* [PATCH 0/2] net: xilinx: axi_emac: Add 64bit support
@ 2020-09-14 9:34 Michal Simek
2020-09-14 9:34 ` [PATCH 1/2] net: xilinx: axi_emac: Fix dma descriptors for 64bit and compilation warnings Michal Simek
` (3 more replies)
0 siblings, 4 replies; 7+ messages in thread
From: Michal Simek @ 2020-09-14 9:34 UTC (permalink / raw)
To: u-boot
Hi,
these two patches are extending axi emac driver to support 64bit systems.
Thanks,
Michal
Ashok Reddy Soma (2):
net: xilinx: axi_emac: Fix dma descriptors for 64bit and compilation
warnings
net: xilinx: axi_emac: Typecast flush_cache arguments
drivers/net/xilinx_axi_emac.c | 48 ++++++++++++++++++++++-------------
1 file changed, 30 insertions(+), 18 deletions(-)
--
2.28.0
^ permalink raw reply [flat|nested] 7+ messages in thread
* [PATCH 1/2] net: xilinx: axi_emac: Fix dma descriptors for 64bit and compilation warnings
2020-09-14 9:34 [PATCH 0/2] net: xilinx: axi_emac: Add 64bit support Michal Simek
@ 2020-09-14 9:34 ` Michal Simek
2020-09-14 14:07 ` Ramon Fried
2020-09-14 9:34 ` [PATCH 2/2] net: xilinx: axi_emac: Typecast flush_cache arguments Michal Simek
` (2 subsequent siblings)
3 siblings, 1 reply; 7+ messages in thread
From: Michal Simek @ 2020-09-14 9:34 UTC (permalink / raw)
To: u-boot
From: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
There are compilation warnings showing up when we compile AXI ethernet
driver for 64bit architectures. Fix them, so that it works on both 32
and 64 bit architectures.
DMA descriptors are not taking care of 64bit addresses. To fix it,
change axidma_bd members as below:
next ==> next_desc
reserverd1 ==> next_desc_msb
phys ==> buf_addr
reserverd2 ==> buf_addr_msb
and update next_desc and buf_addr with lower 32 bits of the addresses,
update next_desc_msb and buf_addr_msb with upper 32 bits of the 64bit
addresses.
Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---
drivers/net/xilinx_axi_emac.c | 36 +++++++++++++++++++++++------------
1 file changed, 24 insertions(+), 12 deletions(-)
diff --git a/drivers/net/xilinx_axi_emac.c b/drivers/net/xilinx_axi_emac.c
index 99d4d85c5270..c56c4d0d83e4 100644
--- a/drivers/net/xilinx_axi_emac.c
+++ b/drivers/net/xilinx_axi_emac.c
@@ -101,10 +101,10 @@ struct axidma_priv {
/* BD descriptors */
struct axidma_bd {
- u32 next; /* Next descriptor pointer */
- u32 reserved1;
- u32 phys; /* Buffer address */
- u32 reserved2;
+ u32 next_desc; /* Next descriptor pointer */
+ u32 next_desc_msb;
+ u32 buf_addr; /* Buffer address */
+ u32 buf_addr_msb;
u32 reserved3;
u32 reserved4;
u32 cntrl; /* Control */
@@ -182,7 +182,7 @@ static inline int mdio_wait(struct axi_regs *regs)
static inline void axienet_dma_write(struct axidma_bd *bd, u32 *desc)
{
#if defined(CONFIG_PHYS_64BIT)
- writeq(bd, desc);
+ writeq((unsigned long)bd, desc);
#else
writel((u32)bd, desc);
#endif
@@ -492,8 +492,12 @@ static int axiemac_start(struct udevice *dev)
