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-rw-r--r--libipt/src/pt_encoder.c919
1 files changed, 919 insertions, 0 deletions
diff --git a/libipt/src/pt_encoder.c b/libipt/src/pt_encoder.c
new file mode 100644
index 000000000000..a34ef12466cf
--- /dev/null
+++ b/libipt/src/pt_encoder.c
@@ -0,0 +1,919 @@
+/*
+ * Copyright (c) 2014-2019, Intel Corporation
+ *
+ * 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 Intel Corporation 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.
+ */
+
+#include "pt_encoder.h"
+#include "pt_config.h"
+#include "pt_opcodes.h"
+
+#include <string.h>
+#include <stdlib.h>
+
+
+int pt_encoder_init(struct pt_encoder *encoder, const struct pt_config *config)
+{
+ int errcode;
+
+ if (!encoder)
+ return -pte_invalid;
+
+ memset(encoder, 0, sizeof(*encoder));
+
+ errcode = pt_config_from_user(&encoder->config, config);
+ if (errcode < 0)
+ return errcode;
+
+ encoder->pos = encoder->config.begin;
+
+ return 0;
+}
+
+void pt_encoder_fini(struct pt_encoder *encoder)
+{
+ (void) encoder;
+
+ /* Nothing to do. */
+}
+
+struct pt_encoder *pt_alloc_encoder(const struct pt_config *config)
+{
+ struct pt_encoder *encoder;
+ int errcode;
+
+ encoder = malloc(sizeof(*encoder));
+ if (!encoder)
+ return NULL;
+
+ errcode = pt_encoder_init(encoder, config);
+ if (errcode < 0) {
+ free(encoder);
+ return NULL;
+ }
+
+ return encoder;
+}
+
+void pt_free_encoder(struct pt_encoder *encoder)
+{
+ pt_encoder_fini(encoder);
+ free(encoder);
+}
+
+int pt_enc_sync_set(struct pt_encoder *encoder, uint64_t offset)
+{
+ uint8_t *begin, *end, *pos;
+
+ if (!encoder)
+ return -pte_invalid;
+
+ begin = encoder->config.begin;
+ end = encoder->config.end;
+ pos = begin + offset;
+
+ if (end < pos || pos < begin)
+ return -pte_eos;
+
+ encoder->pos = pos;
+ return 0;
+}
+
+int pt_enc_get_offset(const struct pt_encoder *encoder, uint64_t *offset)
+{
+ const uint8_t *raw, *begin;
+
+ if (!encoder || !offset)
+ return -pte_invalid;
+
+ /* The encoder is synchronized at all times. */
+ raw = encoder->pos;
+ if (!raw)
+ return -pte_internal;
+
+ begin = encoder->config.begin;
+ if (!begin)
+ return -pte_internal;
+
+ *offset = (uint64_t) (int64_t) (raw - begin);
+ return 0;
+}
+
+const struct pt_config *pt_enc_get_config(const struct pt_encoder *encoder)
+{
+ if (!encoder)
+ return NULL;
+
+ return &encoder->config;
+}
+
+/* Check the remaining space.
+ *
+ * Returns zero if there are at least \@size bytes of free space available in
+ * \@encoder's Intel PT buffer.
+ *
+ * Returns -pte_eos if not enough space is available.
+ * Returns -pte_internal if \@encoder is NULL.
+ * Returns -pte_internal if \@encoder is not synchronized.
+ */
+static int pt_reserve(const struct pt_encoder *encoder, unsigned int size)
+{
+ const uint8_t *begin, *end, *pos;
+
+ if (!encoder)
+ return -pte_internal;
+
+ /* The encoder is synchronized at all times. */
+ pos = encoder->pos;
+ if (!pos)
+ return -pte_internal;
+
+ begin = encoder->config.begin;
+ end = encoder->config.end;
+
+ pos += size;
+ if (pos < begin || end < pos)
+ return -pte_eos;
+
+ return 0;
+}
+
+/* Return the size of an IP payload based on its IP compression.
+ *
+ * Returns -pte_bad_packet if \@ipc is not a valid IP compression.
+ */
+static int pt_ipc_size(enum pt_ip_compression ipc)
+{
+ switch (ipc) {
+ case pt_ipc_suppressed:
+ return 0;
+
+ case pt_ipc_update_16:
+ return pt_pl_ip_upd16_size;
+
+ case pt_ipc_update_32:
+ return pt_pl_ip_upd32_size;
+
+ case pt_ipc_update_48:
+ return pt_pl_ip_upd48_size;
+
+ case pt_ipc_sext_48:
+ return pt_pl_ip_sext48_size;
+
+ case pt_ipc_full:
+ return pt_pl_ip_full_size;
+ }
+
+ return -pte_invalid;
+}
+
+/* Encode an integer value.
+ *
+ * Writes the \@size least signifficant bytes of \@value starting from \@pos.
+ *
+ * The caller needs to ensure that there is enough space available.
+ *
+ * Returns the updated position.
+ */
+static uint8_t *pt_encode_int(uint8_t *pos, uint64_t val, int size)
+{
+ for (; size; --size, val >>= 8)
+ *pos++ = (uint8_t) val;
+
+ return pos;
+}
+
+/* Encode an IP packet.
+ *
+ * Write an IP packet with opcode \@opc and payload from \@packet if there is
+ * enough space in \@encoder's Intel PT buffer.
+ *
+ * Returns the number of bytes written on success.
+ *
+ * Returns -pte_eos if there is not enough space.
+ * Returns -pte_internal if \@encoder or \@packet is NULL.
+ * Returns -pte_invalid if \@packet.ipc is not valid.
+ */
+static int pt_encode_ip(struct pt_encoder *encoder, enum pt_opcode op,
+ const struct pt_packet_ip *packet)
+{
+ uint8_t *pos;
+ uint8_t opc, ipc;
+ int size, errcode;
+
+ if (!encoder || !packet)
+ return pte_internal;
+
+ size = pt_ipc_size(packet->ipc);
+ if (size < 0)
+ return size;
+
+ errcode = pt_reserve(encoder,
+ /* opc size = */ 1u + (unsigned int) size);
+ if (errcode < 0)
+ return errcode;
+
+ /* We already checked the ipc in pt_ipc_size(). */
+ ipc = (uint8_t) (packet->ipc << pt_opm_ipc_shr);
+ opc = (uint8_t) op;
+
+ pos = encoder->pos;
+ *pos++ = opc | ipc;
+
+ encoder->pos = pt_encode_int(pos, packet->ip, size);
+ return /* opc size = */ 1 + size;
+}
+
+int pt_enc_next(struct pt_encoder *encoder, const struct pt_packet *packet)
+{
+ uint8_t *pos, *begin;
+ int errcode;
+
+ if (!encoder || !packet)
+ return -pte_invalid;
+
+ pos = begin = encoder->pos;
+ switch (packet->type) {
+ case ppt_pad:
+ errcode = pt_reserve(encoder, ptps_pad);
+ if (errcode < 0)
+ return errcode;
+
+ *pos++ = pt_opc_pad;
+
+ encoder->pos = pos;
+ return (int) (pos - begin);
+
+ case ppt_psb: {
+ uint64_t psb;
+
+ errcode = pt_reserve(encoder, ptps_psb);
+ if (errcode < 0)
+ return errcode;
+
+ psb = ((uint64_t) pt_psb_hilo << 48 |
+ (uint64_t) pt_psb_hilo << 32 |
+ (uint64_t) pt_psb_hilo << 16 |
+ (uint64_t) pt_psb_hilo);
+
+ pos = pt_encode_int(pos, psb, 8);
+ pos = pt_encode_int(pos, psb, 8);
+
+ encoder->pos = pos;
+ return (int) (pos - begin);
+ }
+
+ case ppt_psbend:
+ errcode = pt_reserve(encoder, ptps_psbend);
+ if (errcode < 0)
