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tests/lib/heap: More workarounds for platform memory sizing

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Some of the ARC platforms aren't consistent between kconfig and their
linker scripts as to the size of memory, add a special case.

Signed-off-by: Andy Ross <andrew.j.ross@intel.com>
This commit is contained in:
Andy Ross 2020-04-09 08:38:58 -07:00 • committed by Andrew Boie
commit 1f3c014a1a
1 changed files with 20 additions and 11 deletions
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31
tests/lib/heap/src/main.c
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@ -8,22 +8,31 @@
#include <sys/sys_heap.h>
/* Guess at a value for heap size based on available memory on the
* platform.
*
* Note that mps2_an521 blows up if allowed to link into large area,
* even though the link is successful and it claims the memory is
* there. We get hard faults on boot before entry to cstart() once
* MEMSZ is allowed to get near 256kb.
*
* And native_posix doesn't support CONFIG_SRAM_SIZE at all (because
* platform, with workarounds.
*/
#if defined(CONFIG_BOARD_MPS2_AN521)
/* mps2_an521 blows up if allowed to link into large area, even though
* the link is successful and it claims the memory is there. We get
* hard faults on boot in qemu before entry to cstart() once MEMSZ is
* allowed to get near 256kb.
*/
# define MEMSZ (192 * 1024)
#elif defined(CONFIG_ARCH_POSIX)
/* native_posix doesn't support CONFIG_SRAM_SIZE at all (because
* it can link anything big enough to fit on the host), so just use a
* reasonable value.
*/
#if defined(CONFIG_BOARD_MPS2_AN521)
# define MEMSZ (192 * 1024)
#elif defined(CONFIG_ARCH_POSIX)
# define MEMSZ (2 * 1024 * 1024)
#elif defined(CONFIG_SOC_ARC_EMSDP) || defined(CONFIG_SOC_EMSK)
/* Various ARC platforms set CONFIG_SRAM_SIZE to 16-128M, but have a
* much lower limit of (32-64k) in their linker scripts. Pick a
* conservative fallback.
*/
# define MEMSZ (16 * 1024)
#else
/* Otherwise just trust CONFIG_SRAM_SIZE
*/
# define MEMSZ (1024 * (size_t) CONFIG_SRAM_SIZE)
#endif