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Oct 13, 2025
Merged

uniformize memory attributes #3304

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78 changes: 30 additions & 48 deletions mongoose.c
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Original file line number Diff line number Diff line change
Expand Up @@ -22169,15 +22169,12 @@ struct enet_desc {
uint32_t *buffer; // Data ptr
};

// TODO(): handle these in a portable compiler-independent CMSIS-friendly way
#define MG_64BYTE_ALIGNED __attribute__((aligned((64U))))

// Descriptors: in non-cached area (TODO(scaprile)), (37.5.1.22.2 37.5.1.23.2)
// Buffers: 64-byte aligned (37.3.14)
static volatile struct enet_desc s_rxdesc[ETH_DESC_CNT] MG_64BYTE_ALIGNED;
static volatile struct enet_desc s_txdesc[ETH_DESC_CNT] MG_64BYTE_ALIGNED;
static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_64BYTE_ALIGNED;
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_64BYTE_ALIGNED;
static volatile struct enet_desc s_rxdesc[ETH_DESC_CNT] MG_ETH_RAM MG_64BYTE_ALIGNED;
static volatile struct enet_desc s_txdesc[ETH_DESC_CNT] MG_ETH_RAM MG_64BYTE_ALIGNED;
static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_RAM MG_64BYTE_ALIGNED;
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_RAM MG_64BYTE_ALIGNED;
static struct mg_tcpip_if *s_ifp; // MIP interface

static uint16_t enet_read_phy(uint8_t addr, uint8_t reg) {
Expand Down Expand Up @@ -23161,16 +23158,12 @@ struct ra_edmac {
#define ETH_PKT_SIZE 1536 // Max frame size, multiple of 32
#define ETH_DESC_CNT 4 // Descriptors count

// TODO(): handle these in a portable compiler-independent CMSIS-friendly way
#define MG_16BYTE_ALIGNED __attribute__((aligned((16U))))
#define MG_32BYTE_ALIGNED __attribute__((aligned((32U))))

// Descriptors: 16-byte aligned
// Buffers: 32-byte aligned (27.3.1)
static volatile uint32_t s_rxdesc[ETH_DESC_CNT][4] MG_16BYTE_ALIGNED;
static volatile uint32_t s_txdesc[ETH_DESC_CNT][4] MG_16BYTE_ALIGNED;
static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_32BYTE_ALIGNED;
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_32BYTE_ALIGNED;
static volatile uint32_t s_rxdesc[ETH_DESC_CNT][4] MG_ETH_RAM MG_16BYTE_ALIGNED;
static volatile uint32_t s_txdesc[ETH_DESC_CNT][4] MG_ETH_RAM MG_16BYTE_ALIGNED;
static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_RAM MG_32BYTE_ALIGNED;
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_RAM MG_32BYTE_ALIGNED;
static struct mg_tcpip_if *s_ifp; // MIP interface

// fastest is 3 cycles (SUB + BNE) on a 3-stage pipeline or equivalent
Expand Down Expand Up @@ -23426,11 +23419,10 @@ struct ENET_Type {
#define ETH_DESC_CNT 4 // Descriptors count
#define ETH_DS 2 // Descriptor size (words)

#define MG_8BYTE_ALIGNED __attribute__((aligned((8U))))
static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_8BYTE_ALIGNED;
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_8BYTE_ALIGNED;
static uint32_t s_rxdesc[ETH_DESC_CNT][ETH_DS] MG_8BYTE_ALIGNED;
static uint32_t s_txdesc[ETH_DESC_CNT][ETH_DS] MG_8BYTE_ALIGNED;
static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_RAM MG_8BYTE_ALIGNED;
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_RAM MG_8BYTE_ALIGNED;
static uint32_t s_rxdesc[ETH_DESC_CNT][ETH_DS] MG_ETH_RAM MG_8BYTE_ALIGNED;
static uint32_t s_txdesc[ETH_DESC_CNT][ETH_DS] MG_ETH_RAM MG_8BYTE_ALIGNED;
static uint8_t s_txno; // Current TX descriptor
static uint8_t s_rxno; // Current RX descriptor

