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organize risc-v code for spike and bumblebee

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This commit is contained in:
acevest
2019-09-25 21:53:27 +08:00
parent 379427f879
commit b1b2d1eabc
15 changed files with 129 additions and 30 deletions
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16
arch/risc-v/rv32i/gcc/port_c.c
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@@ -1,18 +1,8 @@
#include "riscv_encoding.h"
#include "riscv_port.h"
#include <tos.h>
#if 0
#define CLINT_CTRL_ADDR 0x2000000
#define CLINT_MSIP 0x0000
#define CLINT_MTIMECMP 0x4000
#define CLINT_MTIME 0xBFF8
#else
#include "gd32vf103.h"
#define CLINT_CTRL_ADDR 0xD1000000
#define CLINT_MSIP 0x0FFC
#define CLINT_MTIMECMP 0x0008
#define CLINT_MTIME 0x0000
#endif
//#include "gd32vf103.h"
__PORT__ void port_systick_config(uint32_t cycle_per_tick)
{
@@ -43,8 +33,6 @@ __PORT__ void port_systick_config(uint32_t cycle_per_tick)
*(volatile uint32_t *)(CLINT_CTRL_ADDR + CLINT_MTIMECMP + 0) = 0xFFFFFFFF;
*(volatile uint32_t *)(CLINT_CTRL_ADDR + CLINT_MTIMECMP + 4) = 0xFFFFFFFF & (mtimecmp >> 32);
*(volatile uint32_t *)(CLINT_CTRL_ADDR + CLINT_MTIMECMP + 0) = 0xFFFFFFFF & (mtimecmp >> 0);
}
__PORT__ void port_systick_priority_set(uint32_t prio)