/* Setup the BD. */
memset(&rx_bd, 0, sizeof(rx_bd));
- rx_bd.next = (u32)&rx_bd;
- rx_bd.phys = (u32)&rxframe;
+ rx_bd.next_desc = lower_32_bits((unsigned long)&rx_bd);
+ rx_bd.buf_addr = lower_32_bits((unsigned long)&rxframe);
+#if defined(CONFIG_PHYS_64BIT)
+ rx_bd.next_desc_msb = upper_32_bits((unsigned long)&rx_bd);
+ rx_bd.buf_addr_msb = upper_32_bits((unsigned long)&rxframe);
+#endif
rx_bd.cntrl = sizeof(rxframe);
/* Flush the last BD so DMA core could see the updates */
flush_cache((u32)&rx_bd, sizeof(rx_bd));
@@ -539,8 +543,12 @@ static int axiemac_send(struct udevice *dev, void *ptr, int len)
/* Setup Tx BD */
memset(&tx_bd, 0, sizeof(tx_bd));
/* At the end of the ring, link the last BD back to the top */
- tx_bd.next = (u32)&tx_bd;
- tx_bd.phys = (u32)ptr;
+ tx_bd.next_desc = lower_32_bits((unsigned long)&tx_bd);
+ tx_bd.buf_addr = lower_32_bits((unsigned long)ptr);
+#if defined(CONFIG_PHYS_64BIT)
+ tx_bd.next_desc_msb = upper_32_bits((unsigned long)&tx_bd);
+ tx_bd.buf_addr_msb = upper_32_bits((unsigned long)ptr);
+#endif
/* Save len */
tx_bd.cntrl = len | XAXIDMA_BD_CTRL_TXSOF_MASK |
XAXIDMA_BD_CTRL_TXEOF_MASK;
@@ -637,8 +645,12 @@ static int axiemac_free_pkt(struct udevice *dev, uchar *packet, int length)
/* Setup RxBD */
/* Clear the whole buffer and setup it again - all flags are cleared */
memset(&rx_bd, 0, sizeof(rx_bd));
- rx_bd.next = (u32)&rx_bd;
- rx_bd.phys = (u32)&rxframe;
+ rx_bd.next_desc = lower_32_bits((unsigned long)&rx_bd);
+ rx_bd.buf_addr = lower_32_bits((unsigned long)&rxframe);
+#if defined(CONFIG_PHYS_64BIT)
+ rx_bd.next_desc_msb = upper_32_bits((unsigned long)&rx_bd);
+ rx_bd.buf_addr_msb = upper_32_bits((unsigned long)&rxframe);
+#endif
rx_bd.cntrl = sizeof(rxframe);
/* Write bd to HW */
@@ -738,7 +750,7 @@ static int axi_emac_ofdata_to_platdata(struct udevice *dev)
return -EINVAL;
}
/* RX channel offset is 0x30 */
- priv->dmarx = (struct axidma_reg *)((u32)priv->dmatx + 0x30);
+ priv->dmarx = (struct axidma_reg *)((phys_addr_t)priv->dmatx + 0x30);
priv->phyaddr = -1;
--
2.28.0
^ permalink raw reply related [flat|nested] 7+ messages in thread
* [PATCH 2/2] net: xilinx: axi_emac: Typecast flush_cache arguments
2020-09-14 9:34 [PATCH 0/2] net: xilinx: axi_emac: Add 64bit support Michal Simek
2020-09-14 9:34 ` [PATCH 1/2] net: xilinx: axi_emac: Fix dma descriptors for 64bit and compilation warnings Michal Simek
@ 2020-09-14 9:34 ` Michal Simek
2020-09-14 14:07 ` Ramon Fried
2020-09-14 14:07 ` [PATCH 0/2] net: xilinx: axi_emac: Add 64bit support Ramon Fried
2020-09-23 12:08 ` Michal Simek
3 siblings, 1 reply; 7+ messages in thread
From: Michal Simek @ 2020-09-14 9:34 UTC (permalink / raw)
To: u-boot
From: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
flush_cache() arguments are not type casted to take care of 64 bit
systems. Use phys_addr_t to type cast for it to work properly for 32 bit
and 64 bit systems.
Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---
drivers/net/xilinx_axi_emac.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/net/xilinx_axi_emac.c b/drivers/net/xilinx_axi_emac.c
index c56c4d0d83e4..8af371120462 100644
--- a/drivers/net/xilinx_axi_emac.c
+++ b/drivers/net/xilinx_axi_emac.c
@@ -500,11 +500,11 @@ static int axiemac_start(struct udevice *dev)
#endif
rx_bd.cntrl = sizeof(rxframe);
/* Flush the last BD so DMA core could see the updates */
- flush_cache((u32)&rx_bd, sizeof(rx_bd));
+ flush_cache((phys_addr_t)&rx_bd, sizeof(rx_bd));
/* It is necessary to flush rxframe because if you don't do it
* then cache can contain uninitialized data */
- flush_cache((u32)&rxframe, sizeof(rxframe));
+ flush_cache((phys_addr_t)&rxframe, sizeof(rxframe));
/* Start the hardware */
temp = readl(&priv->dmarx->control);
@@ -538,7 +538,7 @@ static int axiemac_send(struct udevice *dev, void *ptr, int len)
len = PKTSIZE_ALIGN;
/* Flush packet to main memory to be trasfered by DMA */
- flush_cache((u32)ptr, len);
+ flush_cache((phys_addr_t)ptr, len);
/* Setup Tx BD */
memset(&tx_bd, 0, sizeof(tx_bd));
@@ -554,7 +554,7 @@ static int axiemac_send(struct udevice *dev, void *ptr, int len)
XAXIDMA_BD_CTRL_TXEOF_MASK;
/* Flush the last BD so DMA core could see the updates */
- flush_cache((u32)&tx_bd, sizeof(tx_bd));
+ flush_cache((phys_addr_t)&tx_bd, sizeof(tx_bd));
if (readl(&priv->dmatx->status) & XAXIDMA_HALTED_MASK) {
u32 temp;
@@ -654,11 +654,11 @@ static int axiemac_free_pkt(struct udevice *dev, uchar *packet, int length)
rx_bd.cntrl = sizeof(rxframe);
/* Write bd to HW */
- flush_cache((u32)&rx_bd, sizeof(rx_bd));
+ flush_cache((phys_addr_t)&rx_bd, sizeof(rx_bd));
/* It is necessary to flush rxframe because if you don't do it
* then cache will contain previous packet */
- flush_cache((u32)&rxframe, sizeof(rxframe));
+ flush_cache((phys_addr_t)&rxframe, sizeof(rxframe));
/* Rx BD is ready - start again */
axienet_dma_write(&rx_bd, &priv->dmarx->tail);
--
2.28.0
^ permalink raw reply related [flat|nested] 7+ messages in thread
* [PATCH 0/2] net: xilinx: axi_emac: Add 64bit support
2020-09-14 9:34 [PATCH 0/2] net: xilinx: axi_emac: Add 64bit support Michal Simek
2020-09-14 9:34 ` [PATCH 1/2] net: xilinx: axi_emac: Fix dma descriptors for 64bit and compilation warnings Michal Simek
2020-09-14 9:34 ` [PATCH 2/2] net: xilinx: axi_emac: Typecast flush_cache arguments Michal Simek
@ 2020-09-14 14:07 ` Ramon Fried
2020-09-23 12:08 ` Michal Simek
3 siblings, 0 replies; 7+ messages in thread
From: Ramon Fried @ 2020-09-14 14:07 UTC (permalink / raw)
To: u-boot
On Mon, Sep 14, 2020 at 12:34 PM Michal Simek <michal.simek@xilinx.com> wrote:
>
> Hi,
>
> these two patches are extending axi emac driver to support 64bit systems.