Expand Down Expand Up @@ -24044,10 +24036,10 @@ struct stm32f_eth {
#define ETH_DESC_CNT 4 // Descriptors count
#define ETH_DS 4 // Descriptor size (words)

static uint32_t s_rxdesc[ETH_DESC_CNT][ETH_DS]; // RX descriptors
static uint32_t s_txdesc[ETH_DESC_CNT][ETH_DS]; // TX descriptors
static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE]; // RX ethernet buffers
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE]; // TX ethernet buffers
static uint32_t s_rxdesc[ETH_DESC_CNT][ETH_DS] MG_ETH_RAM; // RX descriptors
static uint32_t s_txdesc[ETH_DESC_CNT][ETH_DS] MG_ETH_RAM; // TX descriptors
static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_RAM; // RX ethernet buffers
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_RAM; // TX ethernet buffers
static uint8_t s_txno; // Current TX descriptor
static uint8_t s_rxno; // Current RX descriptor

Expand Down Expand Up @@ -24324,11 +24316,10 @@ struct synopsys_enet_qos {
#define ETH_DESC_CNT 4 // Descriptors count
#define ETH_DS 4 // Descriptor size (words)

#define MG_ETH_ATTR __attribute__((aligned(8), section(".eth_ram")))
static volatile uint32_t s_rxdesc[ETH_DESC_CNT][ETH_DS] MG_ETH_ATTR;
static volatile uint32_t s_txdesc[ETH_DESC_CNT][ETH_DS] MG_ETH_ATTR;
static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_ATTR;
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_ATTR;
static volatile uint32_t s_rxdesc[ETH_DESC_CNT][ETH_DS] MG_ETH_RAM MG_8BYTE_ALIGNED;
static volatile uint32_t s_txdesc[ETH_DESC_CNT][ETH_DS] MG_ETH_RAM MG_8BYTE_ALIGNED;
static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_RAM MG_8BYTE_ALIGNED;
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_RAM MG_8BYTE_ALIGNED;
static struct mg_tcpip_if *s_ifp; // MIP interface

static uint16_t eth_read_phy(uint8_t addr, uint8_t reg) {
Expand Down Expand Up @@ -25305,18 +25296,12 @@ struct ETH_GLOBAL_TypeDef {
#define ETH_DESC_CNT 4 // Descriptors count
#define ETH_DS 4 // Descriptor size (words)

#ifndef ETH_RAM_SECTION
// if no section is specified, then the data will be placed in the default
// bss section
#define ETH_RAM_SECTION
#endif

static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE] ETH_RAM_SECTION;
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE] ETH_RAM_SECTION;
static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_RAM;
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_RAM;
static uint32_t s_rxdesc[ETH_DESC_CNT]
[ETH_DS] ETH_RAM_SECTION; // RX descriptors
[ETH_DS] MG_ETH_RAM; // RX descriptors
static uint32_t s_txdesc[ETH_DESC_CNT]
[ETH_DS] ETH_RAM_SECTION; // TX descriptors
[ETH_DS] MG_ETH_RAM; // TX descriptors
static uint8_t s_txno; // Current TX descriptor
static uint8_t s_rxno; // Current RX descriptor

Expand Down Expand Up @@ -25577,15 +25562,12 @@ struct ETH_Type {
#define ETH_DESC_CNT 4 // Descriptors count
#define ETH_DS 2 // Descriptor size (words)

// TODO(): handle these in a portable compiler-independent CMSIS-friendly way
#define MG_8BYTE_ALIGNED __attribute__((aligned((8U))))

static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE];
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE];
static uint32_t s_rxdesc[ETH_DESC_CNT][ETH_DS] MG_8BYTE_ALIGNED;
static uint32_t s_txdesc[ETH_DESC_CNT][ETH_DS] MG_8BYTE_ALIGNED;
static uint8_t s_txno MG_8BYTE_ALIGNED; // Current TX descriptor
static uint8_t s_rxno MG_8BYTE_ALIGNED; // Current RX descriptor
static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_RAM;
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_RAM;
static uint32_t s_rxdesc[ETH_DESC_CNT][ETH_DS] MG_ETH_RAM MG_8BYTE_ALIGNED;
static uint32_t s_txdesc[ETH_DESC_CNT][ETH_DS] MG_ETH_RAM MG_8BYTE_ALIGNED;
static uint8_t s_txno; // Current TX descriptor
static uint8_t s_rxno; // Current RX descriptor

static struct mg_tcpip_if *s_ifp; // MIP interface
enum { MG_PHY_ADDR = 0, MG_PHYREG_BCR = 0, MG_PHYREG_BSR = 1 };
Expand Down
42 changes: 42 additions & 0 deletions mongoose.h
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Original file line number Diff line number Diff line change
Expand Up @@ -3171,6 +3171,48 @@ struct mg_tcpip_spi {
uint8_t (*txn)(void *, uint8_t); // SPI transaction: write 1 byte, read reply
};


