[libcpu] remove libcpu/risc-v

1 files changed, 0 insertions, 55 deletions

diff --git a/libcpu/risc-v/e310/trap.c b/libcpu/risc-v/e310/trap.c
deleted file mode 100644
index 7429e1a5f3..0000000000
--- a/libcpu/risc-v/e310/trap.c
+++ /dev/null
@@ -1,55 +0,0 @@
-#include <rtthread.h>
-#include <rthw.h>
-#include <platform.h>
-#include <encoding.h>
-#include "interrupt.h"
-extern struct rt_irq_desc irq_desc[];
-extern rt_uint32_t rt_hw_interrupt_get_active(rt_uint32_t fiq_irq);
-void rt_hw_trap_irq()
-{
-    rt_isr_handler_t isr_func;
-    rt_uint32_t irq;
-    void *param;
-
-    /* get irq number */
-    irq = rt_hw_interrupt_get_active(0);
-
-    /* get interrupt service routine */
-    isr_func = irq_desc[irq].handler;
-    param = irq_desc[irq].param;
-
-    /* turn to interrupt service routine */
-    isr_func(irq, param);
-    rt_hw_interrupt_ack(0, irq);
-
-#ifdef RT_USING_INTERRUPT_INFO
-    irq_desc[irq].counter ++;
-#endif
-}
-void handle_m_ext_interrupt()
-{
-}
-void rt_systick_handler(void)
-{
-    clear_csr(mie, MIP_MTIP);
-
-    // Reset the timer for 3s in the future.
-    // This also clears the existing timer interrupt.
-
-    volatile uint64_t * mtime       = (uint64_t*) (CLINT_CTRL_ADDR + CLINT_MTIME);
-    volatile uint64_t * mtimecmp    = (uint64_t*) (CLINT_CTRL_ADDR + CLINT_MTIMECMP);
-    uint64_t now = *mtime;
-    uint64_t then = now + 2 * RTC_FREQ/RT_TICK_PER_SECOND;
-    *mtimecmp = then;
-    rt_tick_increase();
-
-    // read the current value of the LEDS and invert them.
-/*
-    GPIO_REG(GPIO_OUTPUT_VAL) ^= ((0x1 << RED_LED_OFFSET)   |
-		    (0x1 << GREEN_LED_OFFSET) |
-		    (0x1 << BLUE_LED_OFFSET));
-		    */
-
-    // Re-enable the timer interrupt.
-    set_csr(mie, MIP_MTIP);
-}