+ return errcode;
+
+ *pos++ = pt_opc_ext;
+ *pos++ = pt_ext_psbend;
+
+ encoder->pos = pos;
+ return (int) (pos - begin);
+
+ case ppt_ovf:
+ errcode = pt_reserve(encoder, ptps_ovf);
+ if (errcode < 0)
+ return errcode;
+
+ *pos++ = pt_opc_ext;
+ *pos++ = pt_ext_ovf;
+
+ encoder->pos = pos;
+ return (int) (pos - begin);
+
+ case ppt_fup:
+ return pt_encode_ip(encoder, pt_opc_fup, &packet->payload.ip);
+
+ case ppt_tip:
+ return pt_encode_ip(encoder, pt_opc_tip, &packet->payload.ip);
+
+ case ppt_tip_pge:
+ return pt_encode_ip(encoder, pt_opc_tip_pge,
+ &packet->payload.ip);
+
+ case ppt_tip_pgd:
+ return pt_encode_ip(encoder, pt_opc_tip_pgd,
+ &packet->payload.ip);
+
+ case ppt_tnt_8: {
+ uint8_t opc, stop;
+
+ if (packet->payload.tnt.bit_size >= 7)
+ return -pte_bad_packet;
+
+ errcode = pt_reserve(encoder, ptps_tnt_8);
+ if (errcode < 0)
+ return errcode;
+
+ stop = packet->payload.tnt.bit_size + pt_opm_tnt_8_shr;
+ opc = (uint8_t)
+ (packet->payload.tnt.payload << pt_opm_tnt_8_shr);
+
+ *pos++ = (uint8_t) (opc | (1u << stop));
+
+ encoder->pos = pos;
+ return (int) (pos - begin);
+ }
+
+ case ppt_tnt_64: {
+ uint64_t tnt, stop;
+
+ errcode = pt_reserve(encoder, ptps_tnt_64);
+ if (errcode < 0)
+ return errcode;
+
+ if (packet->payload.tnt.bit_size >= pt_pl_tnt_64_bits)
+ return -pte_invalid;
+
+ stop = 1ull << packet->payload.tnt.bit_size;
+ tnt = packet->payload.tnt.payload;
+
+ if (tnt & ~(stop - 1))
+ return -pte_invalid;
+
+ *pos++ = pt_opc_ext;
+ *pos++ = pt_ext_tnt_64;
+ pos = pt_encode_int(pos, tnt | stop, pt_pl_tnt_64_size);
+
+ encoder->pos = pos;
+ return (int) (pos - begin);
+ }
+
+ case ppt_mode: {
+ uint8_t mode;
+
+ errcode = pt_reserve(encoder, ptps_mode);
+ if (errcode < 0)
+ return errcode;
+
+ switch (packet->payload.mode.leaf) {
+ default:
+ return -pte_bad_packet;
+
+ case pt_mol_exec:
+ mode = pt_mol_exec;
+
+ if (packet->payload.mode.bits.exec.csl)
+ mode |= pt_mob_exec_csl;
+
+ if (packet->payload.mode.bits.exec.csd)
+ mode |= pt_mob_exec_csd;
+ break;
+
+ case pt_mol_tsx:
+ mode = pt_mol_tsx;
+
+ if (packet->payload.mode.bits.tsx.intx)
+ mode |= pt_mob_tsx_intx;
+
+ if (packet->payload.mode.bits.tsx.abrt)
+ mode |= pt_mob_tsx_abrt;
+ break;
+ }
+
+ *pos++ = pt_opc_mode;
+ *pos++ = mode;
+
+ encoder->pos = pos;
+ return (int) (pos - begin);
+ }
+
+ case ppt_pip: {
+ uint64_t cr3;
+
+ errcode = pt_reserve(encoder, ptps_pip);
+ if (errcode < 0)
+ return errcode;
+
+ cr3 = packet->payload.pip.cr3;
+ cr3 >>= pt_pl_pip_shl;
+ cr3 <<= pt_pl_pip_shr;
+
+ if (packet->payload.pip.nr)
+ cr3 |= (uint64_t) pt_pl_pip_nr;
+
+ *pos++ = pt_opc_ext;
+ *pos++ = pt_ext_pip;
+ pos = pt_encode_int(pos, cr3, pt_pl_pip_size);
+
+ encoder->pos = pos;
+ return (int) (pos - begin);
+ }
+
+ case ppt_tsc:
+ errcode = pt_reserve(encoder, ptps_tsc);
+ if (errcode < 0)
+ return errcode;
