stm32_i2c: optimized I2C 1 byte memory transfer

Introduce stm32_i2c_read_write_membyte() to operate a single byte
data transfer in memory mode. This function will be used by the
power management seq

stm32_i2c: optimized I2C 1 byte memory transfer

Introduce stm32_i2c_read_write_membyte() to operate a single byte
data transfer in memory mode. This function will be used by the
power management sequence in order to relax pager resident memory
footprint when I2C need to execute in an unpaged context.

Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
Acked-by: Jerome Forissier <jerome.forissier@linaro.org>

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stm32mp1: fix stm32_get_gpio_bank_base()

Correct missing return in function stm32_get_gpio_bank_base(). Prior
this change, platform may fail to boot with debug trace:

E/TC:0 0 assertion 'bank <= GP

stm32mp1: fix stm32_get_gpio_bank_base()

Correct missing return in function stm32_get_gpio_bank_base(). Prior
this change, platform may fail to boot with debug trace:

E/TC:0 0 assertion 'bank <= GPIO_BANK_K' failed at core/arch/arm/plat-stm32mp1/main.c:311 <stm32_get_gpio_bank_base>

Fixes: 68c4a16b37c7 ("stm32mp1: use phys_to_virt_io_secure() where expected")

Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org>

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stm32mp1: power management for GPIOz

Ensure secure hardening of GPIOz bank pins is restored when resuming
from a low power state where configuration might be lost.

Signed-off-by: Etienne Carriere <

stm32mp1: power management for GPIOz

Ensure secure hardening of GPIOz bank pins is restored when resuming
from a low power state where configuration might be lost.

Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>

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stm32mp1: counting GPIOZ bank pins

Get the GPIOZ bank pin count from the device tree. The shared
resources driver uses this information to validate GPIO pin numbers.

Signed-off-by: Etienne Carriere

stm32mp1: counting GPIOZ bank pins

Get the GPIOZ bank pin count from the device tree. The shared
resources driver uses this information to validate GPIO pin numbers.

Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>

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core: print TA stack dump from thread context

Instead of printing TA stack dump in abort mode, save the required
information and print it from user_ta_enter() in thread context. This
allows dumping

core: print TA stack dump from thread context

Instead of printing TA stack dump in abort mode, save the required
information and print it from user_ta_enter() in thread context. This
allows dumping the stack also for paged TAs.

Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>

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core: REE FS: use mempool_default for temp alloc

Uses mempool_default for temporary block allocation.

This fixes one out of memory error when loading multiple TAs in
parallel.

Acked-by: Jerome For

core: REE FS: use mempool_default for temp alloc

Uses mempool_default for temporary block allocation.

This fixes one out of memory error when loading multiple TAs in
parallel.

Acked-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>

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core: add system wide mempool_default

Adds system wide mempool_default for temporary large memory allocations.

Acked-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Etienne Carriere

core: add system wide mempool_default

Adds system wide mempool_default for temporary large memory allocations.

Acked-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>

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core: arm: kern.ld.S: ignore .init section

The ELF .init section is meant to be used by program loaders to run
special initialization code before the main entry point is called. This
does not apply

core: arm: kern.ld.S: ignore .init section

The ELF .init section is meant to be used by program loaders to run
special initialization code before the main entry point is called. This
does not apply to the TEE core, and the compiler does not generate such
a section. Therefore, mentioning it in the linker script is useless.

Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>

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stm32mp1: use phys_to_virt_io_secure() where expected

This change updates platforms and drivers to use io_pa_or_va_secure()
when expecting a secure mapped address.

PWR, RCC, GIC, TAMP, BSEC, ETZPC,

stm32mp1: use phys_to_virt_io_secure() where expected

This change updates platforms and drivers to use io_pa_or_va_secure()
when expecting a secure mapped address.

PWR, RCC, GIC, TAMP, BSEC, ETZPC, I2C are always secure (when embedded).

RNG uses a secure or non-secure mapping according to its registration in
platform shared_resource driver.

GPIOs IO memory is always access though non-secure mapped virtual
addresses.

Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>

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core: introduce io_pa_or_va_{secure|nsec}()

io_pa_or_va_secure() returns the secure mapped virtual address
if MMU is enable while io_pa_or_va_nsec() would return the non-secure
mapped virtual addres

core: introduce io_pa_or_va_{secure|nsec}()

io_pa_or_va_secure() returns the secure mapped virtual address
if MMU is enable while io_pa_or_va_nsec() would return the non-secure
mapped virtual address.

Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>

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core: RPMB FS: fix panic when RPMB partition size is 16 MiB

The overflow check used when computing the number of the last block in
the RPMB parition is incorrect. It causes an overflow when
rpmb_siz

core: RPMB FS: fix panic when RPMB partition size is 16 MiB

The overflow check used when computing the number of the last block in
the RPMB parition is incorrect. It causes an overflow when
rpmb_size_mult is 128, that is, when the partition size is 16 MiB.
Indeed, max_blk_idx is a uint16_t and we are trying to store 65536
(= 128 * (128 * 1024) / 256).

Fix this by using a 32-bit temporary variable to hold the result of the
multiplication (the number of blocks), then subtract 1 to get the last
block number using SUB_OVERFLOW().

Fixes: ea81076f7896 ("core: RPMB FS: check for potential overflows")
Fixes: https://github.com/OP-TEE/optee_os/issues/3012
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Reported-by: Pengguang Zhu <zpghao@163.com>
Suggested-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>

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stm32_etzpc: core driver level for pm operations

Change power transition ordering level for the ETZPC driver. The
driver does not depend and clock configuration and the access
filtering configuratio

stm32_etzpc: core driver level for pm operations

Change power transition ordering level for the ETZPC driver. The
driver does not depend and clock configuration and the access
filtering configuration shall be restored prior device drivers
resumes sequence to reflect expected platform state.

Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>

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core: pm: helper register_pm_core_service_cb()

Introduce inline helper function register_pm_core_service_cb() to
simplifies registration of core service PM callbacks:

help:
register_pm_core_servi

core: pm: helper register_pm_core_service_cb()

Introduce inline helper function register_pm_core_service_cb() to
simplifies registration of core service PM callbacks:

help:
register_pm_core_service_cb(my_callback, my_handle);
instead of generic:
register_pm_cb(&PM_CALLBACK_HANDLE_INITIALIZER(
my_callback, my_handle,
PM_CB_ORDER_CORE_SERVICE));

Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>

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core: arm: kern.ld.S: discard .interp section

tee.elf currently has an INTERP segment that contains
"/usr/lib/ld.so.1". This is totally meaningless, so remove it by
discarding the .interp section in

core: arm: kern.ld.S: discard .interp section

tee.elf currently has an INTERP segment that contains
"/usr/lib/ld.so.1". This is totally meaningless, so remove it by
discarding the .interp section in the linker script.

Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>

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core: bugfix mutex_destroy()

Prior to this patch mutex_destroy() was incorrectly testing the lock state.
With this patch the test is corrected to avoid panic() on unlocked mutexes.

Reviewed-by: Jer

core: bugfix mutex_destroy()

Prior to this patch mutex_destroy() was incorrectly testing the lock state.
With this patch the test is corrected to avoid panic() on unlocked mutexes.

Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
Tested-by: Jens Wiklander <jens.wiklander@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>

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core: ree_fs_ta.c: fix compile error

Fixes compile error with CFG_REE_FS_TA_BUFFERED=n:
core/arch/arm/kernel/ree_fs_ta.c:284:13: error: ‘ta_get_tag’ undeclared here (not in a function); did you mean

core: ree_fs_ta.c: fix compile error

Fixes compile error with CFG_REE_FS_TA_BUFFERED=n:
core/arch/arm/kernel/ree_fs_ta.c:284:13: error: ‘ta_get_tag’ undeclared here (not in a function); did you mean ‘ta_head’?
.get_tag = ta_get_tag,
^~~~~~~~~~
ta_head
core/arch/arm/kernel/ree_fs_ta.c:201:19: error: ‘ree_fs_ta_get_tag’ defined but not used [-Werror=unused-function]
static TEE_Result ree_fs_ta_get_tag(const struct user_ta_store_handle *h,
^~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
mk/compile.mk:147: recipe for target '../out-os-qemu/core/arch/arm/kernel/ree_fs_ta.o' failed

Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>

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core: remove unused tee_customer_part.h

Removes the unused <tee_customer_part.h>

Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>

stm32mp1: common SoC registers protections

Helper functions for stm32mp1 platform to access a SoC interface
register that can be accessed from several drivers and services.
They all use a common spi

stm32mp1: common SoC registers protections

Helper functions for stm32mp1 platform to access a SoC interface
register that can be accessed from several drivers and services.
They all use a common spinlock to ensure atomic update of the
register content.

