[bsp/gd32] 1.补充链接脚本 2.完善libcpu\risc-v\common\interrupt_gcc.S 3.补充gd32vw553h-eval\SConstruct

Author: MuChenger

bsp/gd32/risc-v/gd32vw553h-eval/SConstruct

@@ -65,7 +65,7 @@ gd32_library = 'GD32VW55x_Firmware_Library'
 rtconfig.BSP_LIBRARY_TYPE = gd32_library
 
 # include drivers
-objs.extend(SConscript(os.path.join(libraries_path_prefix, 'gd32_drivers', 'SConscript')))
+objs.extend(SConscript(os.path.join(libraries_path_prefix, 'gd32_drivers', 'SConscript'), variant_dir='build/libraries', duplicate=0))
 
 # make a building
 DoBuilding(TARGET, objs)

bsp/gd32/risc-v/gd32vw553h-eval/board/linker_scripts/link.lds

@@ -3,47 +3,79 @@ OUTPUT_ARCH( "riscv" )
 ENTRY( _start )
 
 MEMORY
-{ 
-    /* Run in FLASH */ 
+{
+    /* Run in FLASH */
     flash (rxai!w) : ORIGIN = 0x08000000, LENGTH = 4096k
-    ram   (wxa!ri) : ORIGIN = 0x20000000, LENGTH = 288K 
+    ram   (wxa!ri) : ORIGIN = 0x20000000, LENGTH = 288K
 
-    /* Run in RAM */ 
-/*    flash (rxai!w) : ORIGIN = 0x20000000, LENGTH = 32k
-    ram   (wxa!ri) : ORIGIN = 0x20008000, LENGTH = 256K
-*/
+    /* Run in RAM */
+    /* flash (rxai!w) : ORIGIN = 0x20000000, LENGTH = 32k
+    ram   (wxa!ri) : ORIGIN = 0x20008000, LENGTH = 256K */
 }
 
-
 SECTIONS
 {
   __stack_size = DEFINED(__stack_size) ? __stack_size : 4K;
 
-
   .init           :
   {
     KEEP (*(SORT_NONE(.init)))
-  } >flash AT>flash 
+  } >flash AT>flash
 
   .ilalign         :
   {
     . = ALIGN(4);
     PROVIDE( _ilm_lma = . );
-  } >flash AT>flash 
+  } >flash AT>flash
 
   .ialign         :
   {
     PROVIDE( _ilm = . );
-  } >flash AT>flash 
+  } >flash AT>flash
+
+  _sicode = LOADADDR(.code_to_sram);
+
+  .code_to_sram :
+  {
+    . = ALIGN(4);
+    _scode = .;
+
+    *trap_gcc.o* (.text*)
+    *port.o* (.text.eclic_mtip_handler)
+    *lib_a-memcpy.o* (.text*)
+    *wrapper_os.o* (.text.sys_memcpy*)
+    *inet_chksum.o* (.text.lwip_standard_chksum)
+    /**macsw/modules/ke/ke_event.o* (.rodata.ke_evt_hdlr*)
+    *rxl_cntrl.o* (.text.rxl_upload_evt)*/
+    *txl_agg.o* (.text.txl_agg_push_mpdu  .text.txl_agg_finish)
+    *txl_he.o* (.text.txl_he_tb_prot_trigger .text.txl_he_trigger_push)
+    *rxl_hwdesc.o* (.text.rxl_immediate_frame_get  .text.rxl_rxcntrl_frame)
+
+
+    *txl_agg.o* (.text.* .rodata.*)
+    *txl_he.o* (.text.* .rodata.*)
+    *rxl_hwdesc.o* (.text.* .rodata.*)
+
+    *drv_uart.o* (.text.USART0_IRQHandler .text.GD32_UART_IRQHandler) /* choose UART on condition */
+    *gd32vw55x_usart.o* (.text.usart_interrupt_flag_get .text.usart_interrupt_flag_clear  .text.usart_flag_get .text.usart_flag_clear)
+    *gd32vw55x_usart.o* (.text.usart_data_receive .text.usart_data_transmit)
+    *gd32vw55x_usart.o* (.text.usart_interrupt_enable .text.usart_interrupt_disable)
+    *dev_serial.o*  (.text.rt_hw_serial_isr)
+    *save-restore.o* (.text*)
+
+
+    . = ALIGN(4);
+    _ecode = .;
+  } >ram AT>flash
 
   .text           :
   {
-    *(.rodata .rodata.*)  
+    *(.rodata .rodata.*)
     *(.text.unlikely .text.unlikely.*)
     *(.text.startup .text.startup.*)
     *(.text .text.*)
     *(.gnu.linkonce.t.*)
-    
+
     /* section information for finsh shell */
     . = ALIGN(4);
     __fsymtab_start = .;
@@ -62,23 +94,17 @@ SECTIONS
     __rt_init_end = .;
     . = ALIGN(4);
 
