motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-09 18:44:58 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

armv7m: Make NVIC expose a memory region rather than mapping itself

Browse source 
Make the NVIC device expose a memory region for its users
to map, rather than mapping itself into the system memory
space on realize, and get the one user (the ARMv7M object)
to do this.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1487604965-23220-7-git-send-email-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2017-02-20 15:36:00 +00:00
parent 618119c2d3
commit 98957a94ef
2 changed files with 8 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

7
hw/intc/armv7m_nvic.c
View file

@ -19,7 +19,6 @@
#include "hw/arm/arm.h"
#include "hw/arm/armv7m_nvic.h"
#include "target/arm/cpu.h"
#include "exec/address-spaces.h"
#include "qemu/log.h"
#include "trace.h"
@ -1043,10 +1042,8 @@ static void armv7m_nvic_realize(DeviceState *dev, Error **errp)
"nvic_sysregs", 0x1000);
memory_region_add_subregion(&s->container, 0, &s->sysregmem);
/* Map the whole thing into system memory at the location required
* by the v7M architecture.
*/
memory_region_add_subregion(get_system_memory(), 0xe000e000, &s->container);
sysbus_init_mmio(SYS_BUS_DEVICE(dev), &s->container);
s->systick.timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, systick_timer_tick, s);
}