Helpers: io_mask32_stm32shregs(), io_setbits32_stm32shregs(),
io_clrbits32_stm32shregs() and io_clrsetbits32_stm32shregs().

Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>

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stm32mp1: simplify stm32mp_periph_is_*()

As per design shared resources explicitly registered as secure are
assigned to the secure world while other are defacto assigned to the
non-secure world.

Th

stm32mp1: simplify stm32mp_periph_is_*()

As per design shared resources explicitly registered as secure are
assigned to the secure world while other are defacto assigned to the
non-secure world.

This change remove functions stm32mp_periph_is_unregistered() and
stm32mp_periph_is_non_secure() and keeps only stm32mp_periph_is_secure()
which return value reflects whether the resource is assigned to the
secure or non-secure world.

Suggested-by: Jérôme Forissier <jerome.forissier@linaro.org>
Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org>
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>

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stm32mp1: remove info traces on shared resource registering

Change verbosity of shared resource registration traces from info
to debug log level.

Signed-off-by: Etienne Carriere <etienne.carriere@l

stm32mp1: remove info traces on shared resource registering

Change verbosity of shared resource registration traces from info
to debug log level.

Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org>
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>

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core:tee: remove redundant tee_obj_attr_to_binary() calls

A couple of tee_obj_attr_to_binary() calls are useless,
remove them.

Signed-off-by: Sahil Malhotra <sahil.malhotra@nxp.com>
Fixes: https://

core:tee: remove redundant tee_obj_attr_to_binary() calls

A couple of tee_obj_attr_to_binary() calls are useless,
remove them.

Signed-off-by: Sahil Malhotra <sahil.malhotra@nxp.com>
Fixes: https://github.com/OP-TEE/optee_os/issues/3004
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>
Tested-by: Jerome Forissier <jerome.forissier@linaro.org> (QEMU, GP)

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core: fix session closure when open panicked

Change tee_ta_close_session() function to support panicked TA contexts.
Prior this change, the function did not expect referenced context
had previously

core: fix session closure when open panicked

Change tee_ta_close_session() function to support panicked TA contexts.
Prior this change, the function did not expect referenced context
had previously panicked. Since recent changes for reloadable keep alive
TAs, referenced below, Panic on open session does completely release
context which session closure is expected to proceed to.

Fixes: https://github.com/OP-TEE/optee_os/issues/3003
Fixes: fd10f62b8210 ("core: keep alive TA context can be created after TA has panicked")
Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org>
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
Tested-by: Jerome Forissier <jerome.forissier@linaro.org> (QEMU, GP)

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core: storage: add some overflow checks

Adds overflow checks to the secure storage code.

Signed-off-by: Bastien Simondi <bsimondi@netflix.com>
[jf: Fix test in syscall_storage_obj_seek() case TEE_D

core: storage: add some overflow checks

Adds overflow checks to the secure storage code.

Signed-off-by: Bastien Simondi <bsimondi@netflix.com>
[jf: Fix test in syscall_storage_obj_seek() case TEE_DATA_SEEK_END]
[jf: Get rid of { } block, initialize new local variables]
[jf: Do not fail on (data && !len) in syscall_storage_obj_create()]
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Joakim Bech <joakim.bech@linaro.org>

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core: check allocated size of temporary secure memory

When servicing syscall_invoke_ta_command(), the invoked TA could modify
the .size field. Make sure the allocated buffer is not overwritten on
re

core: check allocated size of temporary secure memory

When servicing syscall_invoke_ta_command(), the invoked TA could modify
the .size field. Make sure the allocated buffer is not overwritten on
return.

Signed-off-by: Bastien Simondi <bsimondi@netflix.com>
[jf: fix multi-line comment, replace '= { 0 };' with '= { };']
[jf: add commit description]
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Joakim Bech <joakim.bech@linaro.org>

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core: crypto: libtomcrypt: enable LTC_CLEAN_STACK

Enables LTC_CLEAN_STACK so that LibTomCrypt will wipe key material and
other sensitive data once no longer used.

Signed-off-by: Jerome Forissier <j

core: crypto: libtomcrypt: enable LTC_CLEAN_STACK

Enables LTC_CLEAN_STACK so that LibTomCrypt will wipe key material and
other sensitive data once no longer used.

Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Suggested-by: Bastien Simondi <bsimondi@netflix.com>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Joakim Bech <joakim.bech@linaro.org>

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