>
> Thanks,
> Michal
>
>
> Ashok Reddy Soma (2):
> net: xilinx: axi_emac: Fix dma descriptors for 64bit and compilation
> warnings
> net: xilinx: axi_emac: Typecast flush_cache arguments
>
> drivers/net/xilinx_axi_emac.c | 48 ++++++++++++++++++++++-------------
> 1 file changed, 30 insertions(+), 18 deletions(-)
>
> --
> 2.28.0
>
Reviewed-By: Ramon Fried <rfried.dev@gmail.com>
^ permalink raw reply [flat|nested] 7+ messages in thread
* [PATCH 2/2] net: xilinx: axi_emac: Typecast flush_cache arguments
2020-09-14 9:34 ` [PATCH 2/2] net: xilinx: axi_emac: Typecast flush_cache arguments Michal Simek
@ 2020-09-14 14:07 ` Ramon Fried
0 siblings, 0 replies; 7+ messages in thread
From: Ramon Fried @ 2020-09-14 14:07 UTC (permalink / raw)
To: u-boot
On Mon, Sep 14, 2020 at 12:35 PM Michal Simek <michal.simek@xilinx.com> wrote:
>
> From: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
>
> flush_cache() arguments are not type casted to take care of 64 bit
> systems. Use phys_addr_t to type cast for it to work properly for 32 bit
> and 64 bit systems.
>
> Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
> ---
>
> drivers/net/xilinx_axi_emac.c | 12 ++++++------
> 1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/net/xilinx_axi_emac.c b/drivers/net/xilinx_axi_emac.c
> index c56c4d0d83e4..8af371120462 100644
> --- a/drivers/net/xilinx_axi_emac.c
> +++ b/drivers/net/xilinx_axi_emac.c
> @@ -500,11 +500,11 @@ static int axiemac_start(struct udevice *dev)
> #endif
> rx_bd.cntrl = sizeof(rxframe);
> /* Flush the last BD so DMA core could see the updates */
> - flush_cache((u32)&rx_bd, sizeof(rx_bd));
> + flush_cache((phys_addr_t)&rx_bd, sizeof(rx_bd));
>
> /* It is necessary to flush rxframe because if you don't do it
> * then cache can contain uninitialized data */
> - flush_cache((u32)&rxframe, sizeof(rxframe));
> + flush_cache((phys_addr_t)&rxframe, sizeof(rxframe));
>
> /* Start the hardware */
> temp = readl(&priv->dmarx->control);
> @@ -538,7 +538,7 @@ static int axiemac_send(struct udevice *dev, void *ptr, int len)
> len = PKTSIZE_ALIGN;
>
> /* Flush packet to main memory to be trasfered by DMA */
> - flush_cache((u32)ptr, len);
> + flush_cache((phys_addr_t)ptr, len);
>
> /* Setup Tx BD */
> memset(&tx_bd, 0, sizeof(tx_bd));
> @@ -554,7 +554,7 @@ static int axiemac_send(struct udevice *dev, void *ptr, int len)
> XAXIDMA_BD_CTRL_TXEOF_MASK;
>
> /* Flush the last BD so DMA core could see the updates */
> - flush_cache((u32)&tx_bd, sizeof(tx_bd));
> + flush_cache((phys_addr_t)&tx_bd, sizeof(tx_bd));
>
> if (readl(&priv->dmatx->status) & XAXIDMA_HALTED_MASK) {
> u32 temp;
> @@ -654,11 +654,11 @@ static int axiemac_free_pkt(struct udevice *dev, uchar *packet, int length)
> rx_bd.cntrl = sizeof(rxframe);
>
> /* Write bd to HW */
> - flush_cache((u32)&rx_bd, sizeof(rx_bd));
> + flush_cache((phys_addr_t)&rx_bd, sizeof(rx_bd));
>
> /* It is necessary to flush rxframe because if you don't do it
> * then cache will contain previous packet */
> - flush_cache((u32)&rxframe, sizeof(rxframe));
> + flush_cache((phys_addr_t)&rxframe, sizeof(rxframe));
>
> /* Rx BD is ready - start again */
> axienet_dma_write(&rx_bd, &priv->dmarx->tail);
> --
> 2.28.0
>
Reviewed-By: Ramon Fried <rfried.dev@gmail.com>
^ permalink raw reply [flat|nested] 7+ messages in thread
* [PATCH 1/2] net: xilinx: axi_emac: Fix dma descriptors for 64bit and compilation warnings
2020-09-14 9:34 ` [PATCH 1/2] net: xilinx: axi_emac: Fix dma descriptors for 64bit and compilation warnings Michal Simek
@ 2020-09-14 14:07 ` Ramon Fried
0 siblings, 0 replies; 7+ messages in thread
From: Ramon Fried @ 2020-09-14 14:07 UTC (permalink / raw)
To: u-boot
On Mon, Sep 14, 2020 at 12:35 PM Michal Simek <michal.simek@xilinx.com> wrote:
>
> From: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
>
> There are compilation warnings showing up when we compile AXI ethernet
> driver for 64bit architectures. Fix them, so that it works on both 32
> and 64 bit architectures.
