uint32_t
tcg_hash_extend(uint32_t addr, uint32_t len, uint32_t pcr)
{
struct TCG_HashAll tcg_hash_all;
struct TCG_PassTroughtToTPM tcg_passtrough_to_tpm;
char _unused[0x22];
tcg_hash_all.ipb_length = 0x0010;
tcg_hash_all._reserved = 0x0000;
tcg_hash_all.hash_data_ptr = addr;
tcg_hash_all.hash_data_len = len;
tcg_hash_all.algorithm_id = TPM_ALGO_SHA1;
tcg_passtrough_to_tpm.ipb_length = 0x002a;
tcg_passtrough_to_tpm._reserved1 = 0x0000;
tcg_passtrough_to_tpm.opb_length = 0x0022;
tcg_passtrough_to_tpm._reserved2 = 0x0000;
tcg_passtrough_to_tpm.tpm_tag = __htons(TPM_TAG_RQU_COMMAND);
tcg_passtrough_to_tpm.input_size = __htonl(0x00000022);
tcg_passtrough_to_tpm.cmd_ordinal = __htonl(TPM_ORD_Extend);
tcg_passtrough_to_tpm.pcr = __htonl(pcr);
v86.addr = 0x1a;
v86.eax = 0xbb05;
v86.ebx = TCG_MAGIC;
v86.ecx = 0x00000000;
v86.edx = 0x00000000;
v86.es = VTOPSEG(&tcg_hash_all);
v86.edi = VTOPOFF(&tcg_hash_all);
v86.ds = VTOPSEG(&tcg_passtrough_to_tpm.hash);
v86.esi = VTOPOFF(&tcg_passtrough_to_tpm.hash);
v86int();
if (v86.eax != TCG_PC_OK)
return (v86.eax);
v86.addr = 0x1a;
v86.eax = 0xbb02;
v86.ebx = TCG_MAGIC;
v86.ecx = 0x00000000;
v86.edx = 0x00000000;
v86.es = VTOPSEG(&tcg_passtrough_to_tpm);
v86.edi = VTOPOFF(&tcg_passtrough_to_tpm);
v86.ds = VTOPSEG(&_unused);
v86.esi = VTOPOFF(&_unused);
v86int();
return (v86.eax);
}
uint32_t
htonl(uint32_t hl)
{
return (__htonl(hl));
}
