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c2f37b9245
freebsd-dev/sys/arm
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John Baldwin c2f37b9245 Add AT_HWCAP and AT_EHDRFLAGS on all platforms. 
A new 'u_long *sv_hwcap' field is added to 'struct sysentvec'.  A
process ABI can set this field to point to a value holding a mask of
architecture-specific CPU feature flags.  If an ABI does not wish to
supply AT_HWCAP to processes the field can be left as NULL.

The support code for AT_EHDRFLAGS was already present on all systems,
just the #define was not present.  This is a step towards unifying the
AT_* constants across platforms.

Reviewed by:	kib
MFC after:	1 month
Differential Revision:	https://reviews.freebsd.org/D12290
2017-09-14 14:26:55 +00:00
..
allwinner Add gpio methods to read/write/configure up to 32 pins simultaneously. 2017-09-10 18:08:25 +00:00
altera/socfpga Add FPGA manager driver for Intel Arria 10. 2017-03-03 14:19:37 +00:00
amlogic/aml8726 Add and use a MMC_DECLARE_BRIDGE macro for declaring mmc(4) bridges 2017-03-07 22:42:44 +00:00
annapurna/alpine Add PLATFORM and PLATFORM_SMP support to the ALPINE kernel configuration. 2017-07-04 12:26:47 +00:00
arm Disable the ARM generic timers before interrupts are enabled. Some 2017-09-03 09:41:40 +00:00
at91 Defer attaching and probing iicbus and its children until interrupts are 2017-09-13 16:54:27 +00:00
broadcom/bcm2835 Defer attaching and probing iicbus and its children until interrupts are 2017-09-13 16:54:27 +00:00
cavium/cns11xx Allow setting access-width for UART registers. 2017-02-27 20:08:42 +00:00
cloudabi32 Move struct syscall_args syscall arguments parameters container into 2017-06-12 21:03:23 +00:00
conf Add MMCCAM-enabled kernel config for IMX6, reduce debug noice in MMCCAM kernels 2017-09-13 10:56:02 +00:00
freescale Defer attaching and probing iicbus and its children until interrupts are 2017-09-13 16:54:27 +00:00
include Add AT_HWCAP and AT_EHDRFLAGS on all platforms. 2017-09-14 14:26:55 +00:00
lpc Add and use a MMC_DECLARE_BRIDGE macro for declaring mmc(4) bridges 2017-03-07 22:42:44 +00:00
mv Add Armada 80x0/70x0 compatible to 38x RTC driver 2017-09-05 05:45:57 +00:00
nvidia Restore original (pre r315760) naming for Tegra SDHCI device. 2017-03-23 08:16:53 +00:00
qemu Make the default FDT implementation of platform_mp_setmaxid use the cpu 2017-03-17 12:45:53 +00:00
ralink [arm] [rt1310] add initial RT1310 SoC code. 2017-05-06 06:14:46 +00:00
rockchip Remake support for SMP kernel on UP cpu: 2017-02-02 06:14:44 +00:00
samsung/exynos Add a delay count to the last few places. This will help make MULTIDELAY 2017-07-04 17:15:23 +00:00
ti Defer attaching and probing iicbus and its children until interrupts are 2017-09-13 16:54:27 +00:00
versatile Move the simple armv6 only timer drivers to require MULTIDELAY to help 2017-07-04 18:07:09 +00:00
xilinx Add external PLATFORM access on arm, and use it in the pl310 driver. 2017-07-11 16:30:16 +00:00
xscale Allow setting access-width for UART registers. 2017-02-27 20:08:42 +00:00