void *
mmap(void *addr, size_t len, int32_t prot, uint32_t flags,
ihandle_t fildes, int32_t off)
{
ihandle_t dev_ihandle, parent_ihandle;
phandle_t dev_phandle, parent_phandle;
void *rp;
static char reg_prop[100], dev_name[100], bus_type[100];
uint32_t *reg_ptr;
uint_t adr_cells, size_cells;
dev_ihandle = fildes;
dev_phandle = prom_getphandle(dev_ihandle);
prom_getprop(dev_phandle, "reg", reg_prop);
reg_ptr = (uint32_t *)reg_prop;
parent_ihandle = get_parent_ihandle(dev_ihandle);
parent_phandle = prom_getphandle(parent_ihandle);
prom_getprop(parent_phandle, "#address-cells", (caddr_t)&adr_cells);
prom_getprop(parent_phandle, "#size-cells", (caddr_t)&size_cells);
prom_getprop(dev_phandle, "name", dev_name);
prom_getprop(parent_phandle, "device_type", bus_type);
/*
* Flashprom devices need special handling of offset arg
* as specified by the /dev/flashprom driver
*/
if ((strcmp(dev_name, "flashprom") == 0)) {
if (off != NULL) {
reg_ptr += ((off >> 28) & 0xf)
* (adr_cells + size_cells);
off = (off & 0xfffffff);
*(reg_ptr + 1) += off;
}
rp = (void *)prom_mapin(parent_ihandle, reg_ptr,
adr_cells, len);
return ((void *)((int32_t)rp & 0xffffffff));
}
void
kmdb_prom_preserve_kctx_init(void)
{
pnode_t pnode;
int val;
pnode = (pnode_t)prom_getphandle(prom_mmu_ihandle());
if (prom_getprop(pnode, PROM_KCTX_PRESERVED_PROPNAME,
(caddr_t)&val) == 0) {
kmdb_prom_preserve_kctx = 1;
}
}
ihandle_t
get_parent_ihandle(ihandle_t child_ihandle)
{
char parent_name[OBP_MAXPATHLEN];
phandle_t child_phandle, parent_phandle;
child_phandle = prom_getphandle(child_ihandle);
parent_phandle = prom_parentnode(child_phandle);
prom_phandle_to_path(parent_phandle, parent_name, OBP_MAXPATHLEN);
return (prom_open(parent_name));
}
/*
* 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);
}