+
+ *pos++ = pt_opc_tsc;
+ pos = pt_encode_int(pos, packet->payload.tsc.tsc,
+ pt_pl_tsc_size);
+
+ encoder->pos = pos;
+ return (int) (pos - begin);
+
+ case ppt_cbr:
+ errcode = pt_reserve(encoder, ptps_cbr);
+ if (errcode < 0)
+ return errcode;
+
+ *pos++ = pt_opc_ext;
+ *pos++ = pt_ext_cbr;
+ *pos++ = packet->payload.cbr.ratio;
+ *pos++ = 0;
+
+ encoder->pos = pos;
+ return (int) (pos - begin);
+
+ case ppt_tma: {
+ uint16_t ctc, fc;
+
+ errcode = pt_reserve(encoder, ptps_tma);
+ if (errcode < 0)
+ return errcode;
+
+ ctc = packet->payload.tma.ctc;
+ fc = packet->payload.tma.fc;
+
+ if (fc & ~pt_pl_tma_fc_mask)
+ return -pte_bad_packet;
+
+ *pos++ = pt_opc_ext;
+ *pos++ = pt_ext_tma;
+ pos = pt_encode_int(pos, ctc, pt_pl_tma_ctc_size);
+ *pos++ = 0;
+ pos = pt_encode_int(pos, fc, pt_pl_tma_fc_size);
+
+ encoder->pos = pos;
+ return (int) (pos - begin);
+ }
+
+ case ppt_mtc:
+ errcode = pt_reserve(encoder, ptps_mtc);
+ if (errcode < 0)
+ return errcode;
+
+ *pos++ = pt_opc_mtc;
+ *pos++ = packet->payload.mtc.ctc;
+
+ encoder->pos = pos;
+ return (int) (pos - begin);
+
+ case ppt_cyc: {
+ uint8_t byte[pt_pl_cyc_max_size], index, end;
+ uint64_t ctc;
+
+ ctc = (uint8_t) packet->payload.cyc.value;
+ ctc <<= pt_opm_cyc_shr;
+
+ byte[0] = pt_opc_cyc;
+ byte[0] |= (uint8_t) ctc;
+
+ ctc = packet->payload.cyc.value;
+ ctc >>= (8 - pt_opm_cyc_shr);
+ if (ctc)
+ byte[0] |= pt_opm_cyc_ext;
+
+ for (end = 1; ctc; ++end) {
+ /* Check if the CYC payload is too big. */
+ if (pt_pl_cyc_max_size <= end)
+ return -pte_bad_packet;
+
+ ctc <<= pt_opm_cycx_shr;
+
+ byte[end] = (uint8_t) ctc;
+
+ ctc >>= 8;
+ if (ctc)
+ byte[end] |= pt_opm_cycx_ext;
+ }
+
+ errcode = pt_reserve(encoder, end);
+ if (errcode < 0)
+ return errcode;
+
+ for (index = 0; index < end; ++index)
+ *pos++ = byte[index];
+
+ encoder->pos = pos;
+ return (int) (pos - begin);
+ }
+
+ case ppt_stop:
+ errcode = pt_reserve(encoder, ptps_stop);
+ if (errcode < 0)
+ return errcode;
+
+ *pos++ = pt_opc_ext;
+ *pos++ = pt_ext_stop;
+
+ encoder->pos = pos;
+ return (int) (pos - begin);
+
+ case ppt_vmcs:
+ errcode = pt_reserve(encoder, ptps_vmcs);
+ if (errcode < 0)
+ return errcode;
+
+ *pos++ = pt_opc_ext;
+ *pos++ = pt_ext_vmcs;
+ pos = pt_encode_int(pos,
+ packet->payload.vmcs.base >> pt_pl_vmcs_shl,
+ pt_pl_vmcs_size);
+
+ encoder->pos = pos;
+ return (int) (pos - begin);
+
+ case ppt_mnt:
+ errcode = pt_reserve(encoder, ptps_mnt);
+ if (errcode < 0)
+ return errcode;
+
+ *pos++ = pt_opc_ext;
+ *pos++ = pt_ext_ext2;
+ *pos++ = pt_ext2_mnt;
+ pos = pt_encode_int(pos, packet->payload.mnt.payload,
+ pt_pl_mnt_size);
+
+ encoder->pos = pos;
+ return (int) (pos - begin);
+
+ case ppt_exstop: {
+ uint8_t ext;
+
+ errcode = pt_reserve(encoder, ptps_exstop);
+ if (errcode < 0)
+ return errcode;
+
+ ext = packet->payload.exstop.ip ?
