/*
* Initialize all plugins
*/
void wdt_plugins_init(uev_ctx_t *ctx, int T)
{
/* Start file descriptor monitor */
filenr_init(ctx, T);
/* Start load average monitor, if enabled */
loadavg_init(ctx, T);
/* Start memory leak monitor */
meminfo_init(ctx, T);
/* Start process monitor */
pmon_init(ctx, T);
}
vaddr_t
mips_init(uint64_t argc, uint64_t argv, uint64_t envp, uint64_t cv,
char *boot_esym)
{
uint32_t prid;
u_long memlo, memhi, cpuspeed;
vaddr_t xtlb_handler;
const char *envvar;
int i;
extern char start[], edata[], end[];
extern char exception[], e_exception[];
extern char *hw_vendor, *hw_prod;
extern void xtlb_miss;
/*
* Make sure we can access the extended address space.
* This is not necessary on real hardware, but some emulators
* are not aware of this.
*/
setsr(getsr() | SR_KX | SR_UX);
/*
* Clear the compiled BSS segment in OpenBSD code.
* PMON is supposed to have done this, though.
*/
bzero(edata, end - edata);
/*
* Set up early console output.
*/
prid = cp0_get_prid();
pmon_init((int32_t)argc, (int32_t)argv, (int32_t)envp, (int32_t)cv,
prid);
cn_tab = &pmoncons;
/*
* Reserve space for the symbol table, if it exists.
*/
/* Attempt to locate ELF header and symbol table after kernel. */
if (end[0] == ELFMAG0 && end[1] == ELFMAG1 &&
end[2] == ELFMAG2 && end[3] == ELFMAG3) {
/* ELF header exists directly after kernel. */
ssym = end;
esym = boot_esym;
ekern = esym;
} else {
ssym = (char *)(vaddr_t)*(int32_t *)end;
if (((long)ssym - (long)end) >= 0 &&
((long)ssym - (long)end) <= 0x1000 &&
ssym[0] == ELFMAG0 && ssym[1] == ELFMAG1 &&
ssym[2] == ELFMAG2 && ssym[3] == ELFMAG3) {
/* Pointers exist directly after kernel. */
esym = (char *)(vaddr_t)*((int32_t *)end + 1);
ekern = esym;
} else {
/* Pointers aren't setup either... */
ssym = NULL;
esym = NULL;
ekern = end;
}
}
/*
* While the kernel supports other processor types than Loongson,
* we are currently not expecting to run on a system with a
* different processor. Just to be on the safe side, refuse to
* run on non-Loongson2 processors for now.
*/
switch ((prid >> 8) & 0xff) {
case MIPS_LOONGSON2:
switch (prid & 0xff) {
#ifdef CPU_LOONGSON2
#ifdef CPU_LOONGSON2C
case 0x00:
loongson_ver = 0x2c;
break;
#endif
case 0x02:
loongson_ver = 0x2e;
break;
case 0x03:
loongson_ver = 0x2f;
break;
#endif
#ifdef CPU_LOONGSON3
case 0x05:
loongson_ver = 0x3a;
break;
#endif
default:
break;
}
}
if (loongson_ver == 0) {
pmon_printf("This kernel doesn't support processor type 0x%x"
", version %d.%d.\n",
(prid >> 8) & 0xff, (prid >> 4) & 0x0f, prid & 0x0f);
goto unsupported;
}
/* module initialization and will be executed automatically when loading. */
void module_init(){
pmon_init();
}
