mb/emulation/qemu-i440fx|q35: Fix stack size
Current implementation works by luck as DCACHE area is actually RAM and stack can grow and use that RAM outside of the area. * Set DCACHE_BSP_STACK_SIZE to 0x4000. * Add an assert to make sure it is set to a sane value on all platforms. Change-Id: I71f9d74d89e4129cdc4a850acc4fc1ac90e5f628 Signed-off-by: Patrick Rudolph <siro@das-labor.org> Reviewed-on: https://review.coreboot.org/29611 Reviewed-by: Patrick Georgi <pgeorgi@google.com> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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@ -113,3 +113,6 @@ _bogus = ASSERT((CONFIG_DCACHE_RAM_SIZE == 0) || (SIZEOF(.car.data) <= CONFIG_DC
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#if IS_ENABLED(CONFIG_PAGING_IN_CACHE_AS_RAM)
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_bogus2 = ASSERT(_pagetables == ALIGN(_pagetables, 4096), "_pagetables aren't 4KiB aligned");
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#endif
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#if IS_ENABLED(CONFIG_C_ENVIRONMENT_BOOTBLOCK)
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_bogus3 = ASSERT(CONFIG_DCACHE_BSP_STACK_SIZE > 0x0, "BSP stack size not configured");
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#endif
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@ -41,4 +41,8 @@ config C_ENV_BOOTBLOCK_SIZE
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default 0x4000
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config DCACHE_BSP_STACK_SIZE
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default 0x4000
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endif # BOARD_EMULATION_QEMU_X86_I440FX
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@ -49,4 +49,8 @@ config C_ENV_BOOTBLOCK_SIZE
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default 0x4000
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config DCACHE_BSP_STACK_SIZE
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default 0x4000
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endif # BOARD_EMULATION_QEMU_X86_Q35
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