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Merge pull request #18 from gyurco/master

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Remove mis-placed write buffer copy
This commit is contained in:
sorgelig
2018-08-10 18:03:35 +08:00
committed by GitHub
parent 95147d1dae 5737ca5792
commit d215baf1fb
1 changed files with 6 additions and 7 deletions
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13
user_io.c
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@@ -28,6 +28,8 @@ unsigned char key_remap_table[MAX_REMAP][2];
#define BREAK 0x8000
static IDXFile sd_image[2];
static char buffer[512];
static uint8_t buffer_drive_index = 0;
static uint32_t buffer_lba = 0xffffffff;
extern fileTYPE file;
@@ -1029,8 +1031,6 @@ void user_io_poll() {
// sd card emulation
{
static char buffer[512];
static uint8_t buffer_drive_index = 0;
uint32_t lba;
uint8_t drive_index;
uint8_t c = user_io_sd_get_status(&lba, &drive_index);
@@ -1085,11 +1085,10 @@ void user_io_poll() {
iprintf("SD WR %d\n", lba);
// if we write the sector stored in the read buffer, then
// update the read buffer with the new contents
if(buffer_lba == lba)
memcpy(buffer, wr_buf, 512);
buffer_lba = 0xffffffff;
// invalidate the cache
if(buffer_lba == lba && buffer_drive_index == drive_index) {
buffer_lba = 0xffffffff;
}
// Fetch sector data from FPGA ...
spi_uio_cmd_cont(UIO_SECTOR_WR);