diff options
Diffstat (limited to 'contrib/syslinux/latest/com32/lib/syslinux/shuffle_pm.c')
-rw-r--r-- | contrib/syslinux/latest/com32/lib/syslinux/shuffle_pm.c | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/contrib/syslinux/latest/com32/lib/syslinux/shuffle_pm.c b/contrib/syslinux/latest/com32/lib/syslinux/shuffle_pm.c deleted file mode 100644 index 5e3183b..0000000 --- a/contrib/syslinux/latest/com32/lib/syslinux/shuffle_pm.c +++ /dev/null @@ -1,77 +0,0 @@ -/* ----------------------------------------------------------------------- * - * - * Copyright 2007-2009 H. Peter Anvin - All Rights Reserved - * Copyright 2009 Intel Corporation; author: H. Peter Anvin - * - * Permission is hereby granted, free of charge, to any person - * obtaining a copy of this software and associated documentation - * files (the "Software"), to deal in the Software without - * restriction, including without limitation the rights to use, - * copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom - * the Software is furnished to do so, subject to the following - * conditions: - * - * The above copyright notice and this permission notice shall - * be included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES - * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT - * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - * ----------------------------------------------------------------------- */ - -/* - * shuffle_pm.c - * - * Shuffle and boot to protected mode code - */ - -#include <inttypes.h> -#include <syslinux/movebits.h> -#include <syslinux/bootpm.h> - -int syslinux_shuffle_boot_pm(struct syslinux_movelist *fraglist, - struct syslinux_memmap *memmap, - uint16_t bootflags, struct syslinux_pm_regs *regs) -{ - uint8_t handoff_code[9 * 5], *p; - const uint32_t *rp; - int i, rv; - struct syslinux_memmap *tmap; - addr_t regstub, stublen; - - tmap = syslinux_target_memmap(fraglist, memmap); - if (!tmap) - return -1; - - regstub = 0x800; /* Locate anywhere above this point */ - stublen = sizeof handoff_code; - rv = syslinux_memmap_find(tmap, SMT_FREE, ®stub, &stublen, 1); - syslinux_free_memmap(tmap); - if (rv) - return -1; - - /* Build register-setting stub */ - p = handoff_code; - rp = (const uint32_t *)regs; - for (i = 0; i < 8; i++) { - *p = 0xb8 + i; /* MOV gpr,imm32 */ - *(uint32_t *) (p + 1) = *rp++; - p += 5; - } - *p = 0xe9; /* JMP */ - *(uint32_t *) (p + 1) = regs->eip - regstub - sizeof handoff_code; - - /* Add register-setting stub to shuffle list */ - if (syslinux_add_movelist(&fraglist, regstub, (addr_t) handoff_code, - sizeof handoff_code)) - return -1; - - return syslinux_do_shuffle(fraglist, memmap, regstub, 1, bootflags); -} |