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22 lines
765 B
C
22 lines
765 B
C
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/* Ideally this kind of stuff is specified in a linker script. It's not clear
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what the default linker script should do, so for now we have this. */
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/* Keep this file separate from sbrk.c so the programmer can supply his/her
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own _sbrk_r. This file could go in crt0.S, but I want to keep this in C.
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This is all just an experiment anyway. */
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#ifndef STACK_SIZE
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/* Cache lines recycle at 4096 I think, and 4096 is listed as the page size,
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so we make the stack size a multiple of it. Not that it's relevant or
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anything, but why not base it on *something*? */
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#define STACK_SIZE (4096 * 4)
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#endif
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int stack_size asm ("stack_size") = STACK_SIZE;
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#ifndef SBRK_SIZE
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#define SBRK_SIZE (4096 * 32)
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#endif
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int sbrk_size asm ("sbrk_size") = SBRK_SIZE;
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