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[PATCH v4 66/80] ppc/prep: use memdev for RAM
From: |
Igor Mammedov |
Subject: |
[PATCH v4 66/80] ppc/prep: use memdev for RAM |
Date: |
Fri, 31 Jan 2020 16:09:36 +0100 |
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 <address@hidden>
Acked-by: David Gibson <address@hidden>
Acked-by: Mark Cave-Ayland <address@hidden>
---
hw/ppc/prep.c | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)
diff --git a/hw/ppc/prep.c b/hw/ppc/prep.c
index 862345c..bf75dde 100644
--- a/hw/ppc/prep.c
+++ b/hw/ppc/prep.c
@@ -400,7 +400,6 @@ static int PPC_NVRAM_set_params (Nvram *nvram, uint16_t
NVRAM_size,
/* PowerPC PREP hardware initialisation */
static void ppc_prep_init(MachineState *machine)
{
- ram_addr_t ram_size = machine->ram_size;
const char *kernel_filename = machine->kernel_filename;
const char *kernel_cmdline = machine->kernel_cmdline;
const char *initrd_filename = machine->initrd_filename;
@@ -413,7 +412,6 @@ static void ppc_prep_init(MachineState *machine)
MemoryRegion *xcsr = g_new(MemoryRegion, 1);
#endif
int linux_boot, i, nb_nics1;
- MemoryRegion *ram = g_new(MemoryRegion, 1);
uint32_t kernel_base, initrd_base;
long kernel_size, initrd_size;
DeviceState *dev;
@@ -444,15 +442,14 @@ static void ppc_prep_init(MachineState *machine)
qemu_register_reset(ppc_prep_reset, cpu);
}
- /* allocate RAM */
- memory_region_allocate_system_memory(ram, NULL, "ppc_prep.ram", ram_size);
- memory_region_add_subregion(sysmem, 0, ram);
+ /* map RAM */
+ memory_region_add_subregion(sysmem, 0, machine->ram);
if (linux_boot) {
kernel_base = KERNEL_LOAD_ADDR;
/* now we can load the kernel */
kernel_size = load_image_targphys(kernel_filename, kernel_base,
- ram_size - kernel_base);
+ machine->ram_size - kernel_base);
if (kernel_size < 0) {
error_report("could not load kernel '%s'", kernel_filename);
exit(1);
@@ -461,7 +458,7 @@ static void ppc_prep_init(MachineState *machine)
if (initrd_filename) {
initrd_base = INITRD_LOAD_ADDR;
initrd_size = load_image_targphys(initrd_filename, initrd_base,
- ram_size - initrd_base);
+ machine->ram_size - initrd_base);
if (initrd_size < 0) {
error_report("could not load initial ram disk '%s'",
initrd_filename);
@@ -576,7 +573,7 @@ static void ppc_prep_init(MachineState *machine)
sysctrl->nvram = m48t59;
/* Initialise NVRAM */
- PPC_NVRAM_set_params(m48t59, NVRAM_SIZE, "PREP", ram_size,
+ PPC_NVRAM_set_params(m48t59, NVRAM_SIZE, "PREP", machine->ram_size,
ppc_boot_device,
kernel_base, kernel_size,
kernel_cmdline,
@@ -596,6 +593,7 @@ static void prep_machine_init(MachineClass *mc)
mc->default_boot_order = "cad";
mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("602");
mc->default_display = "std";
+ mc->default_ram_id = "ppc_prep.ram";
}
static int prep_set_cmos_checksum(DeviceState *dev, void *opaque)
@@ -814,6 +812,7 @@ static void ibm_40p_machine_init(MachineClass *mc)
mc->init = ibm_40p_init;
mc->max_cpus = 1;
mc->default_ram_size = 128 * MiB;
+ mc->default_ram_id = "ppc_prep.ram";
mc->block_default_type = IF_SCSI;
mc->default_boot_order = "c";
mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("604");
--
2.7.4
- [PATCH v4 53/80] mips/mips_jazz: use memdev for RAM, (continued)
- [PATCH v4 53/80] mips/mips_jazz: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 58/80] ppc/e500: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 57/80] ppc/e500: drop RAM size fixup, Igor Mammedov, 2020/01/31
- [PATCH v4 56/80] mips/mips_r4k: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 54/80] mips/mips_malta: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 60/80] ppc/mac_oldworld: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 61/80] ppc/pnv: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 63/80] ppc/ppc405_boards: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 67/80] ppc/spapr: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 59/80] ppc/mac_newworld: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 66/80] ppc/prep: use memdev for RAM,
Igor Mammedov <=
- [PATCH v4 62/80] ppc/ppc405_boards: add RAM size checks, Igor Mammedov, 2020/01/31
- [PATCH v4 69/80] ppc/virtex_ml507: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 65/80] ppc/{ppc440_bamboo, sam460ex}: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 64/80] ppc/{ppc440_bamboo, sam460ex}: drop RAM size fixup, Igor Mammedov, 2020/01/31
- [PATCH v4 72/80] sparc/niagara: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 68/80] ppc/virtex_ml507: remove unused arguments, Igor Mammedov, 2020/01/31
- [PATCH v4 70/80] sparc/leon3: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 71/80] sparc/sun4m: use memdev for RAM, Igor Mammedov, 2020/01/31
- [PATCH v4 73/80] remove no longer used memory_region_allocate_system_memory(), Igor Mammedov, 2020/01/31
- [PATCH v4 75/80] exec: drop bogus mem_path from qemu_ram_alloc_from_fd(), Igor Mammedov, 2020/01/31