[U-Boot] [PATCH] part_mac: dcache: allocate cacheline-aligned buffers

This patch forces the correct alignment for DMA operations of buffers used by part_mac.c.
Signed-off-by: Benoît Thébaudeau benoit.thebaudeau@advansee.com Cc: Wolfgang Denk wd@denx.de --- {u-boot.orig => u-boot}/disk/part_mac.c | 68 +++++++++++++++---------------- 1 file changed, 34 insertions(+), 34 deletions(-)
diff --git u-boot.orig/disk/part_mac.c u-boot/disk/part_mac.c index c1afc8c..cb443ac 100644 --- u-boot.orig/disk/part_mac.c +++ u-boot/disk/part_mac.c @@ -60,23 +60,23 @@ static int part_mac_read_pdb (block_dev_desc_t *dev_desc, int part, mac_partitio */ int test_part_mac (block_dev_desc_t *dev_desc) { - mac_driver_desc_t ddesc; - mac_partition_t mpart; + ALLOC_CACHE_ALIGN_BUFFER(mac_driver_desc_t, ddesc, 1); + ALLOC_CACHE_ALIGN_BUFFER(mac_partition_t, mpart, 1); ulong i, n;
- if (part_mac_read_ddb (dev_desc, &ddesc)) { + if (part_mac_read_ddb (dev_desc, ddesc)) { /* error reading Driver Desriptor Block, or no valid Signature */ return (-1); }
n = 1; /* assuming at least one partition */ for (i=1; i<=n; ++i) { - if ((dev_desc->block_read(dev_desc->dev, i, 1, (ulong *)&mpart) != 1) || - (mpart.signature != MAC_PARTITION_MAGIC) ) { + if ((dev_desc->block_read(dev_desc->dev, i, 1, (ulong *)mpart) != 1) || + (mpart->signature != MAC_PARTITION_MAGIC) ) { return (-1); } /* update partition count */ - n = mpart.map_count; + n = mpart->map_count; } return (0); } @@ -85,20 +85,20 @@ int test_part_mac (block_dev_desc_t *dev_desc) void print_part_mac (block_dev_desc_t *dev_desc) { ulong i, n; - mac_driver_desc_t ddesc; - mac_partition_t mpart; + ALLOC_CACHE_ALIGN_BUFFER(mac_driver_desc_t, ddesc, 1); + ALLOC_CACHE_ALIGN_BUFFER(mac_partition_t, mpart, 1); ldiv_t mb, gb;
- if (part_mac_read_ddb (dev_desc, &ddesc)) { + if (part_mac_read_ddb (dev_desc, ddesc)) { /* error reading Driver Desriptor Block, or no valid Signature */ return; }
- n = ddesc.blk_count; + n = ddesc->blk_count;
- mb = ldiv(n, ((1024 * 1024) / ddesc.blk_size)); /* MB */ + mb = ldiv(n, ((1024 * 1024) / ddesc->blk_size)); /* MB */ /* round to 1 digit */ - mb.rem *= 10 * ddesc.blk_size; + mb.rem *= 10 * ddesc->blk_size; mb.rem += 512 * 1024; mb.rem /= 1024 * 1024;
@@ -112,10 +112,10 @@ void print_part_mac (block_dev_desc_t *dev_desc) "DeviceType=0x%x, DeviceId=0x%x\n\n" " #: type name" " length base (size)\n", - ddesc.blk_size, - ddesc.blk_count, + ddesc->blk_size, + ddesc->blk_count, mb.quot, mb.rem, gb.quot, gb.rem, - ddesc.dev_type, ddesc.dev_id + ddesc->dev_type, ddesc->dev_id );
n = 1; /* assuming at least one partition */ @@ -124,25 +124,25 @@ void print_part_mac (block_dev_desc_t *dev_desc) char c;
printf ("%4ld: ", i); - if (dev_desc->block_read (dev_desc->dev, i, 1, (ulong *)&mpart) != 1) { + if (dev_desc->block_read (dev_desc->dev, i, 1, (ulong *)mpart) != 1) { printf ("** Can't read Partition Map on %d:%ld **\n", dev_desc->dev, i); return; }
- if (mpart.signature != MAC_PARTITION_MAGIC) { + if (mpart->signature != MAC_PARTITION_MAGIC) { printf ("** Bad Signature on %d:%ld - " "expected 0x%04x, got 0x%04x\n", - dev_desc->dev, i, MAC_PARTITION_MAGIC, mpart.signature); + dev_desc->dev, i, MAC_PARTITION_MAGIC, mpart->signature); return; }
