On Mon, Apr 3, 2023 at 10:54 AM Peter Maydell <peter.mayd...@linaro.org> wrote:
> On Mon, 3 Apr 2023 at 13:51, Lucas Villa Real <luca...@gmail.com> wrote: > > > > stm32vldiscovery comes with 8KB of SRAM, which may be too low when > > running some workloads on QEMU. The command line argument "-m mem_size" > > is not recognized by the current implementation, though, so one cannot > > easily override the default memory size. > > > > This patch fixes that by adding a memory subregion according to the > > value provided on that command line argument. If absent, the default > > value of 8KB still applies. > > > > Signed-off-by: Lucas Villa Real <lu...@osdyne.com> > > Does the real hardware have (options for) more than 8K of SRAM here ? > > thanks > -- PMM > Yes, it's possible to add more (p)SRAM via the STM32F10xxx's FSMC (flexible static memory controller). The new memory is mapped to FSMC bank 1 at 0x6000_0000, though (as opposed to the embedded SRAM's fixed address at 0x2000_0000), as I have now realized. I'm happy to send an updated patch so that "-m mem_size" creates a memory subregion at 0x6000_0000 instead. Best regards, Lucas