// Alignment and memory section requirements
#ifndef MG_8BYTE_ALIGNED
#if defined(__GNUC__)
#define MG_8BYTE_ALIGNED __attribute__((aligned((8U))))
#else
#define MG_8BYTE_ALIGNED
#endif // compiler
#endif // 8BYTE_ALIGNED

#ifndef MG_16BYTE_ALIGNED
#if defined(__GNUC__)
#define MG_16BYTE_ALIGNED __attribute__((aligned((16U))))
#else
#define MG_16BYTE_ALIGNED
#endif // compiler
#endif // 16BYTE_ALIGNED

#ifndef MG_32BYTE_ALIGNED
#if defined(__GNUC__)
#define MG_32BYTE_ALIGNED __attribute__((aligned((32U))))
#else
#define MG_32BYTE_ALIGNED
#endif // compiler
#endif // 32BYTE_ALIGNED

#ifndef MG_64BYTE_ALIGNED
#if defined(__GNUC__)
#define MG_64BYTE_ALIGNED __attribute__((aligned((64U))))
#else
#define MG_64BYTE_ALIGNED
#endif // compiler
#endif // 64BYTE_ALIGNED

#ifndef MG_ETH_RAM
#if defined(__GNUC__)
#define MG_ETH_RAM __attribute__((section(".eth_ram")))
#else
#define MG_ETH_RAM
#endif // compiler
#endif // ETH_RAM

#endif


Expand Down
11 changes: 4 additions & 7 deletions src/drivers/imxrt.c
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Expand Up @@ -48,15 +48,12 @@ struct enet_desc {
uint32_t *buffer; // Data ptr
};

// TODO(): handle these in a portable compiler-independent CMSIS-friendly way
#define MG_64BYTE_ALIGNED __attribute__((aligned((64U))))

// Descriptors: in non-cached area (TODO(scaprile)), (37.5.1.22.2 37.5.1.23.2)
// Buffers: 64-byte aligned (37.3.14)
static volatile struct enet_desc s_rxdesc[ETH_DESC_CNT] MG_64BYTE_ALIGNED;
static volatile struct enet_desc s_txdesc[ETH_DESC_CNT] MG_64BYTE_ALIGNED;
static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_64BYTE_ALIGNED;
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_64BYTE_ALIGNED;
static volatile struct enet_desc s_rxdesc[ETH_DESC_CNT] MG_ETH_RAM MG_64BYTE_ALIGNED;
static volatile struct enet_desc s_txdesc[ETH_DESC_CNT] MG_ETH_RAM MG_64BYTE_ALIGNED;
static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_RAM MG_64BYTE_ALIGNED;
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_RAM MG_64BYTE_ALIGNED;
static struct mg_tcpip_if *s_ifp; // MIP interface

static uint16_t enet_read_phy(uint8_t addr, uint8_t reg) {
Expand Down
12 changes: 4 additions & 8 deletions src/drivers/ra.c
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Original file line number Diff line number Diff line change
Expand Up @@ -38,16 +38,12 @@ struct ra_edmac {
#define ETH_PKT_SIZE 1536 // Max frame size, multiple of 32
#define ETH_DESC_CNT 4 // Descriptors count

// TODO(): handle these in a portable compiler-independent CMSIS-friendly way
#define MG_16BYTE_ALIGNED __attribute__((aligned((16U))))
#define MG_32BYTE_ALIGNED __attribute__((aligned((32U))))

// Descriptors: 16-byte aligned
// Buffers: 32-byte aligned (27.3.1)
static volatile uint32_t s_rxdesc[ETH_DESC_CNT][4] MG_16BYTE_ALIGNED;
static volatile uint32_t s_txdesc[ETH_DESC_CNT][4] MG_16BYTE_ALIGNED;
static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_32BYTE_ALIGNED;
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_32BYTE_ALIGNED;
static volatile uint32_t s_rxdesc[ETH_DESC_CNT][4] MG_ETH_RAM MG_16BYTE_ALIGNED;
static volatile uint32_t s_txdesc[ETH_DESC_CNT][4] MG_ETH_RAM MG_16BYTE_ALIGNED;
static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_RAM MG_32BYTE_ALIGNED;
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_RAM MG_32BYTE_ALIGNED;
static struct mg_tcpip_if *s_ifp; // MIP interface

