+ /* cpu_node = prom_finddevice("/cpu") */
+ mov (1b - prom_finddev_name), %l1
+ mov (1b - prom_cpu_path), %l2
+ sub %l0, %l1, %l1
+ sub %l0, %l2, %l2
+ sub %sp, (192 + 128), %sp
+
+ stx %l1, [%sp + 2047 + 128 + 0x00] ! service, "finddevice"
+ mov 1, %l3
+ stx %l3, [%sp + 2047 + 128 + 0x08] ! num_args, 1
+ stx %l3, [%sp + 2047 + 128 + 0x10] ! num_rets, 1
+ stx %l2, [%sp + 2047 + 128 + 0x18] ! arg1, "/cpu"
+ stx %g0, [%sp + 2047 + 128 + 0x20] ! ret1
+ call %l7
+ add %sp, (2047 + 128), %o0 ! argument array
+
+ ldx [%sp + 2047 + 128 + 0x20], %l4 ! cpu device node
+
+ mov (1b - prom_getprop_name), %l1
+ mov (1b - prom_compatible_name), %l2
+ mov (1b - prom_cpu_compatible), %l5
+ sub %l0, %l1, %l1
+ sub %l0, %l2, %l2
+ sub %l0, %l5, %l5
+
+ /* prom_getproperty(cpu_node, "compatible",
+ * &prom_cpu_compatible, 64)
+ */
+ stx %l1, [%sp + 2047 + 128 + 0x00] ! service, "getprop"
+ mov 4, %l3
+ stx %l3, [%sp + 2047 + 128 + 0x08] ! num_args, 4
+ mov 1, %l3
+ stx %l3, [%sp + 2047 + 128 + 0x10] ! num_rets, 1
+ stx %l4, [%sp + 2047 + 128 + 0x18] ! arg1, cpu_node
+ stx %l2, [%sp + 2047 + 128 + 0x20] ! arg2, "compatible"
+ stx %l5, [%sp + 2047 + 128 + 0x28] ! arg3, &prom_cpu_compatible
+ mov 64, %l3
+ stx %l3, [%sp + 2047 + 128 + 0x30] ! arg4, size
+ stx %g0, [%sp + 2047 + 128 + 0x38] ! ret1
+ call %l7
+ add %sp, (2047 + 128), %o0 ! argument array
+
+ add %sp, (192 + 128), %sp
+
+ sethi %hi(prom_cpu_compatible), %g1
+ or %g1, %lo(prom_cpu_compatible), %g1
+ sethi %hi(prom_niagara_prefix), %g7
+ or %g7, %lo(prom_niagara_prefix), %g7
+ mov 17, %g3
+90: ldub [%g7], %g2
+ ldub [%g1], %g4
+ cmp %g2, %g4
+ bne,pn %icc, 4f
+ add %g7, 1, %g7
+ subcc %g3, 1, %g3
+ bne,pt %xcc, 90b
+ add %g1, 1, %g1
+
+ sethi %hi(prom_cpu_compatible), %g1
+ or %g1, %lo(prom_cpu_compatible), %g1
+ ldub [%g1 + 17], %g2
+ cmp %g2, '1'
+ be,pt %xcc, 5f
+ mov SUN4V_CHIP_NIAGARA1, %g4
+ cmp %g2, '2'
+ be,pt %xcc, 5f
+ mov SUN4V_CHIP_NIAGARA2, %g4
+4:
+ mov SUN4V_CHIP_UNKNOWN, %g4
+5: sethi %hi(sun4v_chip_type), %g2
+ or %g2, %lo(sun4v_chip_type), %g2
+ stw %g4, [%g2]
+
+80: