[e16e8f2] | 1 | /* ----------------------------------------------------------------------- * |
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| 2 | * |
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| 3 | * Copyright 2009-2010 Intel Corporation; author: H. Peter Anvin |
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| 4 | * |
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| 5 | * Permission is hereby granted, free of charge, to any person |
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| 6 | * obtaining a copy of this software and associated documentation |
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| 7 | * files (the "Software"), to deal in the Software without |
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| 8 | * restriction, including without limitation the rights to use, |
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| 9 | * copy, modify, merge, publish, distribute, sublicense, and/or |
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| 10 | * sell copies of the Software, and to permit persons to whom |
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| 11 | * the Software is furnished to do so, subject to the following |
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| 12 | * conditions: |
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| 13 | * |
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| 14 | * The above copyright notice and this permission notice shall |
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| 15 | * be included in all copies or substantial portions of the Software. |
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| 16 | * |
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| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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| 18 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES |
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| 19 | * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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| 20 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
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| 21 | * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
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| 22 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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| 23 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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| 24 | * OTHER DEALINGS IN THE SOFTWARE. |
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| 25 | * |
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| 26 | * ----------------------------------------------------------------------- */ |
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| 27 | |
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| 28 | /* |
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| 29 | * solaris.c |
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| 30 | * |
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| 31 | * Solaris DHCP hack |
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| 32 | * |
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| 33 | * Solaris uses a nonstandard hack to pass DHCP information from a netboot. |
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| 34 | */ |
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| 35 | |
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| 36 | #include "mboot.h" |
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| 37 | #include <syslinux/pxe.h> |
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| 38 | #include <syslinux/config.h> |
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| 39 | |
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| 40 | bool kernel_is_solaris(const Elf32_Ehdr *eh) |
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| 41 | { |
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| 42 | return eh->e_ident[EI_OSABI] == 6; /* ABI == Solaris */ |
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| 43 | } |
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| 44 | |
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| 45 | void mboot_solaris_dhcp_hack(void) |
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| 46 | { |
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| 47 | void *dhcpdata; |
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| 48 | size_t dhcplen; |
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| 49 | |
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| 50 | if (syslinux_derivative_info()->c.filesystem != SYSLINUX_FS_PXELINUX) |
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| 51 | return; |
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| 52 | |
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| 53 | if (!pxe_get_cached_info(PXENV_PACKET_TYPE_DHCP_ACK, &dhcpdata, &dhcplen)) { |
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| 54 | mbinfo.drives_addr = map_data(dhcpdata, dhcplen, 4, 0); |
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| 55 | if (mbinfo.drives_addr) { |
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| 56 | mbinfo.drives_length = dhcplen; |
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| 57 | mbinfo.boot_device = 0x20ffffff; |
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| 58 | mbinfo.flags = |
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| 59 | (mbinfo.flags & ~MB_INFO_DRIVE_INFO) | MB_INFO_BOOTDEV; |
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| 60 | } |
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| 61 | } |
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| 62 | } |
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