diff options
author | neal <neal> | 2007-11-16 13:35:00 +0000 |
---|---|---|
committer | neal <neal> | 2007-11-16 13:35:00 +0000 |
commit | e46ff816c662bc8b47dfc00bbe5501dbeffd93bb (patch) | |
tree | 16603b813cf7301b85b58f28217aa188825513d8 /viengoos/sigma0.c | |
parent | 17b21c229fe9756a2e9ec158b6bdf5c2ca9869a5 (diff) |
2007-11-16 Neal H. Walfield <neal@gnu.org>
* viengoos/Makefile.am: New file based on ../wortel/Makefile.am.
* viengoos/headers.m4: New file.
* viengoos/config.m4: New file based on ../wortel/config.m4.
* viengoos/viengoos.h: New file.
* viengoos/viengoos.c: New file.
* viengoos/activity.h: Likewise.
* viengoos/activity.c: Likewise.
* viengoos/as.h: Likewise.
* viengoos/as.c: Likewise.
* viengoos/cap-lookup.c: Likewise.
* viengoos/cap.h: Likewise.
* viengoos/cap.c: Likewise.
* viengoos/thread.h: New file.
* viengoos/thread.c: New file.
* viengoos/object.h: New file.
* viengoos/object.c: New file.
* viengoos/rm.h: New file.
* viengoos/server.c: New file.
* viengoos/server.h: New file.
* viengoos/zalloc.h: Copied from ../physmem.
* viengoos/zalloc.c: Copied from ../physmem.
Don't include "output.h".
Include <hurd/stddef.h>.
Change uses of min_page_size to PAGESIZE.
* viengoos/memory.h: New file.
* viengoos/memory.c: New file.
* viengoos/sigma0.c: Copy from ../wortel.
* viengoos/sigma0.h: Copy from ../wortel.
Don't include "shutdown.h".
Include <hurd/stddef.h>.
* viengoos/bits.h: Likewise.
* viengoos/panic.c: New file.
* viengoos/debug.c: Likewise.
* viengoos/debug.h: Likewise.
* viengoos/boot-modules.h: Likewise.
* viengoos/boot-modules.c: Likewise.
* viengoos/elf.h: Copied from ../wortel.
* viengoos/loader.c: New file based on ../wortel/loader.c.
* viengoos/loader.h: New file.
* viengoos/multiboot.h: Copied from Grub.
* viengoos/mmap.c: New file based on ../physmem/mmap.c.
* viengoos/malloc-wrap.c: New file based on ../physmem/malloc-wrap.c.
* viengoos/malloc.c: Version 2.8.3 of Doug Lea's malloc.c.
* viengoos/malloc.h: Version 2.8.3 of Doug Lea's malloc.h.
* viengoos/ia32-cmain.c: New file based on ../wortel/ia32-cmain.c.
* viengoos/ia32-crt0.S: Copied from ../wortel.
(STACK_SIZE): Use a 16 page stack.
* viengoos/ia32-output.c: Copied from ../wortel.
* viengoos/ia32-shutdown.c: Likewise.
* viengoos/output.h: New file based on ../wortel/output.h.
Include <stdarg.h>.
(cprintf): New definition.
(output_debug): Don't define.
(debug): Don't define.
* viengoos/output.c: New file based on ../wortel/output.c.
Don't include <stdlib.h>.
(vprintf): New function.
(printf): Implement in terms of vprintf.
* viengoos/output-none.c: Copied from ../wortel.
* viengoos/output-serial.c: Likewise.
* viengoos/output-stdio.c: New file.
* viengoos/output-vga.c: Copied from ../wortel.
* viengoos/shutdown.h: New file based on ../wortel/shutdown.h.
Don't include "output.h".
(panic): Don't define.
(shutdown): Rename from this...
(shutdown_machine): ... to this.
* viengoos/shutdown.c: New file based on ../wortel/shutdown.c.
(reset) [_L4_TEST_ENVIRONMENT]: Call abort.
(halt) [_L4_TEST_ENVIRONMENT]: Call abort.
(shutdown): Rename from this...
(shutdown_machine): ... to this.
* viengoos/t-environment.h: New file based on
../libl4/tests/environment.h.
Protect from multiple inclusion.
Include <hurd/stddef.h>.
Include <string.h>.
Include <l4/stubs.h>.
(program_name): New declaration.
(check_nr): Don't assume that val1 and val2 are _L4_word_t, use
typeof instead.
(main): Call output_init.
* viengoos/t-as.c: New file.