+ pt_ext_exstop_ip : pt_ext_exstop;
+
+ *pos++ = pt_opc_ext;
+ *pos++ = ext;
+
+ encoder->pos = pos;
+ return (int) (pos - begin);
+ }
+
+ case ppt_mwait:
+ errcode = pt_reserve(encoder, ptps_mwait);
+ if (errcode < 0)
+ return errcode;
+
+ *pos++ = pt_opc_ext;
+ *pos++ = pt_ext_mwait;
+ pos = pt_encode_int(pos, packet->payload.mwait.hints,
+ pt_pl_mwait_hints_size);
+ pos = pt_encode_int(pos, packet->payload.mwait.ext,
+ pt_pl_mwait_ext_size);
+
+ encoder->pos = pos;
+ return (int) (pos - begin);
+
+ case ppt_pwre: {
+ uint64_t payload;
+
+ errcode = pt_reserve(encoder, ptps_pwre);
+ if (errcode < 0)
+ return errcode;
+
+ payload = 0ull;
+ payload |= ((uint64_t) packet->payload.pwre.state <<
+ pt_pl_pwre_state_shr) &
+ (uint64_t) pt_pl_pwre_state_mask;
+ payload |= ((uint64_t) packet->payload.pwre.sub_state <<
+ pt_pl_pwre_sub_state_shr) &
+ (uint64_t) pt_pl_pwre_sub_state_mask;
+
+ if (packet->payload.pwre.hw)
+ payload |= (uint64_t) pt_pl_pwre_hw_mask;
+
+ *pos++ = pt_opc_ext;
+ *pos++ = pt_ext_pwre;
+ pos = pt_encode_int(pos, payload, pt_pl_pwre_size);
+
+ encoder->pos = pos;
+ return (int) (pos - begin);
+ }
+
+ case ppt_pwrx: {
+ uint64_t payload;
+
+ errcode = pt_reserve(encoder, ptps_pwrx);
+ if (errcode < 0)
+ return errcode;
+
+ payload = 0ull;
+ payload |= ((uint64_t) packet->payload.pwrx.last <<
+ pt_pl_pwrx_last_shr) &
+ (uint64_t) pt_pl_pwrx_last_mask;
+ payload |= ((uint64_t) packet->payload.pwrx.deepest <<
+ pt_pl_pwrx_deepest_shr) &
+ (uint64_t) pt_pl_pwrx_deepest_mask;
+
+ if (packet->payload.pwrx.interrupt)
+ payload |= (uint64_t) pt_pl_pwrx_wr_int;
+ if (packet->payload.pwrx.store)
+ payload |= (uint64_t) pt_pl_pwrx_wr_store;
+ if (packet->payload.pwrx.autonomous)
+ payload |= (uint64_t) pt_pl_pwrx_wr_hw;
+
+ *pos++ = pt_opc_ext;
+ *pos++ = pt_ext_pwrx;
+ pos = pt_encode_int(pos, payload, pt_pl_pwrx_size);
+
+ encoder->pos = pos;
+ return (int) (pos - begin);
+ }
+
+ case ppt_ptw: {
+ uint8_t plc, ext;
+ int size;
+
+ plc = packet->payload.ptw.plc;
+
+ size = pt_ptw_size(plc);
+ if (size < 0)
+ return size;
+
+ errcode = pt_reserve(encoder,
+ (unsigned int) (pt_opcs_ptw + size));
+ if (errcode < 0)
+ return errcode;
+
+ ext = pt_ext_ptw;
+ ext |= plc << pt_opm_ptw_pb_shr;
+
+ if (packet->payload.ptw.ip)
+ ext |= (uint8_t) pt_opm_ptw_ip;
+
+ *pos++ = pt_opc_ext;
+ *pos++ = ext;
+ pos = pt_encode_int(pos, packet->payload.ptw.payload, size);
+
+ encoder->pos = pos;
+ return (int) (pos - begin);
+ }
+
