openperf/abstract-machine
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ready for ics2021

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This commit is contained in:
Zihao Yu 2021-08-07 11:28:08 +08:00
parent 3cf0ee6d42
commit 30e5cd0c7e
72 changed files with 252 additions and 339 deletions
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8
am/src/native/ioe.c
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@ -8,6 +8,7 @@ void __am_timer_init();
void __am_gpu_init();
void __am_input_init();
void __am_audio_init();
void __am_disk_init();
void __am_input_config(AM_INPUT_CONFIG_T *);
void __am_timer_config(AM_TIMER_CONFIG_T *);
void __am_timer_rtc(AM_TIMER_RTC_T *);
@ -20,8 +21,10 @@ void __am_audio_config(AM_AUDIO_CONFIG_T *);
void __am_audio_ctrl(AM_AUDIO_CTRL_T *);
void __am_audio_status(AM_AUDIO_STATUS_T *);
void __am_audio_play(AM_AUDIO_PLAY_T *);
void __am_disk_config(AM_DISK_CONFIG_T *cfg);
void __am_disk_status(AM_DISK_STATUS_T *stat);
void __am_disk_blkio(AM_DISK_BLKIO_T *io);
static void __am_uart_config(AM_UART_CONFIG_T *cfg) { cfg->present = false; }
static void __am_disk_config(AM_DISK_CONFIG_T *cfg) { cfg->present = false; }
static void __am_net_config (AM_NET_CONFIG_T *cfg) { cfg->present = false; }
typedef void (*handler_t)(void *buf);
@ -40,6 +43,8 @@ static void *lut[128] = {
[AM_AUDIO_STATUS] = __am_audio_status,
[AM_AUDIO_PLAY ] = __am_audio_play,
[AM_DISK_CONFIG ] = __am_disk_config,
[AM_DISK_STATUS ] = __am_disk_status,
[AM_DISK_BLKIO ] = __am_disk_blkio,
[AM_NET_CONFIG ] = __am_net_config,
};
@ -59,6 +64,7 @@ void __am_ioe_init() {
__am_gpu_init();
__am_input_init();
__am_audio_init();
__am_disk_init();
ioe_init_done = true;
}

41
am/src/native/ioe/disk.c Normal file
View file

@ -0,0 +1,41 @@
#include <am.h>
#include <stdlib.h>
#include <stdio.h>
#include <assert.h>
#define BLKSZ 512
static int disk_size = 0;
static FILE *fp = NULL;
void __am_disk_init() {
const char *diskimg = getenv("diskimg");
if (diskimg) {
fp = fopen(diskimg, "r+");
if (fp) {
fseek(fp, 0, SEEK_END);
disk_size = (ftell(fp) + 511) / 512;
rewind(fp);
}
}
}
void __am_disk_config(AM_DISK_CONFIG_T *cfg) {
cfg->present = (fp != NULL);
cfg->blksz = BLKSZ;
cfg->blkcnt = disk_size;
}
void __am_disk_status(AM_DISK_STATUS_T *stat) {
stat->ready = 1;
}
void __am_disk_blkio(AM_DISK_BLKIO_T *io) {
if (fp) {
fseek(fp, io->blkno * BLKSZ, SEEK_SET);
int ret;
if (io->write) ret = fwrite(io->buf, io->blkcnt * BLKSZ, 1, fp);
else ret = fread(io->buf, io->blkcnt * BLKSZ, 1, fp);
assert(ret == 1);
}
}