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EMAC buffer address word alignment

pull/2861/head
cyliangtw 2016-10-05 20:26:36 +08:00 committed by ccli8
parent c2b9089332
commit 1c1257dcb1
1 changed files with 8 additions and 3 deletions
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11
features/FEATURE_LWIP/lwip-interface/lwip-eth/arch/TARGET_NUVOTON/TARGET_NUC472/nuc472_eth.c
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@ -24,7 +24,7 @@
#include "nuc472_eth.h" #include "nuc472_eth.h"
#include "lwip/opt.h" #include "lwip/opt.h"
#include "lwip/def.h" #include "lwip/def.h"
#include "toolchain.h"
#define ETH_TRIGGER_RX() do{EMAC->RXST = 0;}while(0) #define ETH_TRIGGER_RX() do{EMAC->RXST = 0;}while(0)
#define ETH_TRIGGER_TX() do{EMAC->TXST = 0;}while(0) #define ETH_TRIGGER_TX() do{EMAC->TXST = 0;}while(0)
@ -33,6 +33,7 @@
#define ETH_DISABLE_TX() do{EMAC->CTL &= ~EMAC_CTL_TXON;}while(0) #define ETH_DISABLE_TX() do{EMAC->CTL &= ~EMAC_CTL_TXON;}while(0)
#define ETH_DISABLE_RX() do{EMAC->CTL &= ~EMAC_CTL_RXON;}while(0) #define ETH_DISABLE_RX() do{EMAC->CTL &= ~EMAC_CTL_RXON;}while(0)
/*
#ifdef __ICCARM__ #ifdef __ICCARM__
#pragma data_alignment=4 #pragma data_alignment=4
struct eth_descriptor rx_desc[RX_DESCRIPTOR_NUM]; struct eth_descriptor rx_desc[RX_DESCRIPTOR_NUM];
@ -41,10 +42,14 @@ struct eth_descriptor tx_desc[TX_DESCRIPTOR_NUM];
struct eth_descriptor rx_desc[RX_DESCRIPTOR_NUM] __attribute__ ((aligned(4))); struct eth_descriptor rx_desc[RX_DESCRIPTOR_NUM] __attribute__ ((aligned(4)));
struct eth_descriptor tx_desc[TX_DESCRIPTOR_NUM] __attribute__ ((aligned(4))); struct eth_descriptor tx_desc[TX_DESCRIPTOR_NUM] __attribute__ ((aligned(4)));
#endif #endif
*/
struct eth_descriptor rx_desc[RX_DESCRIPTOR_NUM] MBED_ALIGN(4);
struct eth_descriptor tx_desc[TX_DESCRIPTOR_NUM] MBED_ALIGN(4);
struct eth_descriptor volatile *cur_tx_desc_ptr, *cur_rx_desc_ptr, *fin_tx_desc_ptr; struct eth_descriptor volatile *cur_tx_desc_ptr, *cur_rx_desc_ptr, *fin_tx_desc_ptr;
u8_t rx_buf[RX_DESCRIPTOR_NUM][PACKET_BUFFER_SIZE]; u8_t rx_buf[RX_DESCRIPTOR_NUM][PACKET_BUFFER_SIZE] MBED_ALIGN(4);
u8_t tx_buf[TX_DESCRIPTOR_NUM][PACKET_BUFFER_SIZE]; u8_t tx_buf[TX_DESCRIPTOR_NUM][PACKET_BUFFER_SIZE] MBED_ALIGN(4);
extern void ethernetif_input(u16_t len, u8_t *buf, u32_t s, u32_t ns); extern void ethernetif_input(u16_t len, u8_t *buf, u32_t s, u32_t ns);
extern void ethernetif_loopback_input(struct pbuf *p); extern void ethernetif_loopback_input(struct pbuf *p);