diff options
Diffstat (limited to 'c/src/lib/libbsp/sparc64/shared/helenos/boot/sparc64/loader/ofwarch.c')
| -rw-r--r-- | c/src/lib/libbsp/sparc64/shared/helenos/boot/sparc64/loader/ofwarch.c | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/c/src/lib/libbsp/sparc64/shared/helenos/boot/sparc64/loader/ofwarch.c b/c/src/lib/libbsp/sparc64/shared/helenos/boot/sparc64/loader/ofwarch.c deleted file mode 100644 index 318b4dc305..0000000000 --- a/c/src/lib/libbsp/sparc64/shared/helenos/boot/sparc64/loader/ofwarch.c +++ /dev/null @@ -1,182 +0,0 @@ -/* - * Copyright (c) 2005 Martin Decky - * Copyright (c) 2006 Jakub Jermar - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * - Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/** - * @file - * @brief Architecture dependent parts of OpenFirmware interface. - */ - -/* - * Modifications are made to compile for RTEMS. Removes asm.h and printf.h. - * Removes write(). - * - */ - - -#include <boot/ofwarch.h> -#include <boot/ofw.h> -#include <string.h> -#include <boot/register.h> -#include <boot/main.h> -#if 0 -#include "asm.h" -#include <printf.h> -#endif - -#if 0 /* contaminates libc */ -void write(const char *str, const int len) -{ - int i; - - for (i = 0; i < len; i++) { - if (str[i] == '\n') - ofw_write("\r", 1); - ofw_write(&str[i], 1); - } -} -#endif - -int ofw_translate_failed(ofw_arg_t flag) -{ - return flag != -1; -} - -/** - * Starts all CPUs represented by following siblings of the given node, - * except for the current CPU. - * - * @param child The first child of the OFW tree node whose children - * represent CPUs to be woken up. - * @param current_mid MID of the current CPU, the current CPU will - * (of course) not be woken up. - * @param physmem_start Starting address of the physical memory. - * - * @return Number of CPUs which have the same parent node as - * "child". - * - */ -static int wake_cpus_in_node(phandle child, uint64_t current_mid, - uintptr_t physmem_start) -{ - int cpus; - - for (cpus = 0; (child != 0) && (child != -1); - child = ofw_get_peer_node(child), cpus++) { - char type_name[OFW_TREE_PROPERTY_MAX_VALUELEN]; - - if (ofw_get_property(child, "device_type", type_name, - OFW_TREE_PROPERTY_MAX_VALUELEN) > 0) { - type_name[OFW_TREE_PROPERTY_MAX_VALUELEN - 1] = 0; - if (strcmp(type_name, "cpu") == 0) { - uint32_t mid; - - /* - * "upa-portid" for US, "portid" for US-III, - * "cpuid" for US-IV - */ - if ((ofw_get_property(child, "upa-portid", &mid, sizeof(mid)) <= 0) - && (ofw_get_property(child, "portid", &mid, sizeof(mid)) <= 0) - && (ofw_get_property(child, "cpuid", &mid, sizeof(mid)) <= 0)) - continue; - - if (current_mid != mid) { - /* - * Start secondary processor. - */ - (void) ofw_call("SUNW,start-cpu", 3, 1, - NULL, child, KERNEL_VIRTUAL_ADDRESS, - physmem_start | AP_PROCESSOR); - } - } - } - } - - return cpus; -} - -/** - * Finds out the current CPU's MID and wakes up all AP processors. - */ -int ofw_cpu(uint16_t mid_mask, uintptr_t physmem_start) -{ - /* Get the current CPU MID */ - uint64_t current_mid; - - asm volatile ( - "ldxa [%1] %2, %0\n" - : "=r" (current_mid) - : "r" (0), "i" (ASI_ICBUS_CONFIG) - ); - - current_mid >>= ICBUS_CONFIG_MID_SHIFT; - current_mid &= mid_mask; - - /* Wake up the CPUs */ - - phandle cpus_parent = ofw_find_device("/ssm@0,0"); - if ((cpus_parent == 0) || (cpus_parent == -1)) - cpus_parent = ofw_find_device("/"); - - phandle node = ofw_get_child_node(cpus_parent); - int cpus = wake_cpus_in_node(node, current_mid, physmem_start); - while ((node != 0) && (node != -1)) { - char name[OFW_TREE_PROPERTY_MAX_VALUELEN]; - - if (ofw_get_property(node, "name", name, - OFW_TREE_PROPERTY_MAX_VALUELEN) > 0) { - name[OFW_TREE_PROPERTY_MAX_VALUELEN - 1] = 0; - if (strcmp(name, "cmp") == 0) { - phandle subnode = ofw_get_child_node(node); - cpus += wake_cpus_in_node(subnode, - current_mid, physmem_start); - } - } - node = ofw_get_peer_node(node); - } - - return cpus; -} - -/** Get physical memory starting address. - * - * @param start Pointer to variable where the physical memory starting - * address will be stored. - * - * @return Non-zero on succes, zero on failure. - * - */ -int ofw_get_physmem_start(uintptr_t *start) -{ - uint32_t memreg[4]; - if (ofw_get_property(ofw_memory, "reg", &memreg, sizeof(memreg)) <= 0) - return 0; - - *start = (((uint64_t) memreg[0]) << 32) | memreg[1]; - return 1; -} |