jenna
/
kernel_samsung_sm7125
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
65505 Commits
5 Branches
0 Tags
1.2 GiB
Tag: Branch: Tree: b4b510290b
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from 'b4b510290b'
${ noResults }
kernel_samsung_sm7125/include/asm-arm/arch-sa1100/entry-macro.S

48 lines
1.2 KiB
Raw Normal View History Unescape

Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
20 years ago
/*
* include/asm-arm/arch-sa1100/entry-macro.S
*
* Low-level IRQ helper macros for SA1100-based platforms
*
* 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
[ARM] 4185/2: entry: introduce get_irqnr_preamble and arch_ret_to_user get_irqnr_preamble allows machines to take some action before entering the get_irqnr_and_base loop. On iop we enable cp6 access. arch_ret_to_user is added to the userspace return path to allow individual architectures to take actions, like disabling coprocessor access, before the final return to userspace. Per Nicolas Pitre's note, there is no need to cp_wait on the return to user as the latency to return is sufficient. Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
18 years ago
.macro get_irqnr_preamble, base, tmp
[ARM] Use new get_irqnr_preamble Use the new get_irqnr_preamble macro to move the address of the IRQ controller outside the IRQ handling loop. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
18 years ago
mov \base, #0xfa000000 @ ICIP = 0xfa050000
add \base, \base, #0x00050000
[ARM] 4185/2: entry: introduce get_irqnr_preamble and arch_ret_to_user get_irqnr_preamble allows machines to take some action before entering the get_irqnr_and_base loop. On iop we enable cp6 access. arch_ret_to_user is added to the userspace return path to allow individual architectures to take actions, like disabling coprocessor access, before the final return to userspace. Per Nicolas Pitre's note, there is no need to cp_wait on the return to user as the latency to return is sufficient. Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
18 years ago
.endm
.macro arch_ret_to_user, tmp1, tmp2
.endm
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
20 years ago
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
[ARM] Use new get_irqnr_preamble Use the new get_irqnr_preamble macro to move the address of the IRQ controller outside the IRQ handling loop. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
18 years ago
ldr \irqstat, [\base] @ get irqs
ldr \irqnr, [\base, #4] @ ICMR = 0xfa050004
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
20 years ago
ands \irqstat, \irqstat, \irqnr
mov \irqnr, #0
beq 1001f
tst \irqstat, #0xff
moveq \irqstat, \irqstat, lsr #8
addeq \irqnr, \irqnr, #8
tsteq \irqstat, #0xff
moveq \irqstat, \irqstat, lsr #8
addeq \irqnr, \irqnr, #8
tsteq \irqstat, #0xff
moveq \irqstat, \irqstat, lsr #8
addeq \irqnr, \irqnr, #8
tst \irqstat, #0x0f
moveq \irqstat, \irqstat, lsr #4
addeq \irqnr, \irqnr, #4
tst \irqstat, #0x03
moveq \irqstat, \irqstat, lsr #2
addeq \irqnr, \irqnr, #2
tst \irqstat, #0x01
addeqs \irqnr, \irqnr, #1
1001:
.endm