// fastest is 3 cycles (SUB + BNE) on a 3-stage pipeline or equivalent
Expand Down
9 changes: 4 additions & 5 deletions src/drivers/rw612.c
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Original file line number Diff line number Diff line change
Expand Up @@ -32,11 +32,10 @@ struct ENET_Type {
#define ETH_DESC_CNT 4 // Descriptors count
#define ETH_DS 2 // Descriptor size (words)

#define MG_8BYTE_ALIGNED __attribute__((aligned((8U))))
static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_8BYTE_ALIGNED;
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_8BYTE_ALIGNED;
static uint32_t s_rxdesc[ETH_DESC_CNT][ETH_DS] MG_8BYTE_ALIGNED;
static uint32_t s_txdesc[ETH_DESC_CNT][ETH_DS] MG_8BYTE_ALIGNED;
static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_RAM MG_8BYTE_ALIGNED;
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_RAM MG_8BYTE_ALIGNED;
static uint32_t s_rxdesc[ETH_DESC_CNT][ETH_DS] MG_ETH_RAM MG_8BYTE_ALIGNED;
static uint32_t s_txdesc[ETH_DESC_CNT][ETH_DS] MG_ETH_RAM MG_8BYTE_ALIGNED;
static uint8_t s_txno; // Current TX descriptor
static uint8_t s_rxno; // Current RX descriptor

Expand Down
8 changes: 4 additions & 4 deletions src/drivers/stm32f.c
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Expand Up @@ -22,10 +22,10 @@ struct stm32f_eth {
#define ETH_DESC_CNT 4 // Descriptors count
#define ETH_DS 4 // Descriptor size (words)

static uint32_t s_rxdesc[ETH_DESC_CNT][ETH_DS]; // RX descriptors
static uint32_t s_txdesc[ETH_DESC_CNT][ETH_DS]; // TX descriptors
static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE]; // RX ethernet buffers
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE]; // TX ethernet buffers
static uint32_t s_rxdesc[ETH_DESC_CNT][ETH_DS] MG_ETH_RAM; // RX descriptors
static uint32_t s_txdesc[ETH_DESC_CNT][ETH_DS] MG_ETH_RAM; // TX descriptors
static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_RAM; // RX ethernet buffers
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_RAM; // TX ethernet buffers
static uint8_t s_txno; // Current TX descriptor
static uint8_t s_rxno; // Current RX descriptor

Expand Down
9 changes: 4 additions & 5 deletions src/drivers/stm32h.c
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Original file line number Diff line number Diff line change
Expand Up @@ -50,11 +50,10 @@ struct synopsys_enet_qos {
#define ETH_DESC_CNT 4 // Descriptors count
#define ETH_DS 4 // Descriptor size (words)

#define MG_ETH_ATTR __attribute__((aligned(8), section(".eth_ram")))
static volatile uint32_t s_rxdesc[ETH_DESC_CNT][ETH_DS] MG_ETH_ATTR;
static volatile uint32_t s_txdesc[ETH_DESC_CNT][ETH_DS] MG_ETH_ATTR;
static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_ATTR;
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_ATTR;
static volatile uint32_t s_rxdesc[ETH_DESC_CNT][ETH_DS] MG_ETH_RAM MG_8BYTE_ALIGNED;
static volatile uint32_t s_txdesc[ETH_DESC_CNT][ETH_DS] MG_ETH_RAM MG_8BYTE_ALIGNED;
static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_RAM MG_8BYTE_ALIGNED;
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_RAM MG_8BYTE_ALIGNED;
static struct mg_tcpip_if *s_ifp; // MIP interface

static uint16_t eth_read_phy(uint8_t addr, uint8_t reg) {
Expand Down
14 changes: 4 additions & 10 deletions src/drivers/xmc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -35,18 +35,12 @@ struct ETH_GLOBAL_TypeDef {
#define ETH_DESC_CNT 4 // Descriptors count
#define ETH_DS 4 // Descriptor size (words)

