X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/18a0d8bbdf5091d39ce852c03a2a35000e1e0760..db9fad13f192963786c7ac90d305467ac00bd145:/include/state.h diff --git a/include/state.h b/include/state.h new file mode 100644 index 0000000..fd19612 --- /dev/null +++ b/include/state.h @@ -0,0 +1,99 @@ +/* state.h + * Definitions for SMM saved-state manipulation functions. + * NetWatch system management mode administration console + * + * Copyright 2009, Google Inc. + * 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. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "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 COPYRIGHT + * OWNER OR CONTRIBUTORS 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. + */ + +#ifndef __STATE_H +#define __STATE_H + +#include + +enum state_reg_t { + /* Common registers */ + STATE_REV, + STATE_REG_SMBASE, + STATE_REG_IORESTART, + STATE_REG_HALTRESTART, + + /* 32-bit registers (still available in 64-bit mode) */ + STATE_REG_EAX, + STATE_REG_EBX, + STATE_REG_ECX, + STATE_REG_EDX, + STATE_REG_ESI, + STATE_REG_EDI, + STATE_REG_ESP, + STATE_REG_EBP, + STATE_REG_EIP, + STATE_REG_EFLAGS, + STATE_REG_CR0, + STATE_REG_CR3, + + STATE_REG_CS, + STATE_REG_SS, + STATE_REG_DS, + STATE_REG_ES, + STATE_REG_FS, + STATE_REG_GS, + + /* 64-bit registers */ + STATE_REG_RAX, + STATE_REG_RBX, + STATE_REG_RCX, + STATE_REG_RDX, + STATE_REG_RSI, + STATE_REG_RDI, + STATE_REG_RSP, + STATE_REG_RBP, + STATE_REG_R8, + STATE_REG_R9, + STATE_REG_R10, + STATE_REG_R11, + STATE_REG_R12, + STATE_REG_R13, + STATE_REG_R14, + STATE_REG_R15, + STATE_REG_RIP +}; + +enum smm_type { + SMM_TYPE_UNKNOWN, + SMM_TYPE_32, + SMM_TYPE_64 +}; + +uint64_t state_get_reg (enum state_reg_t reg); +int state_reg_size (enum state_reg_t reg); +int state_set_reg (enum state_reg_t reg, uint64_t value); + +#endif /* __STATE_H */ +