libs/rt-thread
libs
/
rt-thread
4
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

[bsp][bluetrum] update link.lds

This commit is contained in:
greedyhao 2020-12-30 17:43:23 +08:00
parent 08aa4e5462
commit 7741df50ab
6 changed files with 51 additions and 39 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
bsp/bluetrum/ab32vg1-ab-prougen/.config
View File

@ -380,6 +380,7 @@ CONFIG_RT_USING_LIBC=y
# CONFIG_PKG_USING_UC_COMMON is not set
# CONFIG_PKG_USING_UC_MODBUS is not set
# CONFIG_PKG_USING_PPOOL is not set
# CONFIG_PKG_USING_OPENAMP is not set
#
# peripheral libraries and drivers

13
bsp/bluetrum/ab32vg1-ab-prougen/link.lds
View File

@ -60,15 +60,10 @@ SECTIONS
} > ram1 AT > flash
.comm : {
KEEP (*(.vector))
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*)
*idle.o (.text*)
*ipc.o (.text*)
*irq.o (.text*)
*scheduler.o (.text*)
*timer.o (.text*)
*kservice.o (.text*)
EXCLUDE_FILE (*romfs.o *lib_a**.o) *(.rodata*)
KEEP(*(.vector))
EXCLUDE_FILE(*components*finsh**.o *components*libc**.o *romfs.o *lib_a**.o) *(.text*)
*finsh*shell.o (.text*)
EXCLUDE_FILE (*components*libc**.o *romfs.o *lib_a**.o) *(.rodata*)
*(.srodata*)
*(.rela*)
*(.data*)

13
bsp/bluetrum/ab32vg1-ab-prougen/makefile.targets Normal file
View File

@ -0,0 +1,13 @@
rtthread.siz:
riscv64-unknown-elf-size --format=berkeley "rtthread.elf"
sh ../pre_build.sh
riscv32-elf-xmaker -b rtthread.xm
riscv32-elf-xmaker -b download.xm
clean2:
-$(RM) $(CC_DEPS)$(C++_DEPS)$(C_UPPER_DEPS)$(CXX_DEPS)$(SECONDARY_FLASH)$(SECONDARY_SIZE)$(ASM_DEPS)$(S_UPPER_DEPS)$(C_DEPS)$(CPP_DEPS)
-$(RM) $(OBJS) *.elf
-@echo ' '
*.elf: $(wildcard D:/Softwares/RT-ThreadStudio/workspace/ab32vg1/link.lds)

4
bsp/bluetrum/ab32vg1-ab-prougen/pre_build.sh Normal file
View File

@ -0,0 +1,4 @@
cp ../riscv32-elf-xmaker.exe .
cp ../header.bin .
cp ../rtthread.xm .
cp ../download.xm .