#ifndef ETH_RAM_SECTION
// if no section is specified, then the data will be placed in the default
// bss section
#define ETH_RAM_SECTION
#endif

static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE] ETH_RAM_SECTION;
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE] ETH_RAM_SECTION;
static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_RAM;
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_RAM;
static uint32_t s_rxdesc[ETH_DESC_CNT]
[ETH_DS] ETH_RAM_SECTION; // RX descriptors
[ETH_DS] MG_ETH_RAM; // RX descriptors
static uint32_t s_txdesc[ETH_DESC_CNT]
[ETH_DS] ETH_RAM_SECTION; // TX descriptors
[ETH_DS] MG_ETH_RAM; // TX descriptors
static uint8_t s_txno; // Current TX descriptor
static uint8_t s_rxno; // Current RX descriptor

Expand Down
15 changes: 6 additions & 9 deletions src/drivers/xmc7.c
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Original file line number Diff line number Diff line change
Expand Up @@ -59,15 +59,12 @@ struct ETH_Type {
#define ETH_DESC_CNT 4 // Descriptors count
#define ETH_DS 2 // Descriptor size (words)

// TODO(): handle these in a portable compiler-independent CMSIS-friendly way
#define MG_8BYTE_ALIGNED __attribute__((aligned((8U))))

static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE];
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE];
static uint32_t s_rxdesc[ETH_DESC_CNT][ETH_DS] MG_8BYTE_ALIGNED;
static uint32_t s_txdesc[ETH_DESC_CNT][ETH_DS] MG_8BYTE_ALIGNED;
static uint8_t s_txno MG_8BYTE_ALIGNED; // Current TX descriptor
static uint8_t s_rxno MG_8BYTE_ALIGNED; // Current RX descriptor
static uint8_t s_rxbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_RAM;
static uint8_t s_txbuf[ETH_DESC_CNT][ETH_PKT_SIZE] MG_ETH_RAM;
static uint32_t s_rxdesc[ETH_DESC_CNT][ETH_DS] MG_ETH_RAM MG_8BYTE_ALIGNED;
static uint32_t s_txdesc[ETH_DESC_CNT][ETH_DS] MG_ETH_RAM MG_8BYTE_ALIGNED;
static uint8_t s_txno; // Current TX descriptor
static uint8_t s_rxno; // Current RX descriptor

static struct mg_tcpip_if *s_ifp; // MIP interface
enum { MG_PHY_ADDR = 0, MG_PHYREG_BCR = 0, MG_PHYREG_BSR = 1 };
Expand Down
42 changes: 42 additions & 0 deletions src/net_builtin.h
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Expand Up @@ -107,4 +107,46 @@ struct mg_tcpip_spi {
uint8_t (*txn)(void *, uint8_t); // SPI transaction: write 1 byte, read reply
};


// Alignment and memory section requirements
#ifndef MG_8BYTE_ALIGNED
#if defined(__GNUC__)
#define MG_8BYTE_ALIGNED __attribute__((aligned((8U))))
#else
#define MG_8BYTE_ALIGNED
#endif // compiler
#endif // 8BYTE_ALIGNED

#ifndef MG_16BYTE_ALIGNED
#if defined(__GNUC__)
#define MG_16BYTE_ALIGNED __attribute__((aligned((16U))))
#else
#define MG_16BYTE_ALIGNED
#endif // compiler
#endif // 16BYTE_ALIGNED

#ifndef MG_32BYTE_ALIGNED
#if defined(__GNUC__)
#define MG_32BYTE_ALIGNED __attribute__((aligned((32U))))
#else
#define MG_32BYTE_ALIGNED
#endif // compiler
#endif // 32BYTE_ALIGNED

#ifndef MG_64BYTE_ALIGNED
#if defined(__GNUC__)
#define MG_64BYTE_ALIGNED __attribute__((aligned((64U))))
#else
#define MG_64BYTE_ALIGNED
#endif // compiler
#endif // 64BYTE_ALIGNED

#ifndef MG_ETH_RAM
#if defined(__GNUC__)
#define MG_ETH_RAM __attribute__((section(".eth_ram")))
#else
#define MG_ETH_RAM
#endif // compiler
#endif // ETH_RAM

#endif
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