#include "asm/processor.h"
#include "errors.h"
#include "debug.h"
+#include "string.h"
#define READ_BLOCKS_USE_READ 1
ihandle prom_stdin, prom_stdout;
-//extern int vsprintf(char *buf, const char *fmt, va_list args);
-
static ihandle prom_mem, prom_mmu;
static ihandle prom_chosen, prom_options;
return (int)call_prom ("getprop", 4, 1, pack, name, mem, len);
}
+int
+prom_getproplen(prom_handle pack, const char *name)
+{
+ return (int)call_prom("getproplen", 2, 1, pack, name);
+}
+
+int
+prom_setprop (prom_handle pack, char *name, void *mem, int len)
+{
+ return (int)call_prom ("setprop", 4, 1, pack, name, mem, len);
+}
+
int
prom_get_chosen (char *name, void *mem, int len)
{
return prom_getprop (prom_options, name, mem, len);
}
+int
+prom_set_options (char *name, void *mem, int len)
+{
+ if (prom_options == (void *)-1)
+ return -1;
+ return prom_setprop (prom_options, name, mem, len);
+}
+
int
prom_get_devtype (char *device)
{
int result;
char tmp[64];
+ if (strstr(device, TOK_ISCSI))
+ device = strcpy(tmp, "/vdevice/gscsi/disk");
+
/* Find OF device phandle */
dev = prom_finddevice(device);
if (dev == PROM_INVALID_HANDLE) {
while (prom_getms() <= end);
}
+/* if address given is claimed look for other addresses to get the needed
+ * space before giving up
+ */
+void *
+prom_claim_chunk(void *virt, unsigned int size, unsigned int align)
+{
+ void *found, *addr;
+ for(addr=virt; addr <= (void*)PROM_CLAIM_MAX_ADDR;
+ addr+=(0x100000/sizeof(addr))) {
+ found = prom_claim(addr, size, 0);
+ if (found != (void *)-1) {
+ DEBUG_F("claimed %i at 0x%x (0x%x)\n",size,(int)found,(int)virt);
+ return(found);
+ }
+ }
+ prom_printf("Claim error, can't allocate %x at 0x%x\n",size,(int)virt);
+ return((void*)-1);
+}
+
void *
prom_claim (void *virt, unsigned int size, unsigned int align)
{
prom_release(void *virt, unsigned int size)
{
call_prom ("release", 2, 0, virt, size);
-#if 0 /* this is bullshit, newworld OF RELEASE method works fine. */
-
- /* release in not enough, it needs also an unmap call. This bit of forth
- * code inspired from Darwin's bootloader but could be replaced by direct
- * calls to the MMU package if needed
- */
- call_prom ("interpret", 3, 1,
-#if DEBUG
- ".\" ReleaseMem:\" 2dup . . cr "
-#endif
- "over \" translate\" ^mmu " // Find out physical base
- "^on0 " // Bail if translation failed
- "drop " // Leaving phys on top of stack
- "2dup \" unmap\" ^mmu " // Unmap the space first
- "2dup \" release\" ^mmu " // Then free the virtual pages
- "\" release\" ^mem " // Then free the physical pages
- ,size, virt
- );
-#endif /* bullshit */
}
void
call_prom("enter", 0, 0);
}
+/*
+ * prom_get_netinfo()
+ * returns the packet with all needed info for netboot
+ */
+struct bootp_packet * prom_get_netinfo (void)
+{
+ void *bootp_response = NULL;
+ char *propname;
+ struct bootp_packet *packet;
+ /* struct bootp_packet contains a VLA, so sizeof won't work.
+ the VLA /must/ be the last field in the structure so use it's
+ offset as a good estimate of the packet size */
+ size_t packet_size = offsetof(struct bootp_packet, options);
+ int i = 0, size, offset = 0;
+ prom_handle chosen;
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
+
+ chosen = prom_finddevice("/chosen");
+ if (chosen < 0) {
+ DEBUG_F("chosen=%d\n", chosen);
+ return 0;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(bootp_response_properties); i++) {
+ propname = bootp_response_properties[i].name;
+ size = prom_getproplen(chosen, propname);
+ if (size <= 0)
+ continue;
+
+ DEBUG_F("using /chosen/%s\n", propname);
+ offset = bootp_response_properties[i].offset;
+ break;
+ }
+
+ if (size <= 0)
+ return NULL;
+
+ if (packet_size > size - offset) {
+ prom_printf("Malformed %s property?\n", propname);
+ return NULL;
+ }
+
+ bootp_response = malloc(size);
+ if (!bootp_response)
+ return NULL;
+
+ if (prom_getprop(chosen, propname, bootp_response, size) < 0)
+ return NULL;
+
+ packet = bootp_response + offset;
+ return packet;
+}
+
+/*
+ * prom_get_mac()
+ * returns the mac addr of an net card
+ */
+char * prom_get_mac (struct bootp_packet * packet)
+{
+ char * conf_path;
+ int i;
+
+ if (!packet)
+ return NULL;
+
+ /* 3 chars per byte in chaddr + \0 */
+ conf_path = malloc(packet->hlen * 3 + 1);
+ if (!conf_path)
+ return NULL;
+ sprintf(conf_path, "%02x", packet->chaddr[0]);
+
+ for (i = 1; i < packet->hlen; i++) {
+ char tmp[4];
+ sprintf(tmp, "-%02x", packet->chaddr[i]);
+ strcat(conf_path, tmp);
+ }
+
+ return conf_path;
+}
+
+/*
+ * prom_get_ip()
+ * returns the ip addr of an net card
+ */
+char * prom_get_ip (struct bootp_packet * packet)
+{
+ char * conf_path;
+
+ if (!packet)
+ return NULL;
+
+ /* 8 chars in yiaddr + \0 */
+ conf_path = malloc(9);
+ if (!conf_path)
+ return NULL;
+ sprintf(conf_path, "%08x", packet->yiaddr);
+
+ return conf_path;
+}
+
/*
* Local variables:
* c-file-style: "k&r"