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| author | Kevin O'Connor <kevin@koconnor.net> | 2018-07-27 19:21:59 -0400 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2018-08-06 23:36:05 -0400 |
| commit | 50142cc1b34c1c414910cffc5bb42930874ca3d0 (patch) | |
| tree | bebd0f66adb5f94e359ecfb2b6a6aaa9f779d703 | |
| parent | 635a199a470969f830f2da6dc87694a09cdb196d (diff) | |
| download | kutter-50142cc1b34c1c414910cffc5bb42930874ca3d0.tar.gz kutter-50142cc1b34c1c414910cffc5bb42930874ca3d0.tar.xz kutter-50142cc1b34c1c414910cffc5bb42930874ca3d0.zip | |
armcm_irq: Enhance clear_active_irq() so it works on cortex-m0
Minor rework of the assembler so that it does not require thumb-2
instructions.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
| -rw-r--r-- | src/generic/armcm_irq.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/generic/armcm_irq.c b/src/generic/armcm_irq.c index 9b5a67d5..6421e049 100644 --- a/src/generic/armcm_irq.c +++ b/src/generic/armcm_irq.c @@ -61,9 +61,10 @@ clear_active_irq(void) " push { %1 }\n" " adr %0, 1f\n" " push { %0 }\n" - " push { r0, r1, r2, r3, r12, lr }\n" + " push { r0, r1, r2, r3, r4, lr }\n" " bx %2\n" + ".align 4\n" "1:\n" - : "=&r"(temp) : "r"(psr), "r"(0xfffffff9) : "cc"); + : "=&r"(temp) : "r"(psr), "r"(0xfffffff9) : "r12", "cc"); } DECL_SHUTDOWN(clear_active_irq); |