -337,7 +337,7 @@ static void riscv_dumpstate(void)
     }
   else
     {
-      riscv_saveusercontext(rtcb->xcp.regs);
+      up_saveusercontext(rtcb->xcp.regs);
     }
 
   /* Dump the registers (if available) */

arch/risc-v/src/common/riscv_internal.h

@@ -330,18 +330,6 @@ void *riscv_perform_syscall(uintptr_t *regs);
 
 /* Context switching via system calls ***************************************/
 
-/* SYS call 0:
- *
- * int riscv_saveusercontext(uintptr_t *saveregs);
- *
- * Return:
- * 0: Normal Return
- * 1: Context Switch Return
- */
-
-#define riscv_saveusercontext(saveregs) \
-  sys_call1(SYS_save_context, (uintptr_t)saveregs)
-
 /* SYS call 1:
  *
  * void riscv_fullcontextrestore(uintptr_t *restoreregs) noreturn_function;

arch/risc-v/src/common/riscv_saveusercontext.c

@@ -0,0 +1,50 @@
+/****************************************************************************
+ * arch/risc-v/src/common/riscv_saveusercontext.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <arch/syscall.h>
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: up_saveusercontext
+ *
+ * Description:
+ *   Save the current thread context.  Full prototype is:
+ *
+ *   int  up_saveusercontext(void *saveregs);
+ *
+ * Returned Value:
+ *   0: Normal return
+ *   1: Context switch return
+ *
+ ****************************************************************************/
+
+int up_saveusercontext(FAR void *saveregs)
+{
+  return sys_call1(SYS_save_context, (uintptr_t)saveregs);
+}

arch/risc-v/src/common/riscv_swint.c

@@ -172,7 +172,7 @@ int riscv_swint(int irq, void *context, void *arg)
     {
       /* A0=SYS_save_context:  This is a save context command:
        *
-       *   int riscv_saveusercontext(uintptr saveregs);
+       *   int up_saveusercontext(void *saveregs);
        *
        * At this point, the following values are saved in context:
        *

arch/risc-v/src/esp32c3/Make.defs

@@ -41,6 +41,7 @@ CMN_CSRCS += riscv_releasepending.c riscv_reprioritizertr.c
 CMN_CSRCS += riscv_releasestack.c riscv_stackframe.c riscv_schedulesigaction.c
 CMN_CSRCS += riscv_sigdeliver.c riscv_udelay.c riscv_unblocktask.c riscv_usestack.c
 CMN_CSRCS += riscv_tcbinfo.c riscv_getnewintctx.c riscv_doirq.c
+CMN_CSRCS += riscv_saveusercontext.c
 
 ifeq ($(CONFIG_SCHED_BACKTRACE),y)
 CMN_CSRCS += riscv_backtrace.c

arch/risc-v/src/fe310/Make.defs

@@ -34,6 +34,7 @@ CMN_CSRCS += riscv_releasepending.c riscv_reprioritizertr.c
 CMN_CSRCS += riscv_releasestack.c riscv_stackframe.c riscv_schedulesigaction.c
 CMN_CSRCS += riscv_sigdeliver.c riscv_udelay.c riscv_unblocktask.c riscv_usestack.c
 CMN_CSRCS += riscv_idle.c riscv_tcbinfo.c riscv_getnewintctx.c riscv_doirq.c
+CMN_CSRCS += riscv_saveusercontext.c
 
 ifeq ($(CONFIG_SCHED_BACKTRACE),y)
 CMN_CSRCS += riscv_backtrace.c

arch/risc-v/src/k210/Make.defs

@@ -35,7 +35,7 @@ CMN_CSRCS += riscv_releasestack.c riscv_stackframe.c riscv_schedulesigaction.c
 CMN_CSRCS += riscv_sigdeliver.c riscv_unblocktask.c riscv_usestack.c
 CMN_CSRCS += riscv_mdelay.c riscv_idle.c riscv_doirq.c
 CMN_CSRCS += riscv_tcbinfo.c riscv_cpuidlestack.c riscv_getnewintctx.c
-CMN_CSRCS += riscv_misaligned.c
+CMN_CSRCS += riscv_misaligned.c riscv_saveusercontext.c
 
 ifeq ($(CONFIG_SMP), y)
 CMN_CSRCS += riscv_cpuindex.c riscv_cpupause.c riscv_cpustart.c

arch/risc-v/src/litex/Make.defs

@@ -34,6 +34,7 @@ CMN_CSRCS += riscv_releasepending.c riscv_reprioritizertr.c
 CMN_CSRCS += riscv_releasestack.c riscv_stackframe.c riscv_schedulesigaction.c
 CMN_CSRCS += riscv_sigdeliver.c riscv_udelay.c riscv_unblocktask.c riscv_usestack.c
 CMN_CSRCS += riscv_idle.c riscv_tcbinfo.c riscv_getnewintctx.c
+CMN_CSRCS += riscv_saveusercontext.c
 
