52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
|
#include <command.h>
|
||
|
|
#include <string.h>
|
||
|
|
|
||
|
|
// Internal prototype.
|
||
|
|
static void ram_jump(int argc, char **argv, struct session_s *session, char *info);
|
||
|
|
|
||
|
|
/* Define the command block into the cache section. */
|
||
|
|
CMDBLOCK("ram", &ram_jump,
|
||
|
|
"RAM command help\n"
|
||
|
|
"This function allows user to\njump into different parts of\n"
|
||
|
|
"the RAM mapped in the Virtual\nMemory.\n"
|
||
|
|
"\n"
|
||
|
|
":ram p0\n"
|
||
|
|
"Jump into the P0 area, basically"
|
||
|
|
"the user space who is managed\n"
|
||
|
|
"by the Memory Management\nUnit.\n"
|
||
|
|
"\n"
|
||
|
|
":ram p1\n"
|
||
|
|
"Jump into the RAM mapped in the P1 area; MMU is disabled and\n"
|
||
|
|
"the area is cached.\n"
|
||
|
|
"\n"
|
||
|
|
":ram p2\n"
|
||
|
|
"Jump into the RAM mapped in the P2 area; MMU is disable "
|
||
|
|
"and the area is not cached.\n"
|
||
|
|
"\n"
|
||
|
|
":ram p4\n"
|
||
|
|
"Jump into the internal chip\nmemory area; MMU is enabled\n"
|
||
|
|
"and the area is cached.\n"
|
||
|
|
);
|
||
|
|
|
||
|
|
/* ram_jump() - jump into the RAM mapped in different parts of the Virtual Memory. */
|
||
|
|
static void ram_jump(int argc, char **argv, struct session_s *session, char *info)
|
||
|
|
{
|
||
|
|
if (argc != 2){
|
||
|
|
strcpy(info, "argument error");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (strcmp(argv[1], "p0") && strcmp(argv[1], "p1")
|
||
|
|
&& strcmp(argv[1], "p2") && strcmp(argv[1], "p4")){
|
||
|
|
sprintf(info, "bad argument");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (!strcmp(argv[1], "p0"))
|
||
|
|
session->anchor = 0x08000000;
|
||
|
|
if (!strcmp(argv[1], "p1"))
|
||
|
|
session->anchor = 0x88000000;
|
||
|
|
if (!strcmp(argv[1], "p2"))
|
||
|
|
session->anchor = 0xa8000000;
|
||
|
|
if (!strcmp(argv[1], "p4"))
|
||
|
|
session->anchor = 0xe5000000;
|
||
|
|
}
|