zzy/NJU_PA
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> compile NEMU

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221220000 张三
Linux zzy 5.15.146.1-microsoft-standard-WSL2 #1 SMP Thu Jan 11 04:09:03 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
 14:14:35 up 4 days,  9:20,  1 user,  load average: 0.59, 0.47, 0.46
This commit is contained in:
tracer-ics2023
2024-09-21 14:14:36 +08:00
committed by zzy
parent 41539f3204
commit 70ddaed818
2 changed files with 19 additions and 0 deletions
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11
nemu/src/cpu/Kconfig
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@ -90,6 +90,17 @@ menuconfig DTRACE
if DTRACE if DTRACE
config DTRACE_COND
string "Only trace device when the condition is true (you can use 'offset' variable)"
default "offset >= 0"
config DTRACE_WRITE
bool "Enable device trace on write"
default y
config DTRACE_READ
bool "Enable device trace on read"
default y
endif # DTRACE endif # DTRACE

8
nemu/src/device/io/map.c
View File

@ -58,6 +58,10 @@ word_t map_read(paddr_t addr, int len, IOMap *map) {
paddr_t offset = addr - map->low; paddr_t offset = addr - map->low;
invoke_callback(map->callback, offset, len, false); // prepare data to read invoke_callback(map->callback, offset, len, false); // prepare data to read
word_t ret = host_read(map->space + offset, len); word_t ret = host_read(map->space + offset, len);
#ifdef CONFIG_DTRACE_READ
if (CONFIG_DTRACE_COND) log_write("device_read " FMT_WORD " from offset " FMT_PADDR " (%s)\n",
ret, offset, map->name);
#endif
//word_t ret = *(word_t*)(map->space + offset); //word_t ret = *(word_t*)(map->space + offset);
//printf("map_read: %p, %d\n", map->space + offset, ret); //printf("map_read: %p, %d\n", map->space + offset, ret);
return ret; return ret;
@ -68,5 +72,9 @@ void map_write(paddr_t addr, int len, word_t data, IOMap *map) {
check_bound(map, addr); check_bound(map, addr);
paddr_t offset = addr - map->low; paddr_t offset = addr - map->low;
host_write(map->space + offset, len, data); host_write(map->space + offset, len, data);
#ifdef CONFIG_DTRACE_WRITE
if (CONFIG_DTRACE_COND) log_write("device_write " FMT_WORD " from offset " FMT_PADDR " (%s)\n",
data, offset, map->name);
#endif
invoke_callback(map->callback, offset, len, true); invoke_callback(map->callback, offset, len, true);
} }