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| author | andrew <andrew@FreeBSD.org> | 2015-05-11 18:52:06 +0000 |
|---|---|---|
| committer | andrew <andrew@FreeBSD.org> | 2015-05-11 18:52:06 +0000 |
| commit | 82ba7e94e92bcfb8640154cbb89f9ec5160d0931 (patch) | |
| tree | 3f0d30fbba75ebbbca8a96116a45dac91baa1afb /sys/arm/include/atomic.h | |
| parent | 34e58b2f1d9583b93611b2de597741ed326dd300 (diff) | |
| download | FreeBSD-src-82ba7e94e92bcfb8640154cbb89f9ec5160d0931.zip FreeBSD-src-82ba7e94e92bcfb8640154cbb89f9ec5160d0931.tar.gz | |
List both registers to use in the 64-bit atomic instructions. We will need
these to build for Thumb-2.
Diffstat (limited to 'sys/arm/include/atomic.h')
| -rw-r--r-- | sys/arm/include/atomic.h | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/sys/arm/include/atomic.h b/sys/arm/include/atomic.h index 57fdf71..48b4a33 100644 --- a/sys/arm/include/atomic.h +++ b/sys/arm/include/atomic.h @@ -151,10 +151,10 @@ atomic_set_64(volatile uint64_t *p, uint64_t val) __asm __volatile( "1: \n" - " ldrexd %[tmp], [%[ptr]]\n" + " ldrexd %Q[tmp], %R[tmp], [%[ptr]]\n" " orr %Q[tmp], %Q[val]\n" " orr %R[tmp], %R[val]\n" - " strexd %[exf], %[tmp], [%[ptr]]\n" + " strexd %[exf], %Q[tmp], %R[tmp], [%[ptr]]\n" " teq %[exf], #0\n" " it ne \n" " bne 1b\n" @@ -204,10 +204,10 @@ atomic_clear_64(volatile uint64_t *p, uint64_t val) __asm __volatile( "1: \n" - " ldrexd %[tmp], [%[ptr]]\n" + " ldrexd %Q[tmp], %R[tmp], [%[ptr]]\n" " bic %Q[tmp], %Q[val]\n" " bic %R[tmp], %R[val]\n" - " strexd %[exf], %[tmp], [%[ptr]]\n" + " strexd %[exf], %Q[tmp], %R[tmp], [%[ptr]]\n" " teq %[exf], #0\n" " it ne \n" " bne 1b\n" @@ -263,13 +263,13 @@ atomic_cmpset_64(volatile uint64_t *p, uint64_t cmpval, uint64_t newval) __asm __volatile( "1: \n" - " ldrexd %[tmp], [%[ptr]]\n" + " ldrexd %Q[tmp], %R[tmp], [%[ptr]]\n" " teq %Q[tmp], %Q[cmpval]\n" " itee eq \n" " teqeq %R[tmp], %R[cmpval]\n" " movne %[ret], #0\n" " bne 2f\n" - " strexd %[ret], %[newval], [%[ptr]]\n" + " strexd %[ret], %Q[newval], %R[newval], [%[ptr]]\n" " teq %[ret], #0\n" " it ne \n" " bne 1b\n" @@ -381,10 +381,10 @@ atomic_add_64(volatile uint64_t *p, uint64_t val) __asm __volatile( "1: \n" - " ldrexd %[tmp], [%[ptr]]\n" + " ldrexd %Q[tmp], %R[tmp], [%[ptr]]\n" " adds %Q[tmp], %Q[val]\n" - " adc %R[tmp], %R[val]\n" - " strexd %[exf], %[tmp], [%[ptr]]\n" + " adc %R[tmp], %R[tmp], %R[val]\n" + " strexd %[exf], %Q[tmp], %R[tmp], [%[ptr]]\n" " teq %[exf], #0\n" " it ne \n" " bne 1b\n" @@ -433,10 +433,10 @@ atomic_subtract_64(volatile uint64_t *p, uint64_t val) __asm __volatile( "1: \n" - " ldrexd %[tmp], [%[ptr]]\n" + " ldrexd %Q[tmp], %R[tmp], [%[ptr]]\n" " subs %Q[tmp], %Q[val]\n" - " sbc %R[tmp], %R[val]\n" - " strexd %[exf], %[tmp], [%[ptr]]\n" + " sbc %R[tmp], %R[tmp], %R[val]\n" + " strexd %[exf], %Q[tmp], %R[tmp], [%[ptr]]\n" " teq %[exf], #0\n" " it ne \n" " bne 1b\n" @@ -536,10 +536,10 @@ atomic_fetchadd_64(volatile uint64_t *p, uint64_t val) __asm __volatile( "1: \n" - " ldrexd %[ret], [%[ptr]]\n" + " ldrexd %Q[tmp], %R[tmp], [%[ptr]]\n" " adds %Q[tmp], %Q[ret], %Q[val]\n" " adc %R[tmp], %R[ret], %R[val]\n" - " strexd %[exf], %[tmp], [%[ptr]]\n" + " strexd %[exf], %Q[tmp], %R[tmp], [%[ptr]]\n" " teq %[exf], #0\n" " it ne \n" " bne 1b\n" @@ -560,10 +560,10 @@ atomic_readandclear_64(volatile uint64_t *p) __asm __volatile( "1: \n" - " ldrexd %[ret], [%[ptr]]\n" + " ldrexd %Q[ret], %R[ret], [%[ptr]]\n" " mov %Q[tmp], #0\n" " mov %R[tmp], #0\n" - " strexd %[exf], %[tmp], [%[ptr]]\n" + " strexd %[exf], %Q[tmp], %R[tmp], [%[ptr]]\n" " teq %[exf], #0\n" " it ne \n" " bne 1b\n" @@ -587,7 +587,7 @@ atomic_load_64(volatile uint64_t *p) */ __asm __volatile( "1: \n" - " ldrexd %[ret], [%[ptr]]\n" + " ldrexd %Q[ret], %R[ret], [%[ptr]]\n" " clrex \n" : [ret] "=&r" (ret) : [ptr] "r" (p) @@ -618,8 +618,8 @@ atomic_store_64(volatile uint64_t *p, uint64_t val) */ __asm __volatile( "1: \n" - " ldrexd %[tmp], [%[ptr]]\n" - " strexd %[exf], %[val], [%[ptr]]\n" + " ldrexd %Q[tmp], %R[tmp], [%[ptr]]\n" + " strexd %[exf], %Q[tmp], %R[tmp], [%[ptr]]\n" " teq %[exf], #0\n" " it ne \n" " bne 1b\n" |