44
bsp/bluetrum/libcpu/cpu/context_gcc.S
View File

@ -13,7 +13,7 @@
.global rt_interrupt_from_thread
.global rt_interrupt_to_thread
.global rt_cur_thread_sp
.global rt_switch_flag
.global rt_thread_switch_interrupt_flag
.global rt_interrupt_nest
/*
@ -77,12 +77,12 @@ enable_int_ret:
sw x30, 108(sp)
sw x31, 112(sp)
lw a5, EPC(zero) //Saves current program counter (EPC) as task program counter
lw a5, EPC(zero) //Saves current program counter (EPC) as task program counter
sw a5, 116(sp)
lw a5, EPICCON(zero)
sw a5, 120(sp)
sw sp, rt_cur_thread_sp, a4 //store sp in preempted tasks tcb
sw sp, rt_cur_thread_sp, a4 //store sp in preempted tasks tcb
.endm
@ -90,7 +90,7 @@ enable_int_ret:
.macro restore_context
la a5, rt_cur_thread_sp
lw sp, 0(a5) //get new task stack pointer
lw sp, 0(a5) //get new task stack pointer
/* Load task program counter EPC*/
lw a5, 116(sp)
@ -140,16 +140,16 @@ enable_int_ret:
*/
.globl rt_hw_context_switch_to
rt_hw_context_switch_to:
sw zero, rt_interrupt_from_thread, a4 /*set from thread to 0*/
sw a0, rt_interrupt_to_thread, a4 /*set rt_interrupt_to_thread*/
sw zero, rt_interrupt_from_thread, a4 /*set from thread to 0*/
sw a0, rt_interrupt_to_thread, a4 /*set rt_interrupt_to_thread*/
sb zero, rt_interrupt_nest, a4 /*rt_interrupt_nest = 0*/
sb zero, rt_interrupt_nest, a4 /*rt_interrupt_nest = 0*/
li a5, 1
sw a5, rt_switch_flag, a4 // rt_switch_flag = 1;
sw a5, rt_thread_switch_interrupt_flag, a4 // rt_thread_switch_interrupt_flag = 1;
SWINT /*kick soft interrupt*/
lw a5, PICCON(zero) /*enable interrupt*/
lw a5, PICCON(zero) /*enable interrupt*/
ori a5, a5, 1
sw a5, PICCON(zero)
ret
@ -161,10 +161,10 @@ rt_hw_context_switch_to:
*/
.globl rt_hw_context_switch
rt_hw_context_switch:
sw a0, rt_interrupt_from_thread, a4 /*set rt_interrupt_from_thread*/
sw a0, rt_interrupt_from_thread, a4 /*set rt_interrupt_from_thread*/
sw a1, rt_interrupt_to_thread, a4 /*set rt_interrupt_to_thread*/
li a5, 1
sw a5, rt_switch_flag, a4 // rt_switch_flag = 1;
sw a5, rt_thread_switch_interrupt_flag, a4 /*rt_thread_switch_interrupt_flag = 1*/
SWINT /*kick soft interrupt*/
ret
@ -190,37 +190,37 @@ rt_switch_to_thread:
*/
.global rt_hw_context_switch_interrupt
rt_hw_context_switch_interrupt:
lw a5, rt_switch_flag
lw a5, rt_thread_switch_interrupt_flag
bnez a5, _reswitch
li a5, 0x01
sw a5, rt_switch_flag, a4
sw a0, rt_interrupt_from_thread, a4 /*set rt_interrupt_from_thread*/
sw a5, rt_thread_switch_interrupt_flag, a4
sw a0, rt_interrupt_from_thread, a4 /*set rt_interrupt_from_thread*/
_reswitch:
sw a1, rt_interrupt_to_thread, a4 /*set rt_interrupt_to_thread*/
sw a1, rt_interrupt_to_thread, a4 /*set rt_interrupt_to_thread*/
ret
//软中断服务
.global rt_soft_isr
rt_soft_isr:
li a5, 0x4 // PICPND = BIT(IRQ_SW_VECTOR); 清软中断Pending
li a5, 0x4 // PICPND = BIT(IRQ_SW_VECTOR); 清软中断Pending
sw a5, PICPND(zero)
ret
.globl low_prio_irq
low_prio_irq:
save_context
li a5, 1
sb a5, rt_interrupt_nest, a4 // rt_interrupt_nest = 1;
lw a5, rt_interrupt_nest
bnez a5, _low_prio_irq_exit
lw a5, cpu_irq_comm_hook
jalr a5
lw a5, rt_switch_flag
beqz a5, _low_prio_irq_exit // if (rt_switch_flag)
lw a5, rt_thread_switch_interrupt_flag
beqz a5, _low_prio_irq_exit // if (rt_thread_switch_interrupt_flag)
jal rt_switch_to_thread
sw zero, rt_switch_flag, a4 // rt_switch_flag = 0;
sw zero, rt_thread_switch_interrupt_flag, a4 // rt_thread_switch_interrupt_flag = 0;
_low_prio_irq_exit:
sb zero, rt_interrupt_nest, a4 // rt_interrupt_nest = 0;
restore_context

15
bsp/bluetrum/libcpu/cpu/cpuport.c
View File

@ -14,7 +14,6 @@
volatile rt_ubase_t rt_interrupt_from_thread = 0;
volatile rt_ubase_t rt_interrupt_to_thread = 0;
volatile rt_uint32_t rt_thread_switch_interrupt_flag = 0;
volatile rt_uint32_t rt_switch_flag = 0;
rt_uint32_t rt_cur_thread_sp = 0;
/**
@ -42,13 +41,13 @@ rt_uint8_t *rt_hw_stack_init(void *tentry,
stk--;
*stk = (rt_uint32_t)0x10003; /* Start address */
stk--;
*stk = (rt_uint32_t)tentry; /* Start address */
stk -= 22;
*stk = (rt_uint32_t)parameter; /* Register a0 parameter*/
stk -= 6;
*stk = (rt_uint32_t)tp; /* Register thread pointer */
stk --;
*stk = (rt_uint32_t)texit; /* Register ra texit*/
*stk = (rt_uint32_t)tentry; /* Start address */
stk -= 22;
*stk = (rt_uint32_t)parameter; /* Register a0 parameter*/
stk -= 6;
*stk = (rt_uint32_t)tp; /* Register thread pointer */
stk --;
*stk = (rt_uint32_t)texit; /* Register ra texit*/
/* return task's current stack address */
return (rt_uint8_t *)stk;