diff options
author | Nathaniel Graff <nathaniel.graff@sifive.com> | 2019-03-07 09:29:05 -0800 |
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committer | Nathaniel Graff <nathaniel.graff@sifive.com> | 2019-03-07 09:29:05 -0800 |
commit | d9c3fba928162e7a89349f8b160eb479ad41cbea (patch) | |
tree | 258c5e97139d68ccb4a760d7ca0fffa231bf392c /software/smp/smp.c | |
parent | f695df295da82c8ef801906ad8b00b0e8afa7502 (diff) |
Remove legacy examples
Signed-off-by: Nathaniel Graff <nathaniel.graff@sifive.com>
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); -} |