/*
* Claim a region of physical memory, unmapped.
* Returns 0: Success; Non-zero: failure.
*
* This routine is suitable for platforms with 2-cell physical addresses
* and a single size cell in the "memory" node.
*/
int
prom_claim_phys(size_t size, u_longlong_t physaddr)
{
cell_t ci[10];
int32_t rv;
ihandle_t imemory = prom_memory_ihandle();
if ((imemory == (ihandle_t)-1))
return (-1);
ci[0] = p1275_ptr2cell("call-method"); /* Service name */
ci[1] = (cell_t)6; /* #argument cells */
ci[2] = (cell_t)1; /* #result cells */
ci[3] = p1275_ptr2cell("claim"); /* Arg1: Method name */
ci[4] = p1275_ihandle2cell(imemory); /* Arg2: mmu ihandle */
ci[5] = 0; /* Arg3: SA1: align */
ci[6] = p1275_size2cell(size); /* Arg4: SA2: len */
ci[7] = p1275_ull2cell_high(physaddr); /* Arg5: SA3: phys.hi */
ci[8] = p1275_ull2cell_low(physaddr); /* Arg6: SA4: phys.lo */
rv = p1275_cif_handler(&ci);
if (rv != 0)
return (rv);
if (p1275_cell2int(ci[9]) != 0) /* Res1: Catch result */
return (-1);
return (0);
}
int
prom_seek(ihandle_t fd, u_longlong_t offset)
{
cell_t ci[7];
ci[0] = p1275_ptr2cell("seek"); /* Service name */
ci[1] = (cell_t)3; /* #argument cells */
ci[2] = (cell_t)1; /* #result cells */
ci[3] = p1275_ihandle2cell(fd); /* Arg1: ihandle */
ci[4] = p1275_ull2cell_high(offset); /* Arg2: pos.hi */
ci[5] = p1275_ull2cell_low(offset); /* Arg3: pos.lo */
ci[6] = (cell_t)-1; /* Res1: Prime result */
(void) p1275_cif_handler(&ci);
return (p1275_cell2int(ci[6])); /* Res1: actual */
}
int
prom_seek(int fd, unsigned long long offset)
{
cell_t ci[7];
ci[0] = p1275_ptr2cell("seek"); /* Service name */
ci[1] = (cell_t)3; /* #argument cells */
ci[2] = (cell_t)1; /* #result cells */
ci[3] = p1275_uint2cell((uint_t)fd); /* Arg1: ihandle */
ci[4] = p1275_ull2cell_high(offset); /* Arg2: pos.hi */
ci[5] = p1275_ull2cell_low(offset); /* Arg3: pos.lo */
ci[6] = (cell_t)-1; /* Res1: Prime result */
promif_preprom();
(void) p1275_cif_handler(&ci);
promif_postprom();
return (p1275_cell2int(ci[6])); /* Res1: actual */
}
/*
* Free physical memory (no unmapping is done).
* This routine is suitable for platforms with 2-cell physical addresses
* with a single size cell.
*/
void
prom_free_phys(size_t size, u_longlong_t physaddr)
{
cell_t ci[8];
ihandle_t imemory = prom_memory_ihandle();
if ((imemory == (ihandle_t)-1))
return;
ci[0] = p1275_ptr2cell("call-method"); /* Service name */
ci[1] = (cell_t)5; /* #argument cells */
ci[2] = (cell_t)0; /* #return cells */
ci[3] = p1275_ptr2cell("release"); /* Arg1: Method name */
ci[4] = p1275_ihandle2cell(imemory); /* Arg2: memory ihandle */
ci[5] = p1275_size2cell(size); /* Arg3: SA1: size */
ci[6] = p1275_ull2cell_high(physaddr); /* Arg4: SA2: phys.hi */
ci[7] = p1275_ull2cell_low(physaddr); /* Arg5: SA3: phys.lo */
(void) p1275_cif_handler(&ci);
}
/*
* This service converts the given physical address into a text string,
* representing the name of the field-replacable part for the given
* physical address. In other words, it tells the kernel which ecache
* module got the (un)correctable ECC error.
*/
int
prom_serengeti_get_ecacheunum(int cpuid, unsigned long long physaddr, char *buf,
uint_t buflen, int *ustrlen)
{
cell_t ci[12];
int rv;
ihandle_t imemory = prom_memory_ihandle();
*ustrlen = -1;
if ((imemory == (ihandle_t)-1))
return (-1);
if (prom_test_method("SUNW,Serengeti,get-ecache-unum",
prom_getphandle(imemory)) != 0)
return (-1);
ci[0] = p1275_ptr2cell("call-method"); /* Service name */
ci[1] = (cell_t)7; /* #argument cells */
ci[2] = (cell_t)2; /* #result cells */
ci[3] = p1275_ptr2cell("SUNW,Serengeti,get-ecache-unum");
/* Arg1: Method name */
ci[4] = p1275_ihandle2cell(imemory); /* Arg2: mem. ihandle */
ci[5] = p1275_uint2cell(buflen); /* Arg3: buflen */
ci[6] = p1275_ptr2cell(buf); /* Arg4: buf */
ci[7] = p1275_ull2cell_high(physaddr); /* Arg5: physhi */
ci[8] = p1275_ull2cell_low(physaddr); /* Arg6: physlo */
ci[9] = p1275_int2cell(cpuid); /* Arg7: cpuid */
ci[10] = (cell_t)-1; /* ret1: catch result */
ci[11] = (cell_t)-1; /* ret2: length */
promif_preprom();
rv = p1275_cif_handler(&ci);
promif_postprom();
if (rv != 0)
return (rv);
if (p1275_cell2int(ci[10]) != 0) /* Res1: catch result */
return (-1); /* "SUNW,Serengeti,get-ecache-unum" failed */
*ustrlen = p1275_cell2uint(ci[11]); /* Res2: unum str length */
return (0);
}
