[libcpu/risc-v]迁移libcpu/risc-v/hpmicro中的文件至bsp

bsp/hpmicro/hpm6750evk/board/SConscript

@@ -10,6 +10,7 @@ src = Split("""
     eth_phy_port.c
     fal_flash_port.c
     hpm_sgtl5000.c
+    trap_gcc.S
 """)
 
 CPPPATH = [cwd]

bsp/hpmicro/hpm6750evkmini/board/SConscript

@@ -10,6 +10,7 @@ src = Split("""
     rw007_port.c
     eth_phy_port.c
     fal_flash_port.c
+    trap_gcc.S
 """)
 
 CPPPATH = [cwd]

bsp/hpmicro/hpm6750evkmini/board/trap_gcc.S

@@ -0,0 +1,12 @@
+#include "cpuport.h"
+
+	.globl rt_hw_do_after_save_above
+	.type rt_hw_do_after_save_above,@function
+rt_hw_do_after_save_above:
+	addi  sp, sp,  -4
+    STORE ra,  0 * REGBYTES(sp)
+    csrr  a0, mscratch
+    call  trap_entry
+    LOAD  ra,  0 * REGBYTES(sp)
+    addi  sp, sp,  4
+    ret

libcpu/risc-v/hpmicro/SConscript

@@ -1,18 +0,0 @@
-# RT-Thread building script for component
-
-from building import *
-
-Import('rtconfig')
-
-cwd     = GetCurrentDir()
-src     = Glob('*.c') + Glob('*.cpp')
-
-if rtconfig.PLATFORM == 'gcc':
-     src += Glob('*_gcc.S')
-
-CPPPATH = [cwd]
-ASFLAGS = ' -I ' + cwd
-
-group = DefineGroup('CPU', src, depend = [''], CPPPATH = CPPPATH, ASFLAGS = ASFLAGS)
-
-Return('group')