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Diffstat (limited to 'src/rt/arch/arm/context.cpp')
| -rw-r--r-- | src/rt/arch/arm/context.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/rt/arch/arm/context.cpp b/src/rt/arch/arm/context.cpp index 2c735e410fa..7d90668aad5 100644 --- a/src/rt/arch/arm/context.cpp +++ b/src/rt/arch/arm/context.cpp @@ -26,9 +26,11 @@ void context::call(void *f, void *arg, void *stack) // set up the stack uint32_t *sp = ( uint32_t *)stack; - //sp = align_down(sp); + sp = align_down(sp); // The final return address. 0 indicates the bottom of the stack - *--sp = 0; + // sp of arm eabi is 8-byte aligned + sp -= 2; + *sp = 0; regs.data[0] = ( uint32_t )arg; // r0 regs.data[13] = ( uint32_t )sp; //#52 sp, r13 |