>
> DMA descriptors are not taking care of 64bit addresses. To fix it,
> change axidma_bd members as below:
>
> next ==> next_desc
> reserverd1 ==> next_desc_msb
> phys ==> buf_addr
> reserverd2 ==> buf_addr_msb
>
> and update next_desc and buf_addr with lower 32 bits of the addresses,
> update next_desc_msb and buf_addr_msb with upper 32 bits of the 64bit
> addresses.
>
> Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
> ---
>
> drivers/net/xilinx_axi_emac.c | 36 +++++++++++++++++++++++------------
> 1 file changed, 24 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/net/xilinx_axi_emac.c b/drivers/net/xilinx_axi_emac.c
> index 99d4d85c5270..c56c4d0d83e4 100644
> --- a/drivers/net/xilinx_axi_emac.c
> +++ b/drivers/net/xilinx_axi_emac.c
> @@ -101,10 +101,10 @@ struct axidma_priv {
>
> /* BD descriptors */
> struct axidma_bd {
> - u32 next; /* Next descriptor pointer */
> - u32 reserved1;
> - u32 phys; /* Buffer address */
> - u32 reserved2;
> + u32 next_desc; /* Next descriptor pointer */
> + u32 next_desc_msb;
> + u32 buf_addr; /* Buffer address */
> + u32 buf_addr_msb;
> u32 reserved3;
> u32 reserved4;
> u32 cntrl; /* Control */
> @@ -182,7 +182,7 @@ static inline int mdio_wait(struct axi_regs *regs)
> static inline void axienet_dma_write(struct axidma_bd *bd, u32 *desc)
> {
> #if defined(CONFIG_PHYS_64BIT)
> - writeq(bd, desc);
> + writeq((unsigned long)bd, desc);
> #else
> writel((u32)bd, desc);
> #endif
> @@ -492,8 +492,12 @@ static int axiemac_start(struct udevice *dev)
>
> /* Setup the BD. */
> memset(&rx_bd, 0, sizeof(rx_bd));
> - rx_bd.next = (u32)&rx_bd;
> - rx_bd.phys = (u32)&rxframe;
> + rx_bd.next_desc = lower_32_bits((unsigned long)&rx_bd);
> + rx_bd.buf_addr = lower_32_bits((unsigned long)&rxframe);
> +#if defined(CONFIG_PHYS_64BIT)
> + rx_bd.next_desc_msb = upper_32_bits((unsigned long)&rx_bd);
> + rx_bd.buf_addr_msb = upper_32_bits((unsigned long)&rxframe);
> +#endif
> rx_bd.cntrl = sizeof(rxframe);
> /* Flush the last BD so DMA core could see the updates */
> flush_cache((u32)&rx_bd, sizeof(rx_bd));
> @@ -539,8 +543,12 @@ static int axiemac_send(struct udevice *dev, void *ptr, int len)
> /* Setup Tx BD */
> memset(&tx_bd, 0, sizeof(tx_bd));
> /* At the end of the ring, link the last BD back to the top */
> - tx_bd.next = (u32)&tx_bd;
> - tx_bd.phys = (u32)ptr;
> + tx_bd.next_desc = lower_32_bits((unsigned long)&tx_bd);
> + tx_bd.buf_addr = lower_32_bits((unsigned long)ptr);
> +#if defined(CONFIG_PHYS_64BIT)
> + tx_bd.next_desc_msb = upper_32_bits((unsigned long)&tx_bd);
> + tx_bd.buf_addr_msb = upper_32_bits((unsigned long)ptr);
> +#endif
> /* Save len */
> tx_bd.cntrl = len | XAXIDMA_BD_CTRL_TXSOF_MASK |