Diffstat (limited to 'viengoos/sigma0.c')
-rw-r--r-- | viengoos/sigma0.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/viengoos/sigma0.c b/viengoos/sigma0.c new file mode 100644 index 0000000..2a1973d --- /dev/null +++ b/viengoos/sigma0.c @@ -0,0 +1,148 @@ +/* Client code for sigma0. + Copyright (C) 2003 Free Software Foundation, Inc. + This file is part of the GNU Hurd. + + The GNU Hurd is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU Hurd is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#if HAVE_CONFIG_H +#include <config.h> +#endif + +#include <l4.h> + +#include <hurd/stddef.h> + +/* The thread ID of sigma0. */ +#define SIGMA0_TID (l4_global_id (l4_thread_user_base (), 1)) + +/* The message label for the sigma0 request page operation. This is + -6 in the upper 24 bits. */ +#define SIGMA0_RPC (0xffa0) + +/* The message label for undocumented sigma0 operations. This is + -1001 in the upper 24 bits. */ +#define SIGMA0_EXT (0xc170) + +/* For undocumented operations, this is the meaning of the first + untyped word in the message (MR1). */ +#define SIGMA0_EXT_SET_VERBOSITY 1 +#define SIGMA0_EXT_DUMP_MEMORY 2 + +/* Set the verbosity level in sigma0. The only levels used currently + are 1 to 3. Returns 0 on success, otherwise an IPC error code. */ +void +sigma0_set_verbosity (l4_word_t level) +{ + l4_msg_t msg; + l4_msg_tag_t tag; + + l4_msg_clear (msg); + l4_set_msg_label (msg, SIGMA0_EXT); + l4_msg_append_word (msg, SIGMA0_EXT_SET_VERBOSITY); + l4_msg_append_word (msg, level); + l4_msg_load (msg); + tag = l4_send (SIGMA0_TID); + if (l4_ipc_failed (tag)) + panic ("%s: request failed during %s: %u", __func__, + l4_error_code () & 1 ? "receive" : "send", + (l4_error_code () >> 1) & 0x7); +} + + +/* Request a memory dump from sigma0. If WAIT is true, wait until the + dump is completed before continuing. */ +void +sigma0_dump_memory (int wait) +{ + l4_msg_t msg; + l4_msg_tag_t tag; + + l4_msg_clear (msg); + l4_set_msg_label (msg, SIGMA0_EXT); + l4_msg_append_word (msg, SIGMA0_EXT_DUMP_MEMORY); + l4_msg_append_word (msg, wait); + l4_msg_load (msg); + if (wait) + tag = l4_call (SIGMA0_TID); + else + tag = l4_send (SIGMA0_TID); + if (l4_ipc_failed (tag)) + panic ("%s: request failed during %s: %u", __func__, + l4_error_code () & 1 ? "receive" : "send", + (l4_error_code () >> 1) & 0x7); +} + + +/* Request the fpage FPAGE from sigma0. */ +void +sigma0_get_fpage (l4_fpage_t fpage) +{ + l4_msg_t msg; + l4_msg_tag_t tag; + l4_map_item_t map_item; + + l4_accept (l4_map_grant_items (L4_COMPLETE_ADDRESS_SPACE)); + l4_msg_clear (msg); + l4_set_msg_label (msg, SIGMA0_RPC); + l4_msg_append_word (msg, fpage); + l4_msg_append_word (msg, L4_DEFAULT_MEMORY); + l4_msg_load (msg); + tag = l4_call (SIGMA0_TID); + if (l4_ipc_failed (tag)) + panic ("%s: request failed during %s: %u", __func__, + l4_error_code () & 1 ? "receive" : "send", + (l4_error_code () >> 1) & 0x7); + if (l4_untyped_words (tag) != 0 || l4_typed_words (tag) != 2) + panic ("%s: invalid format of sigma0 reply", __func__); + l4_msg_store (tag, msg); + l4_msg_get_map_item (msg, 0, &map_item); + if (l4_is_nil_fpage (l4_map_item_snd_fpage (map_item))) + panic ("%s: sigma0 rejected mapping", __func__); + if (l4_address (fpage) != l4_address (l4_map_item_snd_fpage (map_item))) + panic ("%s: sigma0 returned wrong address 0x%x (expected 0x%x)", + __func__, l4_address (l4_map_item_snd_fpage (map_item)), + l4_address (fpage)); +} + + +/* Request an fpage of the size 2^SIZE from sigma0. The fpage will be + fully accessible. */ +l4_fpage_t +sigma0_get_any (unsigned int size) +{ + l4_msg_t msg; + l4_msg_tag_t tag; + l4_map_item_t map_item; + l4_fpage_t fpage = l4_fpage_log2 (-1, size); + + l4_accept (l4_map_grant_items (L4_COMPLETE_ADDRESS_SPACE)); + l4_msg_clear (msg); + l4_set_msg_label (msg, SIGMA0_RPC); + l4_msg_append_word (msg, fpage); + l4_msg_append_word (msg, L4_DEFAULT_MEMORY); + l4_msg_load (msg); + tag = l4_call (SIGMA0_TID); + if (l4_ipc_failed (tag)) + panic ("%s: request failed during %s: %u", __func__, + l4_error_code () & 1 ? "receive" : "send", + (l4_error_code () >> 1) & 0x7); + if (l4_untyped_words (tag) != 0 + || l4_typed_words (tag) != 2) + panic ("%s: invalid format of sigma0 reply", __func__); + l4_msg_store (tag, msg); + l4_msg_get_map_item (msg, 0, &map_item); + return l4_map_item_snd_fpage (map_item); +} |