[PATCHv2 0/4] SPARC32 memory fixups
by Mark Cave-Ayland
This patchset contains some minor SPARC32 fixups, including clearing
all physical RAM on startup. This fixes rebooting under Solaris which
evidently doesn't clear memory for some key internal memory structures
before attempting to use them at boot.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland(a)ilande.co.uk>
v2:
- Move physical memory initialisation to early startup
Mark Cave-Ayland (4):
SPARC32: minor tidy-up for boot.c
SPARC32: fix initialisation of L1 page table
SPARC32: mark pre-loaded kernel image memory as being in use
SPARC32: clear physical memory upon startup
openbios-devel/arch/sparc32/boot.c | 5 +----
openbios-devel/arch/sparc32/entry.S | 37 ++++++++++++++++++++++++++++++++
openbios-devel/arch/sparc32/lib.c | 2 +-
openbios-devel/arch/sparc32/openbios.c | 7 +++++-
4 files changed, 45 insertions(+), 6 deletions(-)
--
1.7.10.4
4 years
- 1
- 4
[PATCH 0/4] SPARC32 memory fixups
by Mark Cave-Ayland
This patchset contains some minor SPARC32 fixups, as well as clearing
all physical RAM on startup. This fixes rebooting under Solaris which
evidently doesn't clear memory for some key internal memory structures
before attempting to use them at boot.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland(a)ilande.co.uk>
Mark Cave-Ayland (4):
SPARC32: minor tidy-up for boot.c
SPARC32: fix initialisation of L1 page table
SPARC32: make pre-loaded kernel image memory as being in use
SPARC32: clear unused physical memory upon startup
openbios-devel/arch/sparc32/boot.c | 5 +----
openbios-devel/arch/sparc32/boot.h | 1 +
openbios-devel/arch/sparc32/lib.c | 13 ++++++++++++-
openbios-devel/arch/sparc32/openbios.c | 19 +++++++++++++++++--
4 files changed, 31 insertions(+), 7 deletions(-)
--
1.7.10.4
4 years
- 1
- 4
Re: [OpenBIOS] [PATCH 2/2] SPARC64: add an eeprom node to the device tree
by Mark Cave-Ayland
On 19/01/15 13:24, Artyom Tarasenko wrote:
> Hi Mark,
>
> back then I was in a hurry to get it in an upcoming release. Now as we
> are not in a rush...
Ha! ;)
> On Mon, Jan 19, 2015 at 2:09 PM, Mark Cave-Ayland
> <mark.cave-ayland(a)ilande.co.uk> wrote:
>> From: Artyom Tarasenko <atar4qemu(a)gmail.com>
>>
>> Add eeprom node to the device tree to make device visible for
>> the guest OS.
>>
>> Signed-off-by: Artyom Tarasenko <atar4qemu(a)gmail.com>
>> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland(a)ilande.co.uk>
>> ---
>> openbios-devel/drivers/pci.c | 20 ++++++++++++++++++++
>> 1 file changed, 20 insertions(+)
>>
>> diff --git a/openbios-devel/drivers/pci.c b/openbios-devel/drivers/pci.c
>> index 3260354..366f4a1 100644
>> --- a/openbios-devel/drivers/pci.c
>> +++ b/openbios-devel/drivers/pci.c
>> @@ -831,6 +831,26 @@ int ebus_config_cb(const pci_config_t *config)
>>
>> set_property(dev, "ranges", (char *)props, ncells * sizeof(props[0]));
>>
>> + /* Build eeprom node */
>> + fword("new-device");
>> + PUSH(0x14);
>> + fword("encode-int");
>> + PUSH(0x2000);
>
> PUSH(NVRAM_BASE)
>
>> + fword("encode-int");
>> + fword("encode+");
>> + PUSH(0x2000);
>
> PUSH(NVRAM_SIZE);
>
>> + fword("encode-int");
>> + fword("encode+");
>> + push_str("reg");
>> + fword("property");
>> +
>> + push_str("mk48t59");
>> + fword("model");
>> +
>> + push_str("eeprom");
>> + fword("device-name");
>> + fword("finish-device");
>> +
>> #ifdef CONFIG_DRIVER_FLOPPY
>> ob_floppy_init(config->path, "fdthree", 0x3f0ULL, 0);
>> #endif
>> --
>> 1.7.10.4
Looks fairly sensible. I'll make the changes and respin in a bit...
ATB,
Mark.
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