diff options
Diffstat (limited to 'src/libthread')
| -rw-r--r-- | src/libthread/asm-Linux-power.s | 80 | ||||
| -rw-r--r-- | src/libthread/power.c | 40 | ||||
| -rw-r--r-- | src/libthread/sched.c | 1 | ||||
| -rw-r--r-- | src/libthread/tfork.c | 23 |
4 files changed, 143 insertions, 1 deletions
diff --git a/src/libthread/asm-Linux-power.s b/src/libthread/asm-Linux-power.s new file mode 100644 index 00000000..00bfec3e --- /dev/null +++ b/src/libthread/asm-Linux-power.s @@ -0,0 +1,80 @@ +/* get FPR and VR use flags with sc 0x7FF3 */ +/* get vsave with mfspr reg, 256 */ + +.text +.align 2 + +.globl _setlabel + +_setlabel: /* xxx: instruction scheduling */ + mflr 0 + mfcr 5 + mfctr 6 + mfxer 7 + stw 0, 0*4(3) + stw 5, 1*4(3) + stw 6, 2*4(3) + stw 7, 3*4(3) + + stw 1, 4*4(3) + stw 2, 5*4(3) + + stw 13, (0+6)*4(3) /* callee-save GPRs */ + stw 14, (1+6)*4(3) /* xxx: block move */ + stw 15, (2+6)*4(3) + stw 16, (3+6)*4(3) + stw 17, (4+6)*4(3) + stw 18, (5+6)*4(3) + stw 19, (6+6)*4(3) + stw 20, (7+6)*4(3) + stw 21, (8+6)*4(3) + stw 22, (9+6)*4(3) + stw 23, (10+6)*4(3) + stw 24, (11+6)*4(3) + stw 25, (12+6)*4(3) + stw 26, (13+6)*4(3) + stw 27, (14+6)*4(3) + stw 28, (15+6)*4(3) + stw 29, (16+6)*4(3) + stw 30, (17+6)*4(3) + stw 31, (18+6)*4(3) + + li 3, 0 /* return */ + blr + +.globl _gotolabel + +_gotolabel: + lwz 13, (0+6)*4(3) /* callee-save GPRs */ + lwz 14, (1+6)*4(3) /* xxx: block move */ + lwz 15, (2+6)*4(3) + lwz 16, (3+6)*4(3) + lwz 17, (4+6)*4(3) + lwz 18, (5+6)*4(3) + lwz 19, (6+6)*4(3) + lwz 20, (7+6)*4(3) + lwz 21, (8+6)*4(3) + lwz 22, (9+6)*4(3) + lwz 23, (10+6)*4(3) + lwz 24, (11+6)*4(3) + lwz 25, (12+6)*4(3) + lwz 26, (13+6)*4(3) + lwz 27, (14+6)*4(3) + lwz 28, (15+6)*4(3) + lwz 29, (16+6)*4(3) + lwz 30, (17+6)*4(3) + lwz 31, (18+6)*4(3) + + lwz 1, 4*4(3) + lwz 2, 5*4(3) + + lwz 0, 0*4(3) + mtlr 0 + lwz 0, 1*4(3) + mtcr 0 /* mtcrf 0xFF, r0 */ + lwz 0, 2*4(3) + mtctr 0 + lwz 0, 3*4(3) + mtxer 0 + li 3, 1 + blr diff --git a/src/libthread/power.c b/src/libthread/power.c new file mode 100644 index 00000000..b0a14e6f --- /dev/null +++ b/src/libthread/power.c @@ -0,0 +1,40 @@ +#include "threadimpl.h" + +static void +launcherpower(int a0, int a1, int a2, int a3, int a4, int a5, int a6, int a7, + void (*f)(void *arg), void *arg) +{ + (*f)(arg); + threadexits(nil); +} + +void +_threadinitstack(Thread *t, void (*f)(void*), void *arg) +{ + ulong *tos, *stk; + + tos = (ulong*)&t->stk[t->stksize&~7]; + stk = tos; + --stk; + --stk; + --stk; + --stk; + *--stk = (ulong)arg; + *--stk = (ulong)f; + t->sched.pc = (ulong)launcherpower+LABELDPC; + t->sched.sp = ((ulong)stk)-8; + *((ulong *)t->sched.sp) = 0; +} + +void +_threadinswitch(int enter) +{ + USED(enter); +} + +void +_threadstacklimit(void *addr, void *addr2) +{ + USED(addr); +} + diff --git a/src/libthread/sched.c b/src/libthread/sched.c index 60a8854b..81cc3439 100644 --- a/src/libthread/sched.c +++ b/src/libthread/sched.c @@ -26,7 +26,6 @@ _schedinit(void *arg) Proc *p; Thread *t; extern void ignusr1(int), _threaddie(int); - ignusr1(1); signal(SIGTERM, _threaddie); p = arg; diff --git a/src/libthread/tfork.c b/src/libthread/tfork.c new file mode 100644 index 00000000..0cbb4be9 --- /dev/null +++ b/src/libthread/tfork.c @@ -0,0 +1,23 @@ +#include <u.h> +#include <libc.h> +#include <thread.h> + +Channel *c; + +void +f(void *v) +{ + recvp(c); +} + +void +threadmain(int argc, char **argv) +{ + int i; + + c = chancreate(sizeof(ulong), 0); + for(i=0;; i++){ + print("%d\n", i); + proccreate(f, nil, 8192); + } +} |