Re: [PATCH] ARM: V7M: Add dsb before jumping in handler mode

2016-08-17 Thread Vladimir Murzin
On 15/06/16 16:36, Vladimir Murzin wrote: > On 13/06/16 15:12, Alexandre TORGUE wrote: >> According to ARM AN321 (section 4.12): >> >> "If the vector table is in writable memory such as SRAM, either relocated >> by VTOR or a device dependent memory remapping mechanism, then >> architecturally a mem

Re: [PATCH] ARM: V7M: Add dsb before jumping in handler mode

2016-06-15 Thread Vladimir Murzin
On 13/06/16 15:12, Alexandre TORGUE wrote: > According to ARM AN321 (section 4.12): > > "If the vector table is in writable memory such as SRAM, either relocated > by VTOR or a device dependent memory remapping mechanism, then > architecturally a memory barrier instruction is required after the ve

[PATCH] ARM: V7M: Add dsb before jumping in handler mode

2016-06-13 Thread Alexandre TORGUE
According to ARM AN321 (section 4.12): "If the vector table is in writable memory such as SRAM, either relocated by VTOR or a device dependent memory remapping mechanism, then architecturally a memory barrier instruction is required after the vector table entry is updated, and if the exception is