Merge pull request #4206 from greedyhao/bluetrum
[bsp][bluetrum] update link.lds
This commit is contained in:
Bernard Xiong
GitHub
commit
a207f22150
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@ -380,6 +380,7 @@ CONFIG_RT_USING_LIBC=y
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# CONFIG_PKG_USING_UC_COMMON is not set
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# CONFIG_PKG_USING_UC_MODBUS is not set
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# CONFIG_PKG_USING_PPOOL is not set
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# CONFIG_PKG_USING_OPENAMP is not set
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#
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# peripheral libraries and drivers
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@ -60,15 +60,10 @@ SECTIONS
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} > ram1 AT > flash
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.comm : {
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KEEP (*(.vector))
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EXCLUDE_FILE (*hal_drivers**.o *ab32vg1_hal**.o *components*finsh**.o *components*libc**.o *rt-thread*src**.o *kernel*src**.o *romfs.o *lib_a**.o) *(.text*)
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*idle.o (.text*)
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*ipc.o (.text*)
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*irq.o (.text*)
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*scheduler.o (.text*)
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*timer.o (.text*)
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*kservice.o (.text*)
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EXCLUDE_FILE (*romfs.o *lib_a**.o) *(.rodata*)
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KEEP(*(.vector))
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EXCLUDE_FILE(*components*finsh**.o *components*libc**.o *romfs.o *lib_a**.o) *(.text*)
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*finsh*shell.o (.text*)
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EXCLUDE_FILE (*components*libc**.o *romfs.o *lib_a**.o) *(.rodata*)
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*(.srodata*)
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*(.rela*)
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*(.data*)
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@ -0,0 +1,13 @@
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rtthread.siz:
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riscv64-unknown-elf-size --format=berkeley "rtthread.elf"
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sh ../pre_build.sh
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riscv32-elf-xmaker -b rtthread.xm
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riscv32-elf-xmaker -b download.xm
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clean2:
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-$(RM) $(CC_DEPS)$(C++_DEPS)$(C_UPPER_DEPS)$(CXX_DEPS)$(SECONDARY_FLASH)$(SECONDARY_SIZE)$(ASM_DEPS)$(S_UPPER_DEPS)$(C_DEPS)$(CPP_DEPS)
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-$(RM) $(OBJS) *.elf
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-@echo ' '
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*.elf: $(wildcard D:/Softwares/RT-ThreadStudio/workspace/ab32vg1/link.lds)
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@ -0,0 +1,4 @@
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cp ../riscv32-elf-xmaker.exe .
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cp ../header.bin .
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cp ../rtthread.xm .
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cp ../download.xm .
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@ -13,7 +13,7 @@
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.global rt_interrupt_from_thread
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.global rt_interrupt_to_thread
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.global rt_cur_thread_sp
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.global rt_switch_flag
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.global rt_thread_switch_interrupt_flag
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.global rt_interrupt_nest
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/*
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@ -77,12 +77,12 @@ enable_int_ret:
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sw x30, 108(sp)
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sw x31, 112(sp)
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lw a5, EPC(zero) //Saves current program counter (EPC) as task program counter
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lw a5, EPC(zero) //Saves current program counter (EPC) as task program counter
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sw a5, 116(sp)
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lw a5, EPICCON(zero)
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sw a5, 120(sp)
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sw sp, rt_cur_thread_sp, a4 //store sp in preempted tasks tcb
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sw sp, rt_cur_thread_sp, a4 //store sp in preempted tasks tcb
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.endm
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@ -90,7 +90,7 @@ enable_int_ret:
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.macro restore_context
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la a5, rt_cur_thread_sp
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lw sp, 0(a5) //get new task stack pointer
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lw sp, 0(a5) //get new task stack pointer
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/* Load task program counter EPC*/
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lw a5, 116(sp)
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@ -140,16 +140,16 @@ enable_int_ret:
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*/
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.globl rt_hw_context_switch_to
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rt_hw_context_switch_to:
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sw zero, rt_interrupt_from_thread, a4 /*set from thread to 0*/
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sw a0, rt_interrupt_to_thread, a4 /*set rt_interrupt_to_thread*/
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sw zero, rt_interrupt_from_thread, a4 /*set from thread to 0*/
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sw a0, rt_interrupt_to_thread, a4 /*set rt_interrupt_to_thread*/
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sb zero, rt_interrupt_nest, a4 /*rt_interrupt_nest = 0*/
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sb zero, rt_interrupt_nest, a4 /*rt_interrupt_nest = 0*/
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li a5, 1
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sw a5, rt_switch_flag, a4 // rt_switch_flag = 1;
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sw a5, rt_thread_switch_interrupt_flag, a4 // rt_thread_switch_interrupt_flag = 1;
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SWINT /*kick soft interrupt*/
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lw a5, PICCON(zero) /*enable interrupt*/