 ifeq ($(CONFIG_SCHED_BACKTRACE),y)
 CMN_CSRCS += riscv_backtrace.c

arch/risc-v/src/mpfs/Make.defs

@@ -33,6 +33,7 @@ CMN_CSRCS += riscv_sigdeliver.c riscv_unblocktask.c riscv_usestack.c
 CMN_CSRCS += riscv_mdelay.c riscv_udelay.c
 CMN_CSRCS += riscv_idle.c riscv_tcbinfo.c riscv_getnewintctx.c
 CMN_CSRCS += riscv_doirq.c riscv_mtimer.c
+CMN_CSRCS += riscv_saveusercontext.c
 
 # Specify ASM code within the common directory to be included
 CMN_ASRCS += riscv_mhartid.S

arch/risc-v/src/qemu-rv/Make.defs

@@ -35,6 +35,7 @@ CMN_CSRCS += riscv_releasestack.c riscv_stackframe.c riscv_schedulesigaction.c
 CMN_CSRCS += riscv_sigdeliver.c riscv_unblocktask.c riscv_usestack.c
 CMN_CSRCS += riscv_idle.c riscv_tcbinfo.c riscv_cpuidlestack.c
 CMN_CSRCS += riscv_exception.c riscv_getnewintctx.c riscv_doirq.c
+CMN_CSRCS += riscv_saveusercontext.c
 
 ifeq ($(CONFIG_SMP), y)
 CMN_CSRCS += riscv_cpuindex.c riscv_cpupause.c riscv_cpustart.c

arch/risc-v/src/rv32m1/Make.defs

@@ -34,6 +34,7 @@ CMN_CSRCS += riscv_releasepending.c riscv_reprioritizertr.c
 CMN_CSRCS += riscv_releasestack.c riscv_stackframe.c riscv_schedulesigaction.c
 CMN_CSRCS += riscv_sigdeliver.c riscv_unblocktask.c riscv_usestack.c
 CMN_CSRCS += riscv_idle.c riscv_tcbinfo.c riscv_getnewintctx.c
+CMN_CSRCS += riscv_saveusercontext.c
 
 ifeq ($(CONFIG_SCHED_BACKTRACE),y)
 CMN_CSRCS += riscv_backtrace.c

arch/x86/src/common/up_internal.h

@@ -186,7 +186,6 @@ void up_decodeirq(uint32_t *regs);
 #ifdef CONFIG_ARCH_DMA
 void weak_function up_dma_initialize(void);
 #endif
-int  up_saveusercontext(uint32_t *saveregs);
 void up_fullcontextrestore(uint32_t *restoreregs) noreturn_function;
 void up_switchcontext(uint32_t *saveregs, uint32_t *restoreregs);
 void up_sigdeliver(void);

arch/x86/src/qemu/qemu_saveusercontext.S

@@ -66,7 +66,7 @@
  * Name: up_saveusercontext
  *
  * Full C prototype:
- *  int up_saveusercontext(uint32_t *regs);
+ *  int up_saveusercontext(void *regs);
  *
  * Description:
  *  Save the "user" context.  It is not necessary to save all of the

arch/x86_64/src/common/up_internal.h

@@ -205,7 +205,6 @@ void up_decodeirq(uint64_t *regs);
 #ifdef CONFIG_ARCH_DMA
 void weak_function up_dmainitialize(void);
 #endif
-int  up_saveusercontext(uint64_t *saveregs);
 void up_fullcontextrestore(uint64_t *restoreregs) noreturn_function;
 void up_switchcontext(uint64_t *saveregs, uint64_t *restoreregs);
 void up_sigdeliver(void);

arch/x86_64/src/intel64/intel64_saveusercontext.S

@@ -66,7 +66,7 @@
  * Name: up_saveusercontext
  *
  * Full C prototype:
- *  int up_saveusercontext(uint32_t *regs);
+ *  int up_saveusercontext(void *regs);
  *
  * Description:
  *  Save the "user" context.  It is not necessary to save all of the

boards/arm/cxd56xx/spresense/src/cxd56_ostest.c

@@ -77,7 +77,7 @@ void arch_getfpu(FAR uint32_t *fpusave)
   /* Take a snapshot of the thread context right now */
 
   flags = enter_critical_section();
-  arm_saveusercontext(g_saveregs);
+  up_saveusercontext(g_saveregs);
 
