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| author | Nathaniel Graff <nathaniel.graff@sifive.com> | 2019-03-07 21:32:52 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-03-07 21:32:52 +0000 |
| commit | 7b036c07e40a6f3d3cf1ddfc5d88d3a36beb4e46 (patch) | |
| tree | c1459952c20e4534d33016d4fc2cf6729228c0e6 /software/smp/smp.c | |
| parent | 84781219c87c0b9148e318f3e358ef7de03e251c (diff) | |
| parent | def12d50a686774196c613a819e6afb744ee290e (diff) | |
Merge pull request #195 from sifive/remove-legacy
Remove legacy BSPs and Software
Diffstat (limited to 'software/smp/smp.c')
| -rw-r--r-- | software/smp/smp.c | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/software/smp/smp.c b/software/smp/smp.c deleted file mode 100644 index 36c9db9..0000000 --- a/software/smp/smp.c +++ /dev/null @@ -1,40 +0,0 @@ -#include <stdio.h> -#include <unistd.h> -#include "atomic.h" -void write_hex(int, unsigned long); - -atomic_t tty_lock = ATOMIC_INIT(0); - -void get_lock(atomic_t *lock) -{ - while (atomic_xchg(lock, 1) == 1); - mb(); -} - -void put_lock(atomic_t *lock) -{ - mb(); - atomic_xchg(lock, 0); -} - -int secondary_main(int hartid) -{ - volatile int counter; - - while (1) { - get_lock(&tty_lock); - write(1, "hello world from hart ", 22); - char s[] = {'0', '\n', '\0'}; - s[0] += hartid; - write(1, s, 2); - put_lock(&tty_lock); - - for (counter = 0; counter < 10000 + 100*hartid; ++counter) - mb(); - } -} - -int main() -{ - return secondary_main(0); -} |
