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56 lines
1.4 KiB
56 lines
1.4 KiB
#include "configstring.h"
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#include "encoding.h"
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#include "mtrap.h"
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#include <stdio.h>
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static void query_mem(const char* config_string)
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{
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query_result res = query_config_string(config_string, "ram{0{addr");
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assert(res.start);
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uintptr_t base = get_uint(res);
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assert(base == DRAM_BASE);
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res = query_config_string(config_string, "ram{0{size");
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mem_size = get_uint(res);
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}
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static void query_rtc(const char* config_string)
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{
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query_result res = query_config_string(config_string, "rtc{addr");
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assert(res.start);
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mtime = (void*)(uintptr_t)get_uint(res);
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}
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static void query_harts(const char* config_string)
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{
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for (int core = 0, hart; ; core++) {
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for (hart = 0; ; hart++) {
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char buf[32];
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snprintf(buf, sizeof buf, "core{%d{%d{ipi", core, hart);
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query_result res = query_config_string(config_string, buf);
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if (!res.start)
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break;
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hls_t* hls = hls_init(num_harts);
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hls->ipi = (void*)(uintptr_t)get_uint(res);
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snprintf(buf, sizeof buf, "core{%d{%d{timecmp", core, hart);
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res = query_config_string(config_string, buf);
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assert(res.start);
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hls->timecmp = (void*)(uintptr_t)get_uint(res);
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num_harts++;
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}
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if (!hart)
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break;
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}
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assert(num_harts);
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assert(num_harts <= MAX_HARTS);
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}
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void parse_config_string()
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{
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uint32_t addr = *(uint32_t*)CONFIG_STRING_ADDR;
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const char* s = (const char*)(uintptr_t)addr;
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query_mem(s);
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query_rtc(s);
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query_harts(s);
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}
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