-    /* section information for utest */
-    . = ALIGN(4);
-    __rt_utest_tc_tab_start = .;
-    KEEP(*(UtestTcTab))
-    __rt_utest_tc_tab_end = .;
-
     /* section information for modules */
     . = ALIGN(4);
     __rtmsymtab_start = .;
     KEEP(*(RTMSymTab))
     __rtmsymtab_end = .;
-  } >flash AT>flash 
+  } >flash AT>flash
 
   .fini           :
   {
     KEEP (*(SORT_NONE(.fini)))
-  } >flash AT>flash 
+  } >flash AT>flash
 
   . = ALIGN(4);
 
@@ -92,23 +118,23 @@ SECTIONS
     PROVIDE_HIDDEN (__preinit_array_start = .);
     KEEP (*(.preinit_array))
     PROVIDE_HIDDEN (__preinit_array_end = .);
-  } >flash AT>flash 
+  } >flash AT>flash
 
   .init_array     :
   {
     PROVIDE_HIDDEN (__init_array_start = .);
     KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
     KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors))
     PROVIDE_HIDDEN (__init_array_end = .);
-  } >flash AT>flash 
+  } >flash AT>flash
 
   .fini_array     :
   {
     PROVIDE_HIDDEN (__fini_array_start = .);
     KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
     KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors))
     PROVIDE_HIDDEN (__fini_array_end = .);
-  } >flash AT>flash 
+  } >flash AT>flash
 
   .ctors          :
   {
@@ -130,7 +156,7 @@ SECTIONS
     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
     KEEP (*(SORT(.ctors.*)))
     KEEP (*(.ctors))
-  } >flash AT>flash 
+  } >flash AT>flash
 
   .dtors          :
   {
@@ -139,7 +165,7 @@ SECTIONS
     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
     KEEP (*(SORT(.dtors.*)))
     KEEP (*(.dtors))
-  } >flash AT>flash 
+  } >flash AT>flash
 
     . = ALIGN(4);
     PROVIDE( _eilm = . );
@@ -148,24 +174,24 @@ SECTIONS
   {
     . = ALIGN(4);
     PROVIDE( _data_lma = . );
-  } >flash AT>flash 
+  } >flash AT>flash
 
   .dalign         :
   {
     . = ALIGN(4);
-    PROVIDE( _data = . );
-  } >ram AT>flash 
-  
-  
+  } >ram AT>flash
+
+
   .data          :
   {
-    *(.rdata) 
-   
+     PROVIDE( _data = . );
+    *(.rdata)
+
     *(.gnu.linkonce.r.*)
     *(.data .data.*)
     *(.gnu.linkonce.d.*)
     . = ALIGN(8);
-    PROVIDE( __global_pointer$ = . + 0x800); 
+    PROVIDE( __global_pointer$ = . + 0x800);
     *(.sdata .sdata.*)
     *(.gnu.linkonce.s.*)
     . = ALIGN(8);
@@ -174,7 +200,7 @@ SECTIONS
     *(.srodata.cst4)
     *(.srodata.cst2)
     *(.srodata .srodata.*)
-  } >ram AT>flash 
+  } >ram AT>flash
 
   . = ALIGN(4);
   PROVIDE( _edata = . );
@@ -190,17 +216,17 @@ SECTIONS
     *(.gnu.linkonce.b.*)
     *(COMMON)
     . = ALIGN(4);
-  } >ram AT>ram 
+  } >ram AT>ram
 
   . = ALIGN(8);
   PROVIDE( _end = . ); /*0X2000,0340*/
   PROVIDE( end = . );
 
   .stack ORIGIN(ram) + LENGTH(ram) - __stack_size :
   {
-    PROVIDE( _heap_end = . ); 
-    . = __stack_size;  
+    PROVIDE( _heap_end = . );
+    . = __stack_size;
     PROVIDE( _sp = . );
     PROVIDE( __rt_rvstack = .);
-  } >ram AT>ram 
+  } >ram AT>ram
 }

libcpu/risc-v/common/interrupt_gcc.S

@@ -102,12 +102,18 @@ SW_handler:
     /* interrupt handle */
     call  rt_interrupt_enter
     /* Do the work after saving the above */
-    jal   rt_hw_do_after_save_above
+    call  rt_hw_do_after_save_above
 
     call  rt_interrupt_leave
     /* switch to from thread stack */
     csrrw sp,mscratch,sp
 
+    /* Check if we are in interrupt nesting, if so, skip task switching */
+    la    t0, rt_interrupt_nest
+    lw    t1, 0(t0)
+    li    t3, 1
+    bge   t1, t3, 1f
+
     /* Determine whether to trigger scheduling at the interrupt function */
     la    t0, rt_thread_switch_interrupt_flag
     lw    t2, 0(t0)