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wolfTPM
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Code Issues Releases Wiki Activity

Fix location for TPM simulator `/tmp`.

pull/398/head
David Garske 2025-05-06 16:29:38 -07:00
parent d463f70975
commit 0c2b0a43ed
1 changed files with 29 additions and 4 deletions
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examples/u-boot/README.md
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@ -90,18 +90,43 @@ make -j4
3. Create TPM directory: 3. Create TPM directory:
``` ```
mkdir -p ./tmp/mytpm1 mkdir -p /tmp/mytpm1
``` ```
4. Start swtpm (in first terminal): 4. Start swtpm (in first terminal):
``` ```
swtpm socket --tpm2 --tpmstate dir=./tmp/mytpm1 --ctrl type=unixio,path=./tmp/mytpm1/swtpm-sock --log level=20 swtpm socket --tpm2 --tpmstate dir=/tmp/mytpm1 --ctrl type=unixio,path=/tmp/mytpm1/swtpm-sock --log level=20
``` ```
5. Start QEMU (in second terminal): 5. Start QEMU (in second terminal):
``` ```
qemu-system-aarch64 -machine virt -nographic -cpu cortex-a57 -bios u-boot.bin -chardev socket,id=chrtpm,path=./tmp/mytpm1/swtpm-sock -tpmdev emulator,id=tpm0,chardev=chrtpm -device tpm-tis-device,tpmdev=tpm0 qemu-system-aarch64 -machine virt -nographic -cpu cortex-a57 -bios u-boot.bin -chardev socket,id=chrtpm,path=/tmp/mytpm1/swtpm-sock -tpmdev emulator,id=tpm0,chardev=chrtpm -device tpm-tis-device,tpmdev=tpm0
``` ```
6. Exiting the QEMU: 6. Example output:
```
U-Boot 2025.07-rc1-ge15cbf232ddf-dirty (May 06 2025 - 16:25:56 -0700)
DRAM: 128 MiB
using memory 0x46658000-0x47698000 for malloc()
Core: 52 devices, 15 uclasses, devicetree: board
Flash: 64 MiB
Loading Environment from Flash... *** Warning - bad CRC, using default environment
In: serial,usbkbd
Out: serial,vidconsole
Err: serial,vidconsole
No USB controllers found
Net: eth0: virtio-net#32
Hit any key to stop autoboot: 0
=> tpm help
tpm - Issue a TPMv1.x command
Usage:
tpm cmd args...
```
7. Exiting the QEMU:
Press Ctrl-A followed by X Press Ctrl-A followed by X