   /* Return only the floating register values */
 

boards/arm/lpc43xx/bambino-200e/src/lpc43_ostest.c

@@ -74,7 +74,7 @@ void arch_getfpu(FAR uint32_t *fpusave)
   /* Take a snapshot of the thread context right now */
 
   flags = enter_critical_section();
-  arm_saveusercontext(g_saveregs);
+  up_saveusercontext(g_saveregs);
 
   /* Return only the floating register values */
 

boards/arm/lpc43xx/lpc4330-xplorer/src/lpc43_ostest.c

@@ -78,7 +78,7 @@ void arch_getfpu(FAR uint32_t *fpusave)
   /* Take a snapshot of the thread context right now */
 
   flags = enter_critical_section();
-  arm_saveusercontext(g_saveregs);
+  up_saveusercontext(g_saveregs);
 
   /* Return only the floating register values */
 

boards/arm/lpc43xx/lpc4357-evb/src/lpc43_ostest.c

@@ -78,7 +78,7 @@ void arch_getfpu(FAR uint32_t *fpusave)
   /* Take a snapshot of the thread context right now */
 
   flags = enter_critical_section();
-  arm_saveusercontext(g_saveregs);
+  up_saveusercontext(g_saveregs);
 
   /* Return only the floating register values */
 

boards/arm/lpc43xx/lpc4370-link2/src/lpc43_ostest.c

@@ -78,7 +78,7 @@ void arch_getfpu(FAR uint32_t *fpusave)
   /* Take a snapshot of the thread context right now */
 
   flags = enter_critical_section();
-  arm_saveusercontext(g_saveregs);
+  up_saveusercontext(g_saveregs);
 
   /* Return only the floating register values */
 

boards/arm/sama5/giant-board/src/sam_ostest.c

@@ -74,7 +74,7 @@ void arch_getfpu(FAR uint32_t *fpusave)
   /* Take a snapshot of the thread context right now */
 
   flags = enter_critical_section();
-  arm_saveusercontext(g_saveregs);
+  up_saveusercontext(g_saveregs);
 
   /* Return only the floating register values */
 

boards/arm/sama5/sama5d2-xult/src/sam_ostest.c

@@ -78,7 +78,7 @@ void arch_getfpu(FAR uint32_t *fpusave)
   /* Take a snapshot of the thread context right now */
 
   flags = enter_critical_section();
-  arm_saveusercontext(g_saveregs);
+  up_saveusercontext(g_saveregs);
 
   /* Return only the floating register values */
 

boards/arm/sama5/sama5d3-xplained/src/sam_ostest.c

@@ -78,7 +78,7 @@ void arch_getfpu(FAR uint32_t *fpusave)
   /* Take a snapshot of the thread context right now */
 
   flags = enter_critical_section();
-  arm_saveusercontext(g_saveregs);
+  up_saveusercontext(g_saveregs);
 
   /* Return only the floating register values */
 

boards/arm/sama5/sama5d3x-ek/src/sam_ostest.c

@@ -78,7 +78,7 @@ void arch_getfpu(FAR uint32_t *fpusave)
   /* Take a snapshot of the thread context right now */
 
   flags = enter_critical_section();
-  arm_saveusercontext(g_saveregs);
+  up_saveusercontext(g_saveregs);
 
   /* Return only the floating register values */
 

boards/arm/sama5/sama5d4-ek/src/sam_ostest.c

@@ -78,7 +78,7 @@ void arch_getfpu(FAR uint32_t *fpusave)
   /* Take a snapshot of the thread context right now */
 
   flags = enter_critical_section();
-  arm_saveusercontext(g_saveregs);
+  up_saveusercontext(g_saveregs);
 
   /* Return only the floating register values */
 

boards/arm/stm32/omnibusf4/src/stm32_ostest.c

@@ -76,7 +76,7 @@ void arch_getfpu(FAR uint32_t *fpusave)
   /* Take a snapshot of the thread context right now */
 
   flags = enter_critical_section();
-  arm_saveusercontext(g_saveregs);
+  up_saveusercontext(g_saveregs);
 
   /* Return only the floating register values */
 

boards/arm/stm32/stm3240g-eval/src/stm32_ostest.c

@@ -78,7 +78,7 @@ void arch_getfpu(FAR uint32_t *fpusave)
   /* Take a snapshot of the thread context right now */
 
   flags = enter_critical_section();
-  arm_saveusercontext(g_saveregs);
+  up_saveusercontext(g_saveregs);
 
   /* Return only the floating register values */
 

boards/arm/stm32/stm32f429i-disco/src/stm32_ostest.c

@@ -78,7 +78,7 @@ void arch_getfpu(FAR uint32_t *fpusave)
   /* Take a snapshot of the thread context right now */
 
   flags = enter_critical_section();
-  arm_saveusercontext(g_saveregs);
+  up_saveusercontext(g_saveregs);
 
