code -> fw

1 files changed, 0 insertions, 131 deletions

diff --git a/code/fe310/eos/timer.c b/code/fe310/eos/timer.c
deleted file mode 100644
index e07b9a6..0000000
--- a/code/fe310/eos/timer.c
+++ /dev/null
@@ -1,131 +0,0 @@
-#include <stdlib.h>
-#include <stdint.h>
-
-#include "encoding.h"
-#include "platform.h"
-
-#include "msgq.h"
-#include "event.h"
-#include "timer.h"
-
-#define MIN(X, Y)               (((X) < (Y)) ? (X) : (Y))
-#define MAX(X, Y)               (((X) > (Y)) ? (X) : (Y))
-
-static eos_timer_handler_t timer_handler[EOS_TIMER_MAX_ETYPE + 1];
-static uint64_t timer_next[EOS_TIMER_MAX_ETYPE + 1];
-
-static void timer_handle_evt(unsigned char type, unsigned char *buffer, uint16_t len) {
-    unsigned char idx = (type & ~EOS_EVT_MASK);
-
-    if (idx && (idx <= EOS_TIMER_MAX_ETYPE) && timer_handler[idx]) {
-        timer_handler[idx](type);
-    } else {
-        eos_evtq_bad_handler(type, buffer, len);
-    }
-}
-
-void _eos_timer_handle(void) {
-    int i;
-    volatile uint64_t *mtime = (uint64_t *) (CLINT_CTRL_ADDR + CLINT_MTIME);
-    uint64_t *mtimecmp = (uint64_t *) (CLINT_CTRL_ADDR + CLINT_MTIMECMP);
-    uint64_t now = *mtime;
-    uint64_t next = 0;
-
-    for (i = 0; i <= EOS_TIMER_MAX_ETYPE; i++) {
-        if (timer_next[i] && (timer_next[i] <= now)) {
-            timer_next[i] = 0;
-            if (i == 0) {
-                timer_handler[0](0);
-            } else {
-                eos_evtq_push_isr(EOS_EVT_TIMER | i, NULL, 0);
-            }
-        }
-        next = next && timer_next[i] ? MIN(next, timer_next[i]) : (next ? next : timer_next[i]);
-    }
-    *mtimecmp = next;
-    if (*mtimecmp == 0) clear_csr(mie, MIP_MTIP);
-}
-
-void eos_timer_init(void) {
-    int i;
-    uint64_t *mtimecmp = (uint64_t *) (CLINT_CTRL_ADDR + CLINT_MTIMECMP);
-
-    clear_csr(mie, MIP_MTIP);
-    *mtimecmp = 0;
-    for (i=0; i<=EOS_TIMER_MAX_ETYPE; i++) {
-        timer_next[i] = 0;
-        timer_handler[i] = NULL;
-    }
-    eos_evtq_set_handler(EOS_EVT_TIMER, timer_handle_evt);
-}
-
-void eos_timer_set_handler(unsigned char evt, eos_timer_handler_t handler) {
-    uint64_t *mtimecmp = (uint64_t *) (CLINT_CTRL_ADDR + CLINT_MTIMECMP);
-
-    if (!evt && (*mtimecmp != 0)) clear_csr(mie, MIP_MTIP);
-    timer_handler[evt] = handler;
-    if (!evt && (*mtimecmp != 0)) set_csr(mie, MIP_MTIP);
-}
-
-uint32_t eos_timer_get(unsigned char evt) {
-    volatile uint64_t *mtime = (uint64_t *) (CLINT_CTRL_ADDR + CLINT_MTIME);
-    uint64_t *mtimecmp = (uint64_t *) (CLINT_CTRL_ADDR + CLINT_MTIMECMP);
-    uint64_t now;
-    uint32_t ret;
-
-    if (*mtimecmp != 0) clear_csr(mie, MIP_MTIP);
-    now = *mtime;
-    if (timer_next[evt]) {
-        ret = (timer_next[evt] > now) ? (timer_next[evt] - now) * 1000 / EOS_TIMER_RTC_FREQ : 0;
-    } else {
-        ret = EOS_TIMER_NONE;
-    }
-    if (*mtimecmp != 0) set_csr(mie, MIP_MTIP);
-
-    return ret;
-}
-
-void eos_timer_set(uint32_t msec, unsigned char evt) {
-    int i;
-    volatile uint64_t *mtime = (uint64_t *) (CLINT_CTRL_ADDR + CLINT_MTIME);
-    uint64_t *mtimecmp = (uint64_t *) (CLINT_CTRL_ADDR + CLINT_MTIMECMP);
-    uint64_t tick = *mtime + msec * (uint64_t)EOS_TIMER_RTC_FREQ / 1000;
-    uint64_t next = 0;
-
-    if (*mtimecmp != 0) clear_csr(mie, MIP_MTIP);
-    timer_next[evt] = tick;
-    for (i = 0; i <= EOS_TIMER_MAX_ETYPE; i++) {
-        next = next && timer_next[i] ? MIN(next, timer_next[i]) : (next ? next : timer_next[i]);
-    }
-    *mtimecmp = next;
-    if (*mtimecmp != 0) set_csr(mie, MIP_MTIP);
-}
-
-void eos_timer_clear(unsigned char evt) {
-    int i;
-    uint64_t *mtimecmp = (uint64_t *) (CLINT_CTRL_ADDR + CLINT_MTIMECMP);
-    uint64_t next = 0;
-
-    if (*mtimecmp != 0) clear_csr(mie, MIP_MTIP);
-    if (timer_next[evt]) {
-        timer_next[evt] = 0;
-        for (i = 0; i <= EOS_TIMER_MAX_ETYPE; i++) {
-            next = next && timer_next[i] ? MIN(next, timer_next[i]) : (next ? next : timer_next[i]);
-        }
-        *mtimecmp = next;
-    }
-    if (*mtimecmp != 0) set_csr(mie, MIP_MTIP);
-}
-
-
-void eos_time_sleep(uint32_t msec) {
-    volatile uint64_t *mtime = (uint64_t *) (CLINT_CTRL_ADDR + CLINT_MTIME);
-    uint64_t now_ms = *mtime * 1000 / EOS_TIMER_RTC_FREQ;
-
-    while (*mtime * 1000 / EOS_TIMER_RTC_FREQ < now_ms + msec);
-}
-
-uint64_t eos_time_get_tick(void) {
-    volatile uint64_t *mtime = (uint64_t *) (CLINT_CTRL_ADDR + CLINT_MTIME);
-    return *mtime;
-}