> XAXIDMA_BD_CTRL_TXEOF_MASK;
> @@ -637,8 +645,12 @@ static int axiemac_free_pkt(struct udevice *dev, uchar *packet, int length)
> /* Setup RxBD */
> /* Clear the whole buffer and setup it again - all flags are cleared */
> memset(&rx_bd, 0, sizeof(rx_bd));
> - rx_bd.next = (u32)&rx_bd;
> - rx_bd.phys = (u32)&rxframe;
> + rx_bd.next_desc = lower_32_bits((unsigned long)&rx_bd);
> + rx_bd.buf_addr = lower_32_bits((unsigned long)&rxframe);
> +#if defined(CONFIG_PHYS_64BIT)
> + rx_bd.next_desc_msb = upper_32_bits((unsigned long)&rx_bd);
> + rx_bd.buf_addr_msb = upper_32_bits((unsigned long)&rxframe);
> +#endif
> rx_bd.cntrl = sizeof(rxframe);
>
> /* Write bd to HW */
> @@ -738,7 +750,7 @@ static int axi_emac_ofdata_to_platdata(struct udevice *dev)
> return -EINVAL;
> }
> /* RX channel offset is 0x30 */
> - priv->dmarx = (struct axidma_reg *)((u32)priv->dmatx + 0x30);
> + priv->dmarx = (struct axidma_reg *)((phys_addr_t)priv->dmatx + 0x30);
>
> priv->phyaddr = -1;
>
> --
> 2.28.0
>
Reviewed-By: Ramon Fried <rfried.dev@gmail.com>
^ permalink raw reply [flat|nested] 7+ messages in thread
* [PATCH 0/2] net: xilinx: axi_emac: Add 64bit support
2020-09-14 9:34 [PATCH 0/2] net: xilinx: axi_emac: Add 64bit support Michal Simek
` (2 preceding siblings ...)
2020-09-14 14:07 ` [PATCH 0/2] net: xilinx: axi_emac: Add 64bit support Ramon Fried
@ 2020-09-23 12:08 ` Michal Simek
3 siblings, 0 replies; 7+ messages in thread
From: Michal Simek @ 2020-09-23 12:08 UTC (permalink / raw)
To: u-boot
po 14. 9. 2020 v 11:34 odes?latel Michal Simek <michal.simek@xilinx.com> napsal:
>
> Hi,
>
> these two patches are extending axi emac driver to support 64bit systems.
>
> Thanks,
> Michal
>
>
> Ashok Reddy Soma (2):
> net: xilinx: axi_emac: Fix dma descriptors for 64bit and compilation
> warnings
> net: xilinx: axi_emac: Typecast flush_cache arguments
>
> drivers/net/xilinx_axi_emac.c | 48 ++++++++++++++++++++++-------------
> 1 file changed, 30 insertions(+), 18 deletions(-)
>
> --
> 2.28.0
>
Applied.
M
--
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs
^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2020-09-23 12:08 UTC | newest]
Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-09-14 9:34 [PATCH 0/2] net: xilinx: axi_emac: Add 64bit support Michal Simek
2020-09-14 9:34 ` [PATCH 1/2] net: xilinx: axi_emac: Fix dma descriptors for 64bit and compilation warnings Michal Simek
2020-09-14 14:07 ` Ramon Fried
2020-09-14 9:34 ` [PATCH 2/2] net: xilinx: axi_emac: Typecast flush_cache arguments Michal Simek
2020-09-14 14:07 ` Ramon Fried
2020-09-14 14:07 ` [PATCH 0/2] net: xilinx: axi_emac: Add 64bit support Ramon Fried
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