/* update partition count */ - n = mpart.map_count; + n = mpart->map_count;
c = 'k'; - bytes = mpart.block_count; - bytes /= (1024 / ddesc.blk_size); /* kB; assumes blk_size == 512 */ + bytes = mpart->block_count; + bytes /= (1024 / ddesc->blk_size); /* kB; assumes blk_size == 512 */ if (bytes >= 1024) { bytes >>= 10; c = 'M'; @@ -153,10 +153,10 @@ void print_part_mac (block_dev_desc_t *dev_desc) }
printf ("%20.32s %-18.32s %10u @ %-10u (%3ld%c)\n", - mpart.type, - mpart.name, - mpart.block_count, - mpart.start_block, + mpart->type, + mpart->name, + mpart->block_count, + mpart->start_block, bytes, c ); } @@ -231,23 +231,23 @@ static int part_mac_read_pdb (block_dev_desc_t *dev_desc, int part, mac_partitio
int get_partition_info_mac (block_dev_desc_t *dev_desc, int part, disk_partition_t *info) { - mac_driver_desc_t ddesc; - mac_partition_t mpart; + ALLOC_CACHE_ALIGN_BUFFER(mac_driver_desc_t, ddesc, 1); + ALLOC_CACHE_ALIGN_BUFFER(mac_partition_t, mpart, 1);
- if (part_mac_read_ddb (dev_desc, &ddesc)) { + if (part_mac_read_ddb (dev_desc, ddesc)) { return (-1); }
- info->blksz = ddesc.blk_size; + info->blksz = ddesc->blk_size;
- if (part_mac_read_pdb (dev_desc, part, &mpart)) { + if (part_mac_read_pdb (dev_desc, part, mpart)) { return (-1); }
- info->start = mpart.start_block; - info->size = mpart.block_count; - memcpy (info->type, mpart.type, sizeof(info->type)); - memcpy (info->name, mpart.name, sizeof(info->name)); + info->start = mpart->start_block; + info->size = mpart->block_count; + memcpy (info->type, mpart->type, sizeof(info->type)); + memcpy (info->name, mpart->name, sizeof(info->name));
return (0); }

On Fri, Jul 13, 2012 at 09:31:03 PM, Benoît Thébaudeau wrote:
This patch forces the correct alignment for DMA operations of buffers used by part_mac.c.
Signed-off-by: Benoît Thébaudeau benoit.thebaudeau@advansee.com Cc: Wolfgang Denk wd@denx.de
{u-boot.orig => u-boot}/disk/part_mac.c | 68 +++++++++++++++---------------- 1 file changed, 34 insertions(+), 34 deletions(-)
diff --git u-boot.orig/disk/part_mac.c u-boot/disk/part_mac.c index c1afc8c..cb443ac 100644 --- u-boot.orig/disk/part_mac.c +++ u-boot/disk/part_mac.c @@ -60,23 +60,23 @@ static int part_mac_read_pdb (block_dev_desc_t *dev_desc, int part, mac_partitio */ int test_part_mac (block_dev_desc_t *dev_desc) {
- mac_driver_desc_t ddesc;
- mac_partition_t mpart;
- ALLOC_CACHE_ALIGN_BUFFER(mac_driver_desc_t, ddesc, 1);
- ALLOC_CACHE_ALIGN_BUFFER(mac_partition_t, mpart, 1); ulong i, n;
- if (part_mac_read_ddb (dev_desc, &ddesc)) {
if (part_mac_read_ddb (dev_desc, ddesc)) { /* error reading Driver Desriptor Block, or no valid Signature */ return (-1); }
n = 1; /* assuming at least one partition */ for (i=1; i<=n; ++i) {
if ((dev_desc->block_read(dev_desc->dev, i, 1, (ulong *)&mpart) !=
- ||
(mpart.signature != MAC_PARTITION_MAGIC) ) {
if ((dev_desc->block_read(dev_desc->dev, i, 1, (ulong *)mpart) !=
- ||
} /* update partition count */(mpart->signature != MAC_PARTITION_MAGIC) ) { return (-1);
n = mpart.map_count;
} return (0);n = mpart->map_count;
} @@ -85,20 +85,20 @@ int test_part_mac (block_dev_desc_t *dev_desc) void print_part_mac (block_dev_desc_t *dev_desc) { ulong i, n;
