From: Simon Glass <sjg@chromium.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v3 25/25] tpm: allow Sandbox to run TPMv2.x commands
Date: Wed, 2 May 2018 20:32:55 -0600 [thread overview]
Message-ID: <CAPnjgZ3edaUDDGSdcSN=U92d_s-HNYjTV_jTxJ7djiy9Pk6MXw@mail.gmail.com> (raw)
In-Reply-To: <20180502085934.29292-26-miquel.raynal@bootlin.com>
Hi Miquel,
On 2 May 2018 at 02:59, Miquel Raynal <miquel.raynal@bootlin.com> wrote:
> Sandbx is run in userspace. What is done in baremetal applications like
> U-Boot is using an address in memory which is supposedly free to load
> and store data to it. The user interaction in U-Boot's shell works like
> that and it is hard to find another way to transfer a 'buffer' from one
> side to the other. It is always possible to fill an environment
> variable, but not that easy to use.
>
> Of course our Linux distributions do not allow such salvage accesses and
> Sandbox will simply be killed. To avoid such scenario, it is possible,
> when compiling the Sandbox driver, to allocate some memory so the
> pointer that is given does not point to an unauthorized area anymore.
> This just give the possibility to run all the TPM commands without
> killing Sandbox.
>
map_sysmem() and map_to_sysmem() are supposed to handle this, assuming
I understand the problem correctly.
Regards,
Simon
next prev parent reply other threads:[~2018-05-03 2:32 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-02 8:59 [U-Boot] [PATCH v3 00/25] Introduce TPMv2.0 support Miquel Raynal
2018-05-02 8:59 ` [U-Boot] [PATCH v3 01/25] tpm: add Revision ID field in the chip structure Miquel Raynal
2018-05-02 8:59 ` [U-Boot] [PATCH v3 02/25] tpm: prepare introduction of TPMv2.x support in Kconfig Miquel Raynal
2018-05-02 19:33 ` Simon Glass
2018-05-02 8:59 ` [U-Boot] [PATCH v3 03/25] tpm: disociate TPMv1.x specific and generic code Miquel Raynal
2018-05-03 2:31 ` Simon Glass
2018-05-14 18:01 ` Miquel Raynal
2018-05-14 19:43 ` Tom Rini
2018-05-15 8:56 ` Miquel Raynal
2018-05-02 8:59 ` [U-Boot] [PATCH v3 04/25] tpm: prepare support for TPMv2.x commands Miquel Raynal
2018-05-03 2:31 ` Simon Glass
2018-05-03 12:27 ` Miquel Raynal
2018-05-02 8:59 ` [U-Boot] [PATCH v3 05/25] tpm: add macros to enhance TPM commands readability Miquel Raynal
2018-05-03 2:31 ` Simon Glass
2018-05-02 8:59 ` [U-Boot] [PATCH v3 06/25] tpm: add possible traces to analyze buffers returned by the TPM Miquel Raynal
2018-05-02 8:59 ` [U-Boot] [PATCH v3 07/25] tpm: report driver error code to upper layer Miquel Raynal
2018-05-03 2:31 ` Simon Glass
2018-05-02 8:59 ` [U-Boot] [PATCH v3 08/25] tpm: add TPM2_Startup command support Miquel Raynal
2018-05-03 2:31 ` Simon Glass
2018-05-02 8:59 ` [U-Boot] [PATCH v3 09/25] tpm: add TPM2_SelfTest " Miquel Raynal
2018-05-03 2:32 ` Simon Glass
2018-05-02 8:59 ` [U-Boot] [PATCH v3 10/25] tpm: add TPM2_Clear " Miquel Raynal
2018-05-03 2:32 ` Simon Glass
2018-05-02 8:59 ` [U-Boot] [PATCH v3 11/25] tpm: add TPM2_PCR_Extend " Miquel Raynal
2018-05-03 2:32 ` Simon Glass
2018-05-02 8:59 ` [U-Boot] [PATCH v3 12/25] tpm: add TPM2_PCR_Read " Miquel Raynal
2018-05-03 2:32 ` Simon Glass
2018-05-15 7:52 ` Miquel Raynal
2018-05-02 8:59 ` [U-Boot] [PATCH v3 13/25] tpm: add TPM2_GetCapability " Miquel Raynal
2018-05-03 2:32 ` Simon Glass
2018-05-15 8:19 ` Miquel Raynal
2018-05-02 8:59 ` [U-Boot] [PATCH v3 14/25] tpm: add dictionary attack mitigation commands support Miquel Raynal
2018-05-03 2:32 ` Simon Glass
2018-05-02 8:59 ` [U-Boot] [PATCH v3 15/25] tpm: add TPM2_HierarchyChangeAuth command support Miquel Raynal
2018-05-03 2:32 ` Simon Glass
2018-05-02 8:59 ` [U-Boot] [PATCH v3 16/25] tpm: add PCR authentication commands support Miquel Raynal
2018-05-03 2:32 ` Simon Glass
2018-05-02 8:59 ` [U-Boot] [PATCH v3 17/25] tpm: add support for TPMv2.x SPI modules Miquel Raynal
2018-05-03 2:32 ` Simon Glass
2018-05-15 8:48 ` Miquel Raynal
2018-05-02 8:59 ` [U-Boot] [PATCH v3 18/25] tpm: add the possibility to reset the chip with a gpio Miquel Raynal
2018-05-03 2:32 ` Simon Glass
2018-05-02 8:59 ` [U-Boot] [PATCH v3 19/25] doc: device-tree-bindings: add ST33TPHF20 TPMv2.0 module info Miquel Raynal
2018-05-03 2:32 ` Simon Glass
2018-05-02 8:59 ` [U-Boot] [PATCH v3 20/25] test/py: add TPMv2.x test suite Miquel Raynal
2018-05-03 2:32 ` Simon Glass
2018-05-02 8:59 ` [U-Boot] [PATCH v3 21/25] tpm: add a Sandbox TPMv2.x driver Miquel Raynal
2018-05-03 2:32 ` Simon Glass
2018-05-02 8:59 ` [U-Boot] [PATCH v3 22/25] doc: device-tree-bindings: add Sandbox TPMv2.0 module info Miquel Raynal
2018-05-03 2:32 ` Simon Glass
2018-05-03 12:45 ` Miquel Raynal
2018-05-02 8:59 ` [U-Boot] [PATCH v3 23/25] sandbox: dts: add Sandbox TPMv2.x node Miquel Raynal
2018-05-03 2:32 ` Simon Glass
2018-05-02 8:59 ` [U-Boot] [PATCH v3 24/25] configs: add TPMv2.x support in Sandbox Miquel Raynal
2018-05-03 2:32 ` Simon Glass
2018-05-02 8:59 ` [U-Boot] [PATCH v3 25/25] tpm: allow Sandbox to run TPMv2.x commands Miquel Raynal
2018-05-03 2:32 ` Simon Glass [this message]
2018-05-03 12:56 ` Miquel Raynal
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