speedtest.c File Reference

#include <stdio.h>
#include <stdint.h>
#include <arch/dmac.h>
#include <arch/timer.h>
#include <arch/irq.h>
#include <dc/pvr.h>
#include <kos/genwait.h>

Macros
#define	ARRAY_SIZE(x)
#define	BUF_SIZE   (1024 * 1024)

Functions
static void	dma_done (void *d)
static uint64_t	do_dma_transfer (unsigned int test, pvr_ptr_t vram1, pvr_ptr_t vram2)
int	main (int argc, char **argv)

Variables
static char	buf1 [BUF_SIZE]
static char	buf2 [BUF_SIZE]
static dma_config_t	dma_cfg
static const char *const	test_lbl []

Macro Definition Documentation

ARRAY_SIZE

#define ARRAY_SIZE

(

x

)

Value:

(sizeof(x) ? sizeof(x) / sizeof((x)[0]) : 0)

Referenced by main().

BUF_SIZE

#define BUF_SIZE   (1024 * 1024)

Referenced by do_dma_transfer(), and main().

Function Documentation

dma_done()

static void dma_done ( void * d )

static

References genwait_wake_all(), and timer_us_gettime64().

Referenced by do_dma_transfer().

do_dma_transfer()

static uint64_t do_dma_transfer ( unsigned int test, pvr_ptr_t vram1, pvr_ptr_t vram2 )

static

References buf1, buf2, BUF_SIZE, dma_cfg, dma_done(), dma_map_dst(), dma_map_src(), dma_transfer(), genwait_wait(), hw_to_dma_addr(), irq_disable_scoped, NULL, pvr_dma_transfer(), PVR_DMA_VRAM32, pvr_txr_load(), pvr_txr_load_dma(), and timer_us_gettime64().

Referenced by main().

main()

int main	(	int	argc,
		char **	argv )

References ARRAY_SIZE, BUF_SIZE, do_dma_transfer(), printf, pvr_init_defaults(), pvr_mem_free(), pvr_mem_malloc(), and test_lbl.

Variable Documentation

buf1

char buf1[BUF_SIZE]

static

Referenced by do_dma_transfer().

buf2

char buf2[BUF_SIZE]

static

Referenced by do_dma_transfer().

dma_cfg

dma_config_t dma_cfg

static

Initial value:

= {
        .channel = 1,
        .request = DMA_REQUEST_AUTO_MEM_TO_MEM,
        .unit_size = DMA_UNITSIZE_32BYTE,
        .src_mode = DMA_ADDRMODE_INCREMENT,
        .dst_mode = DMA_ADDRMODE_INCREMENT,
        .transmit_mode = DMA_TRANSMITMODE_BURST,
        .callback = dma_done,
}

Referenced by do_dma_transfer().

test_lbl

const char* const test_lbl[]

static

Initial value:

= {
        "DMAC, RAM to RAM:   ",
        "DMAC, RAM to VRAM:  ",
        "DMAC, VRAM to RAM:  ",
        "DMAC, VRAM to VRAM: ",
        "PVR SQs:            ",
        "PVR DMA, 64-bit:    ",
        "PVR DMA, 32-bit:    ",
}

Referenced by main().