Output more status info in zsbl for OpenPiton

openpiton/bootrom/linux/src/sd.c

@@ -23,6 +23,15 @@ int sd_copy(void *dst, uint32_t src_lba, uint32_t size)
     uint64_t * addr = (uint64_t *)raw_addr;
     volatile uint64_t * p = (uint64_t *)dst;
     for (uint32_t blk = 0; blk < size; blk++) {
+        if(blk % 100 == 0) {
+          print_uart("copying block ");
+          print_uart_dec(blk, 1);
+          print_uart(" of ");
+          print_uart_dec(size, 1);
+          print_uart(" blocks (");
+          print_uart_dec((blk*100)/size, 1);
+          print_uart(" %)\r\n");
+        }
         for (uint32_t offset = 0; offset < 64; offset++) {
             *(p++) = *(addr++);
         }

openpiton/bootrom/linux/src/uart.c

@@ -55,6 +55,24 @@ void bin_to_hex(uint8_t inp, uint8_t res[2])
     return;
 }
 
+void print_uart_dec(uint32_t val, uint32_t digits)
+{
+    int i;
+    uint32_t k = 1000000000;
+    for (i = 9; i > -1; i--)
+    {
+        uint32_t cur = val / k;
+        val -= cur * k;
+        k /= 10;
+        if(cur || (i<digits)) {
+            digits = i;
+            uint8_t dec;
+            dec = bin_to_hex_table[cur & 0xf];
+            write_serial(dec);
+        }
+    }
+}
+
 void print_uart_int(uint32_t addr)
 {
     int i;
@@ -87,4 +105,4 @@ void print_uart_byte(uint8_t byte)
     bin_to_hex(byte, hex);
     write_serial(hex[0]);
     write_serial(hex[1]);
-}
+}
\ No newline at end of file

openpiton/bootrom/linux/src/uart.h

@@ -20,6 +20,8 @@ void init_uart();
 
 void print_uart(const char* str);
 
+void print_uart_dec(uint32_t val, uint32_t digits);
+
 void print_uart_int(uint32_t addr);
 
 void print_uart_addr(uint64_t addr);