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The optee driver uses specific page table types to verify if a memory region is normal. These types are not defined in nommu systems. Trying to compile the driver in these systems results in a build error: linux/drivers/tee/optee/call.c: In function ‘is_normal_memory’: linux/drivers/tee/optee/call.c:533:26: error: ‘L_PTE_MT_MASK’ undeclared (first use in this function); did you mean ‘PREEMPT_MASK’? return (pgprot_val(p) & L_PTE_MT_MASK) == L_PTE_MT_WRITEALLOC; ^~~~~~~~~~~~~ PREEMPT_MASK linux/drivers/tee/optee/call.c:533:26: note: each undeclared identifier is reported only once for each function it appears in linux/drivers/tee/optee/call.c:533:44: error: ‘L_PTE_MT_WRITEALLOC’ undeclared (first use in this function) return (pgprot_val(p) & L_PTE_MT_MASK) == L_PTE_MT_WRITEALLOC; ^~~~~~~~~~~~~~~~~~~ Make the optee driver depend on MMU to fix the compilation issue. Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com> [jw: update commit title] Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
17 lines
445 B
Text
17 lines
445 B
Text
# SPDX-License-Identifier: GPL-2.0-only
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# OP-TEE Trusted Execution Environment Configuration
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config OPTEE
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tristate "OP-TEE"
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depends on HAVE_ARM_SMCCC
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depends on MMU
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help
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This implements the OP-TEE Trusted Execution Environment (TEE)
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driver.
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config OPTEE_SHM_NUM_PRIV_PAGES
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int "Private Shared Memory Pages"
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default 1
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depends on OPTEE
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help
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This sets the number of private shared memory pages to be
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used by OP-TEE TEE driver.
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