+ case ppt_unknown:
+ case ppt_invalid:
+ return -pte_bad_opc;
+ }
+
+ return -pte_bad_opc;
+}
+
+int pt_encode_pad(struct pt_encoder *encoder)
+{
+ struct pt_packet packet;
+
+ packet.type = ppt_pad;
+
+ return pt_enc_next(encoder, &packet);
+}
+
+int pt_encode_psb(struct pt_encoder *encoder)
+{
+ struct pt_packet packet;
+
+ packet.type = ppt_psb;
+
+ return pt_enc_next(encoder, &packet);
+}
+
+int pt_encode_psbend(struct pt_encoder *encoder)
+{
+ struct pt_packet packet;
+
+ packet.type = ppt_psbend;
+
+ return pt_enc_next(encoder, &packet);
+}
+
+int pt_encode_tip(struct pt_encoder *encoder, uint64_t ip,
+ enum pt_ip_compression ipc)
+{
+ struct pt_packet packet;
+
+ packet.type = ppt_tip;
+ packet.payload.ip.ip = ip;
+ packet.payload.ip.ipc = ipc;
+
+ return pt_enc_next(encoder, &packet);
+}
+
+int pt_encode_tnt_8(struct pt_encoder *encoder, uint8_t tnt, int size)
+{
+ struct pt_packet packet;
+
+ packet.type = ppt_tnt_8;
+ packet.payload.tnt.bit_size = (uint8_t) size;
+ packet.payload.tnt.payload = tnt;
+
+ return pt_enc_next(encoder, &packet);
+}
+
+int pt_encode_tnt_64(struct pt_encoder *encoder, uint64_t tnt, int size)
+{
+ struct pt_packet packet;
+
+ packet.type = ppt_tnt_64;
+ packet.payload.tnt.bit_size = (uint8_t) size;
+ packet.payload.tnt.payload = tnt;
+
+ return pt_enc_next(encoder, &packet);
+}
+
+int pt_encode_tip_pge(struct pt_encoder *encoder, uint64_t ip,
+ enum pt_ip_compression ipc)
+{
+ struct pt_packet packet;
+
+ packet.type = ppt_tip_pge;
+ packet.payload.ip.ip = ip;
+ packet.payload.ip.ipc = ipc;
+
+ return pt_enc_next(encoder, &packet);
+}
+
+int pt_encode_tip_pgd(struct pt_encoder *encoder, uint64_t ip,
+ enum pt_ip_compression ipc)
+{
+ struct pt_packet packet;
+
+ packet.type = ppt_tip_pgd;
+ packet.payload.ip.ip = ip;
+ packet.payload.ip.ipc = ipc;
+
+ return pt_enc_next(encoder, &packet);
+}
+
+int pt_encode_fup(struct pt_encoder *encoder, uint64_t ip,
+ enum pt_ip_compression ipc)
+{
+ struct pt_packet packet;
+
+ packet.type = ppt_fup;
+ packet.payload.ip.ip = ip;
+ packet.payload.ip.ipc = ipc;
+
+ return pt_enc_next(encoder, &packet);
+}
+
+int pt_encode_pip(struct pt_encoder *encoder, uint64_t cr3, uint8_t flags)
+{
+ struct pt_packet packet;
+
+ packet.type = ppt_pip;
+ packet.payload.pip.cr3 = cr3;
+ packet.payload.pip.nr = (flags & pt_pl_pip_nr) != 0;
+
+ return pt_enc_next(encoder, &packet);
+}
+
+int pt_encode_ovf(struct pt_encoder *encoder)
+{
+ struct pt_packet packet;
+
