| Message ID | 1579779525-20065-7-git-send-email-imammedo@redhat.com |
|---|---|
| State | New |
| Headers | show |
| Series | refactor main RAM allocation to use hostmem backend | expand |
On Thu, 23 Jan 2020, Igor Mammedov wrote: > memory_region_allocate_system_memory() API is going away, so > replace it with memdev allocated MemoryRegion. The later is > initialized by generic code, so board only needs to opt in > to memdev scheme by providing > MachineClass::default_ram_id > and using MachineState::ram instead of manually initializing > RAM memory region. > > Signed-off-by: Igor Mammedov <imammedo@redhat.com> > Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> > Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> > Acked-by: Richard Henderson <richard.henderson@linaro.org> > --- > hw/alpha/alpha_sys.h | 2 +- > hw/alpha/dp264.c | 3 ++- > hw/alpha/typhoon.c | 8 ++------ > 3 files changed, 5 insertions(+), 8 deletions(-) This still has a : instead of / in the patch title. Maybe should be alpha/dp264: ... Probably does not worth a respin but you could correct it if there will be another version for some other reason or when applying it. Regrards, BALATON Zoltan
On Thu, 23 Jan 2020 16:07:19 +0100 (CET) BALATON Zoltan <balaton@eik.bme.hu> wrote: > On Thu, 23 Jan 2020, Igor Mammedov wrote: > > memory_region_allocate_system_memory() API is going away, so > > replace it with memdev allocated MemoryRegion. The later is > > initialized by generic code, so board only needs to opt in > > to memdev scheme by providing > > MachineClass::default_ram_id > > and using MachineState::ram instead of manually initializing > > RAM memory region. > > > > Signed-off-by: Igor Mammedov <imammedo@redhat.com> > > Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> > > Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> > > Acked-by: Richard Henderson <richard.henderson@linaro.org> > > --- > > hw/alpha/alpha_sys.h | 2 +- > > hw/alpha/dp264.c | 3 ++- > > hw/alpha/typhoon.c | 8 ++------ > > 3 files changed, 5 insertions(+), 8 deletions(-) > > This still has a : instead of / in the patch title. Maybe should be > alpha/dp264: ... Probably does not worth a respin but you could correct it > if there will be another version for some other reason or when applying I plan to respin series, so it will be fixed up in v4 Thanks > it. > > Regrards, > BALATON Zoltan
diff --git a/hw/alpha/alpha_sys.h b/hw/alpha/alpha_sys.h index 95033d7..bc0a286 100644 --- a/hw/alpha/alpha_sys.h +++ b/hw/alpha/alpha_sys.h @@ -11,7 +11,7 @@ #include "hw/intc/i8259.h" -PCIBus *typhoon_init(ram_addr_t, ISABus **, qemu_irq *, AlphaCPU *[4], +PCIBus *typhoon_init(MemoryRegion *, ISABus **, qemu_irq *, AlphaCPU *[4], pci_map_irq_fn); /* alpha_pci.c. */ diff --git a/hw/alpha/dp264.c b/hw/alpha/dp264.c index f2026fd..29439c7 100644 --- a/hw/alpha/dp264.c +++ b/hw/alpha/dp264.c @@ -75,7 +75,7 @@ static void clipper_init(MachineState *machine) cpus[0]->env.trap_arg2 = smp_cpus; /* Init the chipset. */ - pci_bus = typhoon_init(ram_size, &isa_bus, &rtc_irq, cpus, + pci_bus = typhoon_init(machine->ram, &isa_bus, &rtc_irq, cpus, clipper_pci_map_irq); /* Since we have an SRM-compatible PALcode, use the SRM epoch. */ @@ -183,6 +183,7 @@ static void clipper_machine_init(MachineClass *mc) mc->max_cpus = 4; mc->is_default = 1; mc->default_cpu_type = ALPHA_CPU_TYPE_NAME("ev67"); + mc->default_ram_id = "ram"; } DEFINE_MACHINE("clipper", clipper_machine_init) diff --git a/hw/alpha/typhoon.c b/hw/alpha/typhoon.c index 179e1f7..1795e2f 100644 --- a/hw/alpha/typhoon.c +++ b/hw/alpha/typhoon.c @@ -58,7 +58,6 @@ typedef struct TyphoonState { TyphoonCchip cchip; TyphoonPchip pchip; MemoryRegion dchip_region; - MemoryRegion ram_region; } TyphoonState; /* Called when one of DRIR or DIM changes. */ @@ -817,8 +816,7 @@ static void typhoon_alarm_timer(void *opaque) cpu_interrupt(CPU(s->cchip.cpu[cpu]), CPU_INTERRUPT_TIMER); } -PCIBus *typhoon_init(ram_addr_t ram_size, ISABus **isa_bus, - qemu_irq *p_rtc_irq, +PCIBus *typhoon_init(MemoryRegion *ram, ISABus **isa_bus, qemu_irq *p_rtc_irq, AlphaCPU *cpus[4], pci_map_irq_fn sys_map_irq) { MemoryRegion *addr_space = get_system_memory(); @@ -851,9 +849,7 @@ PCIBus *typhoon_init(ram_addr_t ram_size, ISABus **isa_bus, /* Main memory region, 0x00.0000.0000. Real hardware supports 32GB, but the address space hole reserved at this point is 8TB. */ - memory_region_allocate_system_memory(&s->ram_region, OBJECT(s), "ram", - ram_size); - memory_region_add_subregion(addr_space, 0, &s->ram_region); + memory_region_add_subregion(addr_space, 0, ram); /* TIGbus, 0x801.0000.0000, 1GB. */ /* ??? The TIGbus is used for delivering interrupts, and access to