- mac_driver_desc_t ddesc;
- mac_partition_t mpart;
- ALLOC_CACHE_ALIGN_BUFFER(mac_driver_desc_t, ddesc, 1);
- ALLOC_CACHE_ALIGN_BUFFER(mac_partition_t, mpart, 1); ldiv_t mb, gb;
- if (part_mac_read_ddb (dev_desc, &ddesc)) {
- if (part_mac_read_ddb (dev_desc, ddesc)) { /* error reading Driver Desriptor Block, or no valid Signature */ return; }
- n = ddesc.blk_count;
- n = ddesc->blk_count;
- mb = ldiv(n, ((1024 * 1024) / ddesc.blk_size)); /* MB */
- mb = ldiv(n, ((1024 * 1024) / ddesc->blk_size)); /* MB */ /* round to 1 digit */
- mb.rem *= 10 * ddesc.blk_size;
- mb.rem *= 10 * ddesc->blk_size; mb.rem += 512 * 1024; mb.rem /= 1024 * 1024;
@@ -112,10 +112,10 @@ void print_part_mac (block_dev_desc_t *dev_desc) "DeviceType=0x%x, DeviceId=0x%x\n\n" " #: type name" " length base (size)\n",
ddesc.blk_size,
ddesc.blk_count,
ddesc->blk_size,
mb.quot, mb.rem, gb.quot, gb.rem,ddesc->blk_count,
ddesc.dev_type, ddesc.dev_id
ddesc->dev_type, ddesc->dev_id
);
n = 1; /* assuming at least one partition */
@@ -124,25 +124,25 @@ void print_part_mac (block_dev_desc_t *dev_desc) char c;
printf ("%4ld: ", i);
if (dev_desc->block_read (dev_desc->dev, i, 1, (ulong *)&mpart) !=
- {
if (dev_desc->block_read (dev_desc->dev, i, 1, (ulong *)mpart) !=
- { printf ("** Can't read Partition Map on %d:%ld **\n", dev_desc->dev, i); return; }
if (mpart.signature != MAC_PARTITION_MAGIC) {
if (mpart->signature != MAC_PARTITION_MAGIC) { printf ("** Bad Signature on %d:%ld - " "expected 0x%04x, got 0x%04x\n",
dev_desc->dev, i, MAC_PARTITION_MAGIC, mpart.signature);
dev_desc->dev, i, MAC_PARTITION_MAGIC, mpart->signature); return;
}
/* update partition count */
n = mpart.map_count;
n = mpart->map_count;
c = 'k';
bytes = mpart.block_count;
bytes /= (1024 / ddesc.blk_size); /* kB; assumes blk_size == 512
*/
bytes = mpart->block_count;
bytes /= (1024 / ddesc->blk_size); /* kB; assumes blk_size == 512
*/ if (bytes >= 1024) { bytes >>= 10; c = 'M'; @@ -153,10 +153,10 @@ void print_part_mac (block_dev_desc_t *dev_desc) }
printf ("%20.32s %-18.32s %10u @ %-10u (%3ld%c)\n",
mpart.type,
mpart.name,
mpart.block_count,
mpart.start_block,
mpart->type,
mpart->name,
mpart->block_count,
}mpart->start_block, bytes, c );
@@ -231,23 +231,23 @@ static int part_mac_read_pdb (block_dev_desc_t *dev_desc, int part, mac_partitio
int get_partition_info_mac (block_dev_desc_t *dev_desc, int part, disk_partition_t *info) {
- mac_driver_desc_t ddesc;
- mac_partition_t mpart;
- ALLOC_CACHE_ALIGN_BUFFER(mac_driver_desc_t, ddesc, 1);
- ALLOC_CACHE_ALIGN_BUFFER(mac_partition_t, mpart, 1);
- if (part_mac_read_ddb (dev_desc, &ddesc)) {
- if (part_mac_read_ddb (dev_desc, ddesc)) { return (-1); }
- info->blksz = ddesc.blk_size;
- info->blksz = ddesc->blk_size;
- if (part_mac_read_pdb (dev_desc, part, &mpart)) {
- if (part_mac_read_pdb (dev_desc, part, mpart)) { return (-1); }
- info->start = mpart.start_block;
- info->size = mpart.block_count;
- memcpy (info->type, mpart.type, sizeof(info->type));
- memcpy (info->name, mpart.name, sizeof(info->name));
info->start = mpart->start_block;
info->size = mpart->block_count;
memcpy (info->type, mpart->type, sizeof(info->type));
memcpy (info->name, mpart->name, sizeof(info->name));
return (0);
}
Ping?