+ packet.type = ppt_ovf;
+
+ return pt_enc_next(encoder, &packet);
+}
+
+int pt_encode_mode_exec(struct pt_encoder *encoder, enum pt_exec_mode mode)
+{
+ struct pt_packet packet;
+
+ packet.type = ppt_mode;
+ packet.payload.mode.leaf = pt_mol_exec;
+ packet.payload.mode.bits.exec = pt_set_exec_mode(mode);
+
+ return pt_enc_next(encoder, &packet);
+}
+
+
+int pt_encode_mode_tsx(struct pt_encoder *encoder, uint8_t bits)
+{
+ struct pt_packet packet;
+
+ packet.type = ppt_mode;
+ packet.payload.mode.leaf = pt_mol_tsx;
+
+ if (bits & pt_mob_tsx_intx)
+ packet.payload.mode.bits.tsx.intx = 1;
+ else
+ packet.payload.mode.bits.tsx.intx = 0;
+
+ if (bits & pt_mob_tsx_abrt)
+ packet.payload.mode.bits.tsx.abrt = 1;
+ else
+ packet.payload.mode.bits.tsx.abrt = 0;
+
+ return pt_enc_next(encoder, &packet);
+}
+
+int pt_encode_tsc(struct pt_encoder *encoder, uint64_t tsc)
+{
+ struct pt_packet packet;
+
+ packet.type = ppt_tsc;
+ packet.payload.tsc.tsc = tsc;
+
+ return pt_enc_next(encoder, &packet);
+}
+
+int pt_encode_cbr(struct pt_encoder *encoder, uint8_t cbr)
+{
+ struct pt_packet packet;
+
+ packet.type = ppt_cbr;
+ packet.payload.cbr.ratio = cbr;
+
+ return pt_enc_next(encoder, &packet);
+}
+
+int pt_encode_tma(struct pt_encoder *encoder, uint16_t ctc, uint16_t fc)
+{
+ struct pt_packet packet;
+
+ packet.type = ppt_tma;
+ packet.payload.tma.ctc = ctc;
+ packet.payload.tma.fc = fc;
+
+ return pt_enc_next(encoder, &packet);
+}
+
+int pt_encode_mtc(struct pt_encoder *encoder, uint8_t ctc)
+{
+ struct pt_packet packet;
+
+ packet.type = ppt_mtc;
+ packet.payload.mtc.ctc = ctc;
+
+ return pt_enc_next(encoder, &packet);
+}
+
+int pt_encode_cyc(struct pt_encoder *encoder, uint32_t ctc)
+{
+ struct pt_packet packet;
+
+ packet.type = ppt_cyc;
+ packet.payload.cyc.value = ctc;
+
+ return pt_enc_next(encoder, &packet);
+}
+
+int pt_encode_stop(struct pt_encoder *encoder)
+{
+ struct pt_packet packet;
+
+ packet.type = ppt_stop;
+
+ return pt_enc_next(encoder, &packet);
+}
+
+int pt_encode_vmcs(struct pt_encoder *encoder, uint64_t payload)
+{
+ struct pt_packet packet;
+
+ packet.type = ppt_vmcs;
+ packet.payload.vmcs.base = payload;
+
+ return pt_enc_next(encoder, &packet);
+}
+
+int pt_encode_mnt(struct pt_encoder *encoder, uint64_t payload)
+{
+ struct pt_packet packet;
+
+ packet.type = ppt_mnt;
+ packet.payload.mnt.payload = payload;
+
+ return pt_enc_next(encoder, &packet);
+}
generated by cgit v1.3 (git 2.53.0) at 2026-05-12 17:51:21 +0000