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feat(tpm): TPM 2.0 CRB kernel driver + syscall ABI for WasmOS-on-Nanos #1

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feat(tpm): TPM 2.0 CRB kernel driver + syscall ABI for WasmOS-on-Nanos #1

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2d79412
tpm: add TPM 2.0 CRB transport driver
Aug 3, 2026
8d8d4ec
tpm: add nanos_tpm_command / nanos_tpm_status syscalls
Aug 3, 2026
9a48315
feat(tpm): wire TPM 2.0 CRB driver + syscalls into Nanos build
Aug 4, 2026
5902ec8
feat(tpm): implement ACPI TPM2 table discovery
Aug 4, 2026
881e9cf
fix(tpm): page-align ControlAddress before map()
Aug 4, 2026
6520829
fix(tpm): correct locality offset + relax interface-type gate for QEM…
Aug 4, 2026
87c390c
feat(tpm): issue TPM2_Startup(TPM_SU_CLEAR) at driver init
Aug 4, 2026
0f89215
test(tpm): CRB register + syscall ABI unit tests (design 8.1)
Aug 5, 2026
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2 changes: 2 additions & 0 deletions platform/pc/Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -96,6 +96,8 @@ SRCS-kernel.elf= \
$(SRCDIR)/virtio/virtio_socket.c \
$(SRCDIR)/virtio/virtqueue.c \
$(SRCDIR)/virtio/scsi.c \
$(SRCDIR)/tpm/tpm_crb.c \
$(SRCDIR)/tpm/tpm_syscall.c \
$(SRCDIR)/vmware/vmxnet3_net.c \
$(SRCDIR)/vmware/vmxnet3_queue.c \
$(SRCDIR)/vmware/pvscsi.c \
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9 changes: 9 additions & 0 deletions platform/pc/service.c
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Expand Up @@ -19,6 +19,7 @@
#include <xen_platform.h>
#include <virtio/virtio.h>
#include <vmware/vmware.h>
#include <tpm/tpm_crb.h>
#include "pvm.h"
#include "serial.h"

Expand Down Expand Up @@ -532,6 +533,14 @@ void detect_devices(kernel_heaps kh, storage_attach sa)

init_virtio_balloon(kh);
init_virtio_rng(kh);

/* WasmOS-on-Nanos: TPM 2.0 CRB discovery + default binding.
* Runs after init_acpi() so the ACPI TPM2 table (once wired) is
* available to the discovery pipeline; on hosts without a TPM the
* QEMU-fixed fallback silently declines and the syscall layer
* reports -ENOTSUP. See docs/design/nanos-tpm-crb-transport.md
* sec 4.4 in the wasmos repository. */
init_tpm(kh);
}

void cmdline_consume(sstring opt_name, cmdline_handler h)
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