| Message ID | 20210906123139.93593-1-eric.auger@redhat.com (mailing list archive) |
|---|---|
| Headers | show |
| Series | hw/arm/virt_acpi_build: Generate DBG2 table | expand |
On Mon, 6 Sep 2021 14:31:36 +0200 Eric Auger <eric.auger@redhat.com> wrote: > This series generates the ACPI DBG2 table along with machvirt. > It applies on top of Igor's > [PATCH v2 00/35] acpi: refactor error prone build_header() and > packed structures usage in ACPI tables FYI: I'm preparing to post v3 today, with so far received feedback addressed. Change that will affect 3/3 is s/acpi_init_table|acpi_table_composed/acpi_table_begin|acpi_table_end/ > The DBG2 specification can be found at > https://docs.microsoft.com/en-us/windows-hardware/drivers/bringup/acpi-debug-port-table. > > DBG2 is mandated by ARM SBBR since its v1.0 release (the rationale > behind is Windows requires it on all systems). > > The DBG2 is used to describe a debug port, used by the kernel debugger. > > This series and its dependency can be found at > https://github.com/eauger/qemu.git > branch: dbg2-v2-igor-v2-fix > > History: > v1 -> v2: > - rebase on top of Igor's series and use acpi_init_table/acpi_table_composed > and build_append_int_noprefix() > > Eric Auger (3): > tests/acpi: Add void table for virt/DBG2 bios-tables-test > bios-tables-test: Generate reference table for virt/DBG2 > hw/arm/virt_acpi_build: Generate DBG2 table I'd swap 2/3 and 3/3, so it would be obvious where DBG2 comes from. > > hw/arm/virt-acpi-build.c | 64 +++++++++++++++++++++++++++++++++++++- > tests/data/acpi/virt/DBG2 | Bin 0 -> 87 bytes > 2 files changed, 63 insertions(+), 1 deletion(-) > create mode 100644 tests/data/acpi/virt/DBG2 >
On Mon, Sep 06, 2021 at 02:31:36PM +0200, Eric Auger wrote: > This series generates the ACPI DBG2 table along with machvirt. > It applies on top of Igor's > [PATCH v2 00/35] acpi: refactor error prone build_header() and > packed structures usage in ACPI tables > > The DBG2 specification can be found at > https://docs.microsoft.com/en-us/windows-hardware/drivers/bringup/acpi-debug-port-table. > > DBG2 is mandated by ARM SBBR since its v1.0 release (the rationale > behind is Windows requires it on all systems). > > The DBG2 is used to describe a debug port, used by the kernel debugger. Hi Eric, Did you test this in some way with a Linux guest? Thanks, drew > > This series and its dependency can be found at > https://github.com/eauger/qemu.git > branch: dbg2-v2-igor-v2-fix > > History: > v1 -> v2: > - rebase on top of Igor's series and use acpi_init_table/acpi_table_composed > and build_append_int_noprefix() > > Eric Auger (3): > tests/acpi: Add void table for virt/DBG2 bios-tables-test > bios-tables-test: Generate reference table for virt/DBG2 > hw/arm/virt_acpi_build: Generate DBG2 table > > hw/arm/virt-acpi-build.c | 64 +++++++++++++++++++++++++++++++++++++- > tests/data/acpi/virt/DBG2 | Bin 0 -> 87 bytes > 2 files changed, 63 insertions(+), 1 deletion(-) > create mode 100644 tests/data/acpi/virt/DBG2 > > -- > 2.26.3 >
Hi Drew, On 9/8/21 11:14 AM, Andrew Jones wrote: > On Mon, Sep 06, 2021 at 02:31:36PM +0200, Eric Auger wrote: >> This series generates the ACPI DBG2 table along with machvirt. >> It applies on top of Igor's >> [PATCH v2 00/35] acpi: refactor error prone build_header() and >> packed structures usage in ACPI tables >> >> The DBG2 specification can be found at >> https://docs.microsoft.com/en-us/windows-hardware/drivers/bringup/acpi-debug-port-table. >> >> DBG2 is mandated by ARM SBBR since its v1.0 release (the rationale >> behind is Windows requires it on all systems). >> >> The DBG2 is used to describe a debug port, used by the kernel debugger. > Hi Eric, > > Did you test this in some way with a Linux guest? no, I don't know how to test it functionaly. As I diff'ed against sbsa-ref generated table maybe guys using the sbsa-ref have some proper testing use case of it? Adding Hongbo and Leif in CC. Thanks Eric > > Thanks, > drew > >> This series and its dependency can be found at >> https://github.com/eauger/qemu.git >> branch: dbg2-v2-igor-v2-fix >> >> History: >> v1 -> v2: >> - rebase on top of Igor's series and use acpi_init_table/acpi_table_composed >> and build_append_int_noprefix() >> >> Eric Auger (3): >> tests/acpi: Add void table for virt/DBG2 bios-tables-test >> bios-tables-test: Generate reference table for virt/DBG2 >> hw/arm/virt_acpi_build: Generate DBG2 table >> >> hw/arm/virt-acpi-build.c | 64 +++++++++++++++++++++++++++++++++++++- >> tests/data/acpi/virt/DBG2 | Bin 0 -> 87 bytes >> 2 files changed, 63 insertions(+), 1 deletion(-) >> create mode 100644 tests/data/acpi/virt/DBG2 >> >> -- >> 2.26.3 >>