[rt-smart] move sys_cacheflush to lwp_syscall.c (#7048)

* [syscall] move sys_cacheflush to lwp_syscall.c

* [syscall] improve assertion

* [format] rename to rt_ctassert

* [debug] modified ct assertion on mm_page.c

2 files changed, 30 insertions, 19 deletions

diff --git a/components/lwp/lwp_syscall.c b/components/lwp/lwp_syscall.c
index 9c42ccf0fd..9c06d84f4c 100644
--- a/components/lwp/lwp_syscall.c
+++ b/components/lwp/lwp_syscall.c
@@ -1237,6 +1237,9 @@ struct ksigevent
     int sigev_tid;
 };
 
+/* to protect unsafe implementation in current rt-smart toolchain */
+RT_CTASSERT(sigevent_compatible, offsetof(struct ksigevent, sigev_tid) == offsetof(struct sigevent, sigev_notify_function));
+
 rt_err_t sys_timer_create(clockid_t clockid, struct sigevent *restrict sevp, timer_t *restrict timerid)
 {
     int ret = 0;
@@ -1264,17 +1267,11 @@ rt_err_t sys_timer_create(clockid_t clockid, struct sigevent *restrict sevp, tim
         }
     }
 
-    /* to protect unsafe implementation in current rt-smart toolchain */
-    RT_ASSERT(((struct ksigevent *)sevp)->sigev_tid == *(int *)(&sevp_k.sigev_notify_function));
-
     ret = _SYS_WRAP(timer_create(clockid, &sevp_k, &timerid_k));
 
-    /* ID should not extend 32-bits size for libc */
-    RT_ASSERT((rt_ubase_t)timerid_k < UINT32_MAX);
-    utimer = (rt_ubase_t)timerid_k;
-
     if (ret != -RT_ERROR)
     {
+        utimer = (rt_ubase_t)timerid_k;
         if (!lwp_put_to_user(sevp, (void *)&sevp_k, sizeof(struct ksigevent)) ||
             !lwp_put_to_user(timerid, (void *)&utimer, sizeof(utimer)))
             ret = -EINVAL;
@@ -4546,6 +4543,29 @@ sysret_t sys_mq_close(mqd_t mqd)
     return (ret < 0 ? GET_ERRNO() : ret);
 }
 
+#define ICACHE (1<<0)
+#define DCACHE (1<<1)
+#define BCACHE (ICACHE|DCACHE)
+
+rt_weak sysret_t sys_cacheflush(void *addr, int size, int cache)
+{
+    if (addr < addr + size &&
+        (size_t)addr >= USER_VADDR_START &&
+        (size_t)addr + size < USER_VADDR_TOP)
+    {
+        if ((cache & DCACHE))
+        {
+            rt_hw_cpu_dcache_clean_and_invalidate(addr, size);
+        }
+        if ((cache & ICACHE))
+        {
+            rt_hw_cpu_icache_invalidate(addr, size);
+        }
+        return 0;
+    }
+    return -EFAULT;
+}
+
 const static struct rt_syscall_def func_table[] =
 {
     SYSCALL_SIGN(sys_exit),            /* 01 */
diff --git a/components/mm/mm_page.c b/components/mm/mm_page.c
index a53b62aba7..03ab5327b6 100644
--- a/components/mm/mm_page.c
+++ b/components/mm/mm_page.c
@@ -26,20 +26,11 @@
 #define DBG_LVL DBG_WARNING
 #include <rtdbg.h>
 
+RT_CTASSERT(order_huge_pg, RT_PAGE_MAX_ORDER > ARCH_PAGE_SHIFT - 2);
+RT_CTASSERT(size_width, sizeof(rt_size_t) == sizeof(void *));
+
 #ifdef RT_USING_SMART
 #include "lwp_arch_comm.h"
-
-#define CT_ASSERT(name, x)                                                     \
-    struct assert_##name                                                       \
-    {                                                                          \
-        char ary[2 * (x)-1];                                                   \
-    }
-#ifdef ARCH_CPU_64BIT
-CT_ASSERT(order_huge_pg, RT_PAGE_MAX_ORDER > ARCH_PAGE_SHIFT - 2);
-#else
-CT_ASSERT(size_width, sizeof(rt_size_t) == sizeof(rt_size_t));
-#endif /* ARCH_CPU_64BIT */
-
 #endif /* RT_USING_SMART */
 
 static rt_size_t init_mpr_align_start;