gcc/testsuite/gcc.target/avr/pr60040-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3
   4 typedef unsigned char __uint8_t;
   5 typedef short unsigned int __uint16_t;
   6 typedef long unsigned int __uint32_t;
   7 typedef __uint8_t uint8_t ;
   8 typedef __uint16_t uint16_t ;
   9 typedef __uint32_t uint32_t ;
  10 typedef __builtin_va_list __gnuc_va_list;
  11 typedef __gnuc_va_list va_list;
  12 typedef enum rtems_blkdev_request_op {
  13   RTEMS_BLKDEV_REQ_READ,
  14 } rtems_fdisk_segment_desc;
  15 typedef struct rtems_fdisk_driver_handlers
  16 {
  17   int (*blank) (const rtems_fdisk_segment_desc* sd,
  18                 uint32_t device,
  19                 uint32_t segment,
  20                 uint32_t offset,
  21                 uint32_t size);
  22 } rtems_fdisk_driver_handlers;
  23 typedef struct rtems_fdisk_page_desc
  24 {
  25   uint16_t flags;
  26   uint32_t block;
  27 } rtems_fdisk_page_desc;
  28 typedef struct rtems_fdisk_segment_ctl
  29 {
  30   rtems_fdisk_page_desc* page_descriptors;
  31   uint32_t pages_active;
  32 } rtems_fdisk_segment_ctl;
  33 typedef struct rtems_fdisk_segment_ctl_queue
  34 {
  35 } rtems_fdisk_segment_ctl_queue;
  36 typedef struct rtems_fdisk_device_ctl
  37 {
  38   uint32_t flags;
  39   uint8_t* copy_buffer;
  40 } rtems_flashdisk;
  41
  42 extern void rtems_fdisk_error (const char *, ...);
  43 extern int rtems_fdisk_seg_write(const rtems_flashdisk*,
  44                                  rtems_fdisk_segment_ctl*,
  45                                  uint32_t,
  46                                  const rtems_fdisk_page_desc* page_desc,
  47                                  uint32_t);
  48
  49 void rtems_fdisk_printf (const rtems_flashdisk* fd, const char *format, ...)
  50 {
  51   {
  52     va_list args;
  53     __builtin_va_start(args,format);
  54   }
  55 }
  56 static int
  57 rtems_fdisk_seg_blank_check (const rtems_flashdisk* fd,
  58                              rtems_fdisk_segment_ctl* sc,
  59                              uint32_t offset,
  60                              uint32_t size)
  61 {
  62   uint32_t device;
  63   uint32_t segment;
  64   const rtems_fdisk_segment_desc* sd;
  65   const rtems_fdisk_driver_handlers* ops;
  66   return ops->blank (sd, device, segment, offset, size);
  67 }
  68 static int
  69 rtems_fdisk_seg_write_page_desc (const rtems_flashdisk* fd,
  70                                  rtems_fdisk_segment_ctl* sc,
  71                                  uint32_t page,
  72                                  const rtems_fdisk_page_desc* page_desc)
  73 {
  74   uint32_t offset = page * sizeof (rtems_fdisk_page_desc);
  75   if ((fd->flags & (1 << 3)))
  76   {
  77     int ret = rtems_fdisk_seg_blank_check (fd, sc,
  78                                            offset,
  79                                            sizeof (rtems_fdisk_page_desc));
  80   }
  81   return rtems_fdisk_seg_write (fd, sc, offset,
  82                                 page_desc, sizeof (rtems_fdisk_page_desc));
  83 }
  84 void
  85 rtems_fdisk_recycle_segment (rtems_flashdisk* fd,
  86                                     rtems_fdisk_segment_ctl* ssc,
  87                                     rtems_fdisk_segment_ctl* dsc,
  88                                     uint32_t *pages)
  89 {
  90   int ret;
  91   uint32_t spage;
  92   uint32_t used = 0;
  93   uint32_t active = 0;
  94   {
  95     rtems_fdisk_page_desc* spd = &ssc->page_descriptors[spage];
  96     {
  97       rtems_fdisk_page_desc* dpd;
  98       uint32_t dpage;
  99       dpd = &dsc->page_descriptors[dpage];
 100       *dpd = *spd;
 101       ret = rtems_fdisk_seg_write_page_desc (fd,
 102                                              dsc,
 103                                              dpage, dpd);
 104     }
 105   }
 106   rtems_fdisk_printf (fd, "ssc end: %d-%d: p=%ld, a=%ld, u=%ld",
 107                       pages, active, used);
 108   {
 109     rtems_fdisk_error ("compacting: ssc pages not 0: %d",
 110                        ssc->pages_active);
 111   }
 112 }