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