Benoît

On Sat, Aug 4, 2012 at 01:05:03 AM, Benoît Thébaudeau wrote:
On Fri, Jul 13, 2012 at 09:31:03 PM, Benoît Thébaudeau wrote:
This patch forces the correct alignment for DMA operations of buffers used by part_mac.c.
Signed-off-by: Benoît Thébaudeau benoit.thebaudeau@advansee.com Cc: Wolfgang Denk wd@denx.de
{u-boot.orig => u-boot}/disk/part_mac.c | 68 +++++++++++++++---------------- 1 file changed, 34 insertions(+), 34 deletions(-)
diff --git u-boot.orig/disk/part_mac.c u-boot/disk/part_mac.c index c1afc8c..cb443ac 100644 --- u-boot.orig/disk/part_mac.c +++ u-boot/disk/part_mac.c @@ -60,23 +60,23 @@ static int part_mac_read_pdb (block_dev_desc_t *dev_desc, int part, mac_partitio */ int test_part_mac (block_dev_desc_t *dev_desc) {
- mac_driver_desc_t ddesc;
- mac_partition_t mpart;
- ALLOC_CACHE_ALIGN_BUFFER(mac_driver_desc_t, ddesc, 1);
- ALLOC_CACHE_ALIGN_BUFFER(mac_partition_t, mpart, 1); ulong i, n;
- if (part_mac_read_ddb (dev_desc, &ddesc)) {
if (part_mac_read_ddb (dev_desc, ddesc)) { /* error reading Driver Desriptor Block, or no valid Signature */ return (-1); }
n = 1; /* assuming at least one partition */ for (i=1; i<=n; ++i) {
if ((dev_desc->block_read(dev_desc->dev, i, 1, (ulong *)&mpart)
!=
- ||
(mpart.signature != MAC_PARTITION_MAGIC) ) {
if ((dev_desc->block_read(dev_desc->dev, i, 1, (ulong *)mpart)
!=
- ||
} /* update partition count */(mpart->signature != MAC_PARTITION_MAGIC) ) { return (-1);
n = mpart.map_count;
} return (0);n = mpart->map_count;
} @@ -85,20 +85,20 @@ int test_part_mac (block_dev_desc_t *dev_desc) void print_part_mac (block_dev_desc_t *dev_desc) { ulong i, n;
- mac_driver_desc_t ddesc;
- mac_partition_t mpart;
- ALLOC_CACHE_ALIGN_BUFFER(mac_driver_desc_t, ddesc, 1);
- ALLOC_CACHE_ALIGN_BUFFER(mac_partition_t, mpart, 1); ldiv_t mb, gb;
- if (part_mac_read_ddb (dev_desc, &ddesc)) {
- if (part_mac_read_ddb (dev_desc, ddesc)) { /* error reading Driver Desriptor Block, or no valid Signature */ return; }
- n = ddesc.blk_count;
- n = ddesc->blk_count;
- mb = ldiv(n, ((1024 * 1024) / ddesc.blk_size)); /* MB */
- mb = ldiv(n, ((1024 * 1024) / ddesc->blk_size)); /* MB */ /* round to 1 digit */
- mb.rem *= 10 * ddesc.blk_size;
- mb.rem *= 10 * ddesc->blk_size; mb.rem += 512 * 1024; mb.rem /= 1024 * 1024;
@@ -112,10 +112,10 @@ void print_part_mac (block_dev_desc_t *dev_desc) "DeviceType=0x%x, DeviceId=0x%x\n\n" " #: type name" " length base (size)\n",
ddesc.blk_size,
ddesc.blk_count,
ddesc->blk_size,
mb.quot, mb.rem, gb.quot, gb.rem,ddesc->blk_count,
ddesc.dev_type, ddesc.dev_id
ddesc->dev_type, ddesc->dev_id
);
n = 1; /* assuming at least one partition */
@@ -124,25 +124,25 @@ void print_part_mac (block_dev_desc_t *dev_desc) char c;
