1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
#include "configstring.h"
#include "encoding.h"
#include "mtrap.h"
#include <stdio.h>
static void query_mem(const char* config_string)
{
query_result res = query_config_string(config_string, "ram{0{addr");
assert(res.start);
uintptr_t base = get_uint(res);
res = query_config_string(config_string, "ram{0{size");
mem_size = get_uint(res);
}
static void query_rtc(const char* config_string)
{
query_result res = query_config_string(config_string, "rtc{addr");
assert(res.start);
mtime = (void*)get_uint(res);
}
static void query_harts(const char* config_string)
{
for (int core = 0, hart; ; core++) {
for (hart = 0; ; hart++) {
char buf[32];
snprintf(buf, sizeof buf, "core{%d{%d{isa", core, hart);
query_result res = query_config_string(config_string, buf);
if (!res.start)
break;
hls_t* hls = hls_init(num_harts);
snprintf(buf, sizeof buf, "core{%d{%d{timecmp", core, hart);
res = query_config_string(config_string, buf);
assert(res.start);
hls->timecmp = (void*)get_uint(res);
num_harts++;
}
if (!hart)
break;
}
assert(num_harts);
assert(num_harts <= MAX_HARTS);
}
void parse_config_string()
{
const char* s = (const char*)read_csr(mcfgaddr);
query_mem(s);
query_rtc(s);
query_harts(s);
}
|
