From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- arch/arm/mach-vt8500/include/mach/entry-macro.S | 32 +++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 arch/arm/mach-vt8500/include/mach/entry-macro.S (limited to 'arch/arm/mach-vt8500/include/mach/entry-macro.S') diff --git a/arch/arm/mach-vt8500/include/mach/entry-macro.S b/arch/arm/mach-vt8500/include/mach/entry-macro.S new file mode 100644 index 00000000..92684c7e --- /dev/null +++ b/arch/arm/mach-vt8500/include/mach/entry-macro.S @@ -0,0 +1,32 @@ +/* + * arch/arm/mach-vt8500/include/mach/entry-macro.S + * + * Low-level IRQ helper macros for VIA VT8500 + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + + .macro disable_fiq + .endm + + .macro get_irqnr_preamble, base, tmp + @ physical 0xd8140000 is virtual 0xf8140000 + mov \base, #0xf8000000 + orr \base, \base, #0x00140000 + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + ldr \irqnr, [\base] + cmp \irqnr, #63 @ may be false positive, check interrupt status + bne 1001f + ldr \irqstat, [\base, #0x84] + ands \irqstat, #0x80000000 + moveq \irqnr, #0 +1001: + .endm + -- cgit v1.2.3