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| /freebsd-11-stable/sys/arm/arm/ | ||
| H A D | cpufunc_asm_xscale_c3.S | diff 261393 Sat Feb 01 23:02:11 MST 2014 ian Update all arm code that manipulates the PSR registers to use modern syntax. It turns out the version of gas we're using interprets the old '_all' mask as 'fc' instead of 'fsxc'. That is, "all" doesn't really mean "all". This was the cause of the "wrong-endian register restore" bug that's been causing problems with some cortex-a9 chips. The 'endian' bit in the spsr register would never get changed (it falls into the 'x' mask group) and the first return-from-exception would fail if the chip had powered on with garbage in the spsr register that included the big-endian bit. It's unknown why this affected only certain cortex-a9 chips. |
| H A D | locore-v4.S | diff 261393 Sat Feb 01 23:02:11 MST 2014 ian Update all arm code that manipulates the PSR registers to use modern syntax. It turns out the version of gas we're using interprets the old '_all' mask as 'fc' instead of 'fsxc'. That is, "all" doesn't really mean "all". This was the cause of the "wrong-endian register restore" bug that's been causing problems with some cortex-a9 chips. The 'endian' bit in the spsr register would never get changed (it falls into the 'x' mask group) and the first return-from-exception would fail if the chip had powered on with garbage in the spsr register that included the big-endian bit. It's unknown why this affected only certain cortex-a9 chips. |
| /freebsd-11-stable/sys/arm/include/ | ||
| H A D | atomic-v4.h | diff 261393 Sat Feb 01 23:02:11 MST 2014 ian Update all arm code that manipulates the PSR registers to use modern syntax. It turns out the version of gas we're using interprets the old '_all' mask as 'fc' instead of 'fsxc'. That is, "all" doesn't really mean "all". This was the cause of the "wrong-endian register restore" bug that's been causing problems with some cortex-a9 chips. The 'endian' bit in the spsr register would never get changed (it falls into the 'x' mask group) and the first return-from-exception would fail if the chip had powered on with garbage in the spsr register that included the big-endian bit. It's unknown why this affected only certain cortex-a9 chips. |
| H A D | atomic.h | diff 261393 Sat Feb 01 23:02:11 MST 2014 ian Update all arm code that manipulates the PSR registers to use modern syntax. It turns out the version of gas we're using interprets the old '_all' mask as 'fc' instead of 'fsxc'. That is, "all" doesn't really mean "all". This was the cause of the "wrong-endian register restore" bug that's been causing problems with some cortex-a9 chips. The 'endian' bit in the spsr register would never get changed (it falls into the 'x' mask group) and the first return-from-exception would fail if the chip had powered on with garbage in the spsr register that included the big-endian bit. It's unknown why this affected only certain cortex-a9 chips. |
| H A D | atomic-v6.h | diff 261393 Sat Feb 01 23:02:11 MST 2014 ian Update all arm code that manipulates the PSR registers to use modern syntax. It turns out the version of gas we're using interprets the old '_all' mask as 'fc' instead of 'fsxc'. That is, "all" doesn't really mean "all". This was the cause of the "wrong-endian register restore" bug that's been causing problems with some cortex-a9 chips. The 'endian' bit in the spsr register would never get changed (it falls into the 'x' mask group) and the first return-from-exception would fail if the chip had powered on with garbage in the spsr register that included the big-endian bit. It's unknown why this affected only certain cortex-a9 chips. |
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