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| author | Giovanni Di Sirio <gdisirio@gmail.com> | 2016-02-13 08:51:45 +0000 |
|---|---|---|
| committer | Giovanni Di Sirio <gdisirio@gmail.com> | 2016-02-13 08:51:45 +0000 |
| commit | 98cd062e820135b4759a21d9506a5df884527e7b (patch) | |
| tree | ac6dd8924039073eddf3a836faa05f21ea056e3b /os/nil | |
| parent | 2a48761772a3b774ac6ff8a2a907ef57a61eb277 (diff) | |
| download | ChibiOS-98cd062e820135b4759a21d9506a5df884527e7b.tar.gz ChibiOS-98cd062e820135b4759a21d9506a5df884527e7b.tar.bz2 ChibiOS-98cd062e820135b4759a21d9506a5df884527e7b.zip | |
Fixed bug #706.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@8874 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/nil')
| -rw-r--r-- | os/nil/ports/ARMCMx/compilers/GCC/nilcoreasm_v7m.s | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/os/nil/ports/ARMCMx/compilers/GCC/nilcoreasm_v7m.s b/os/nil/ports/ARMCMx/compilers/GCC/nilcoreasm_v7m.s index 298110f09..a98802798 100644 --- a/os/nil/ports/ARMCMx/compilers/GCC/nilcoreasm_v7m.s +++ b/os/nil/ports/ARMCMx/compilers/GCC/nilcoreasm_v7m.s @@ -64,8 +64,18 @@ _port_switch: #if CORTEX_USE_FPU
vpush {s16-s31}
#endif
+
str sp, [r1, #CONTEXT_OFFSET]
+#if (CORTEX_SIMPLIFIED_PRIORITY == FALSE) && \
+ ((CORTEX_MODEL == 3) || (CORTEX_MODEL == 4))
+ /* Workaround for ARM errata 752419, only applied if
+ condition exists for it to be triggered.*/
+ ldr r3, [r0, #CONTEXT_OFFSET]
+ mov sp, r3
+#else
ldr sp, [r0, #CONTEXT_OFFSET]
+#endif
+
#if CORTEX_USE_FPU
vpop {s16-s31}
#endif
|