   /* Return only the floating register values */
 

boards/arm/stm32/stm32f4discovery/src/stm32_ostest.c

@@ -74,7 +74,7 @@ void arch_getfpu(FAR uint32_t *fpusave)
   /* Take a snapshot of the thread context right now */
 
   flags = enter_critical_section();
-  arm_saveusercontext(g_saveregs);
+  up_saveusercontext(g_saveregs);
 
   /* Return only the floating register values */
 

boards/arm/stm32f7/stm32f746g-disco/src/stm32_ostest.c

@@ -78,7 +78,7 @@ void arch_getfpu(FAR uint32_t *fpusave)
   /* Take a snapshot of the thread context right now */
 
   flags = enter_critical_section();
-  arm_saveusercontext(g_saveregs);
+  up_saveusercontext(g_saveregs);
 
   /* Return only the floating register values */
 

boards/arm/stm32f7/stm32f769i-disco/src/stm32_ostest.c

@@ -78,7 +78,7 @@ void arch_getfpu(FAR uint32_t *fpusave)
   /* Take a snapshot of the thread context right now */
 
   flags = enter_critical_section();
-  arm_saveusercontext(g_saveregs);
+  up_saveusercontext(g_saveregs);
 
   /* Return only the floating register values */
 

boards/arm/stm32h7/nucleo-h743zi2/src/stm32_ostest.c

@@ -74,7 +74,7 @@ void arch_getfpu(FAR uint32_t *fpusave)
   /* Take a snapshot of the thread context right now */
 
   flags = enter_critical_section();
-  arm_saveusercontext(g_saveregs);
+  up_saveusercontext(g_saveregs);
 
   /* Return only the floating register values */
 

boards/arm/xmc4/xmc4500-relax/src/xmc4_ostest.c

@@ -74,7 +74,7 @@ void arch_getfpu(FAR uint32_t *fpusave)
   /* Take a snapshot of the thread context right now */
 
   flags = enter_critical_section();
-  arm_saveusercontext(g_saveregs);
+  up_saveusercontext(g_saveregs);
 
   /* Return only the floating register values */
 

boards/arm/xmc4/xmc4700-relax/src/xmc4_ostest.c

@@ -74,7 +74,7 @@ void arch_getfpu(FAR uint32_t *fpusave)
   /* Take a snapshot of the thread context right now */
 
   flags = enter_critical_section();
-  arm_saveusercontext(g_saveregs);
+  up_saveusercontext(g_saveregs);
 
   /* Return only the floating register values */
 

boards/risc-v/bl602/bl602evb/src/bl602_ostest.c

@@ -74,7 +74,7 @@ void arch_getfpu(FAR uint32_t *fpusave)
   /* Take a snapshot of the thread context right now */
 
   flags = enter_critical_section();
-  riscv_saveusercontext(g_saveregs);
+  up_saveusercontext(g_saveregs);
 
   /* Return only the floating register values */
 

boards/risc-v/c906/smartl-c906/src/c906_ostest.c

@@ -74,7 +74,7 @@ void arch_getfpu(FAR uint32_t *fpusave)
   /* Take a snapshot of the thread context right now */
 
   flags = enter_critical_section();
-  riscv_saveusercontext(g_saveregs);
+  up_saveusercontext(g_saveregs);
 
   /* Return only the floating register values */
 

boards/risc-v/mpfs/common/src/mpfs_ostest.c

@@ -74,7 +74,7 @@ void arch_getfpu(FAR uint32_t *fpusave)
   /* Take a snapshot of the thread context right now */
 
   flags = enter_critical_section();
-  riscv_saveusercontext(g_saveregs);
+  up_saveusercontext(g_saveregs);
 
   /* Return only the floating register values */
 

boards/risc-v/qemu-rv/rv-virt/src/qemu_rv_ostest.c

@@ -74,7 +74,7 @@ void arch_getfpu(FAR uint32_t *fpusave)
   /* Take a snapshot of the thread context right now */
 
   flags = enter_critical_section();
-  riscv_saveusercontext(g_saveregs);
+  up_saveusercontext(g_saveregs);
 
   /* Return only the floating register values */
 

include/nuttx/arch.h

@@ -2563,6 +2563,16 @@ uint32_t up_perf_gettime(void);
 uint32_t up_perf_getfreq(void);
 void up_perf_convert(uint32_t elapsed, FAR struct timespec *ts);
 
+/****************************************************************************
+ * Name: up_saveusercontext
+ *
+ * Description:
+ *   Save the current thread context
+ *
+ ****************************************************************************/
+
+int up_saveusercontext(FAR void *saveregs);
+
 #undef EXTERN
 #if defined(__cplusplus)
 }