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lw a5, PICCON(zero) /*enable interrupt*/
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ori a5, a5, 1
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sw a5, PICCON(zero)
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ret
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@ -161,10 +161,10 @@ rt_hw_context_switch_to:
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*/
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.globl rt_hw_context_switch
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rt_hw_context_switch:
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sw a0, rt_interrupt_from_thread, a4 /*set rt_interrupt_from_thread*/
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sw a0, rt_interrupt_from_thread, a4 /*set rt_interrupt_from_thread*/
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sw a1, rt_interrupt_to_thread, a4 /*set rt_interrupt_to_thread*/
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li a5, 1
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sw a5, rt_switch_flag, a4 // rt_switch_flag = 1;
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sw a5, rt_thread_switch_interrupt_flag, a4 /*rt_thread_switch_interrupt_flag = 1*/
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SWINT /*kick soft interrupt*/
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ret
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@ -190,37 +190,37 @@ rt_switch_to_thread:
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*/
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.global rt_hw_context_switch_interrupt
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rt_hw_context_switch_interrupt:
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lw a5, rt_switch_flag
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lw a5, rt_thread_switch_interrupt_flag
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bnez a5, _reswitch
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li a5, 0x01
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sw a5, rt_switch_flag, a4
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sw a0, rt_interrupt_from_thread, a4 /*set rt_interrupt_from_thread*/
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sw a5, rt_thread_switch_interrupt_flag, a4
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sw a0, rt_interrupt_from_thread, a4 /*set rt_interrupt_from_thread*/
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_reswitch:
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sw a1, rt_interrupt_to_thread, a4 /*set rt_interrupt_to_thread*/
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sw a1, rt_interrupt_to_thread, a4 /*set rt_interrupt_to_thread*/
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ret
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//软中断服务
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.global rt_soft_isr
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rt_soft_isr:
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li a5, 0x4 // PICPND = BIT(IRQ_SW_VECTOR); 清软中断Pending
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li a5, 0x4 // PICPND = BIT(IRQ_SW_VECTOR); 清软中断Pending
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sw a5, PICPND(zero)
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ret
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.globl low_prio_irq
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low_prio_irq:
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save_context
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li a5, 1
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sb a5, rt_interrupt_nest, a4 // rt_interrupt_nest = 1;
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lw a5, rt_interrupt_nest
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bnez a5, _low_prio_irq_exit
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lw a5, cpu_irq_comm_hook
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jalr a5
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lw a5, rt_switch_flag
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beqz a5, _low_prio_irq_exit // if (rt_switch_flag)
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lw a5, rt_thread_switch_interrupt_flag
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beqz a5, _low_prio_irq_exit // if (rt_thread_switch_interrupt_flag)
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jal rt_switch_to_thread
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sw zero, rt_switch_flag, a4 // rt_switch_flag = 0;
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sw zero, rt_thread_switch_interrupt_flag, a4 // rt_thread_switch_interrupt_flag = 0;
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_low_prio_irq_exit:
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sb zero, rt_interrupt_nest, a4 // rt_interrupt_nest = 0;
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restore_context
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@ -14,7 +14,6 @@
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volatile rt_ubase_t rt_interrupt_from_thread = 0;
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volatile rt_ubase_t rt_interrupt_to_thread = 0;
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volatile rt_uint32_t rt_thread_switch_interrupt_flag = 0;
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volatile rt_uint32_t rt_switch_flag = 0;
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rt_uint32_t rt_cur_thread_sp = 0;
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/**
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@ -42,13 +41,13 @@ rt_uint8_t *rt_hw_stack_init(void *tentry,
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stk--;
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*stk = (rt_uint32_t)0x10003; /* Start address */
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stk--;
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*stk = (rt_uint32_t)tentry; /* Start address */
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stk -= 22;
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*stk = (rt_uint32_t)parameter; /* Register a0 parameter*/
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stk -= 6;
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*stk = (rt_uint32_t)tp; /* Register thread pointer */
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stk --;
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*stk = (rt_uint32_t)texit; /* Register ra texit*/
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*stk = (rt_uint32_t)tentry; /* Start address */
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stk -= 22;
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*stk = (rt_uint32_t)parameter; /* Register a0 parameter*/
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stk -= 6;
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*stk = (rt_uint32_t)tp; /* Register thread pointer */
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stk --;
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*stk = (rt_uint32_t)texit; /* Register ra texit*/
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/* return task's current stack address */
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return (rt_uint8_t *)stk;
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