printf ("%4ld: ", i);
if (dev_desc->block_read (dev_desc->dev, i, 1, (ulong *)&mpart)
!=
- {
if (dev_desc->block_read (dev_desc->dev, i, 1, (ulong *)mpart)
!=
- { printf ("** Can't read Partition Map on %d:%ld **\n", dev_desc->dev, i); return; }
if (mpart.signature != MAC_PARTITION_MAGIC) {
if (mpart->signature != MAC_PARTITION_MAGIC) { printf ("** Bad Signature on %d:%ld - " "expected 0x%04x, got 0x%04x\n",
dev_desc->dev, i, MAC_PARTITION_MAGIC, mpart.signature);
dev_desc->dev, i, MAC_PARTITION_MAGIC, mpart->signature); return;
}
/* update partition count */
n = mpart.map_count;
n = mpart->map_count;
c = 'k';
bytes = mpart.block_count;
bytes /= (1024 / ddesc.blk_size); /* kB; assumes blk_size ==
512 */
bytes = mpart->block_count;
bytes /= (1024 / ddesc->blk_size); /* kB; assumes blk_size ==
512 */ if (bytes >= 1024) { bytes >>= 10; c = 'M'; @@ -153,10 +153,10 @@ void print_part_mac (block_dev_desc_t *dev_desc) }
printf ("%20.32s %-18.32s %10u @ %-10u (%3ld%c)\n",
mpart.type,
mpart.name,
mpart.block_count,
mpart.start_block,
mpart->type,
mpart->name,
mpart->block_count,
}mpart->start_block, bytes, c );
@@ -231,23 +231,23 @@ static int part_mac_read_pdb (block_dev_desc_t *dev_desc, int part, mac_partitio
int get_partition_info_mac (block_dev_desc_t *dev_desc, int part, disk_partition_t *info) {
- mac_driver_desc_t ddesc;
- mac_partition_t mpart;
- ALLOC_CACHE_ALIGN_BUFFER(mac_driver_desc_t, ddesc, 1);
- ALLOC_CACHE_ALIGN_BUFFER(mac_partition_t, mpart, 1);
- if (part_mac_read_ddb (dev_desc, &ddesc)) {
- if (part_mac_read_ddb (dev_desc, ddesc)) { return (-1); }
- info->blksz = ddesc.blk_size;
- info->blksz = ddesc->blk_size;
- if (part_mac_read_pdb (dev_desc, part, &mpart)) {
- if (part_mac_read_pdb (dev_desc, part, mpart)) { return (-1); }
- info->start = mpart.start_block;
- info->size = mpart.block_count;
- memcpy (info->type, mpart.type, sizeof(info->type));
- memcpy (info->name, mpart.name, sizeof(info->name));
info->start = mpart->start_block;
info->size = mpart->block_count;
memcpy (info->type, mpart->type, sizeof(info->type));
memcpy (info->name, mpart->name, sizeof(info->name));
return (0);
}
Ping?
Can someone answer, please?
Best regards, Benoît

Dear Benoît Thébaudeau,
In message 1167777613.1339389.1342207863387.JavaMail.root@advansee.com you wrote:
This patch forces the correct alignment for DMA operations of buffers used = by part_mac.c.
Signed-off-by: Benoît Thébaudeau benoit.thebaudeau@advansee.com Cc: Wolfgang Denk wd@denx.de
{u-boot.orig => u-boot}/disk/part_mac.c | 68 +++++++++++++++----------> ------ 1 file changed, 34 insertions(+), 34 deletions(-)
Applied, thanks.
Best regards,
Wolfgang Denk
participants (2)
-
Benoît Thébaudeau
-
Wolfgang Denk