[PATCH 00/11] OpenSBI compile-time C arrays

Jessica Clarke jrtc27 at jrtc27.com
Mon May 2 20:54:10 PDT 2022


[resent cc’ing list…]

On 3 May 2022, at 04:52, Anup Patel <apatel at ventanamicro.com> wrote:
> 
> On Tue, May 3, 2022 at 9:12 AM Jessica Clarke <jrtc27 at jrtc27.com> wrote:
>> 
>>> On 3 May 2022, at 04:38, Anup Patel <apatel at ventanamicro.com> wrote:
>>> 
>>> This series aims at removing hard-coded C arrays for drivers and modules
>>> in OpenSBI sources and replace it with dynamically generated arrays at
>>> compile-time. External firmwares which use OpenSBI as library will have
>>> to create these arrays separately because they typically don't use OpenSBI
>>> build system.
>> 
>> Why not use linker sets? No scripts needed.
> 
> The problem is we can't assume anything about the build system of external
> firmware which use OpenSBI as library.


They require no build system support. Unlike your patch.

Jess

> Regards,
> Anup
> 
>> 
>> Jess
>> 
>>> These patches can also be found in generated_carray_v1 branch at:
>>> https://github.com/avpatel/opensbi.git
>>> 
>>> Anup Patel (11):
>>> Makefile: Allow generated C source to be anywhere in build directory
>>> Makefile: Add support for generating C array at compile time
>>> lib: utils/reset: Generate FDT reset driver list at compile-time
>>> lib: utils/serial: Generate FDT serial driver list at compile-time
>>> lib: utils/timer: Generate FDT timer driver list at compile-time
>>> lib: utils/irqchip: Generate FDT irqchip driver list at compile-time
>>> lib: utils/ipi: Generate FDT ipi driver list at compile-time
>>> lib: utils/i2c: Generate FDT i2c adapter driver list at compile-time
>>> lib: utils/gpio: Generate FDT gpio driver list at compile-time
>>> platform: generic: Generate platform override module list at
>>>   compile-time
>>> platform: generic: Move Sifive platform overrides into own directory
>>> 
>>> Makefile                                      | 17 +++-
>>> include/sbi_utils/gpio/fdt_gpio.h             |  2 +
>>> lib/utils/gpio/fdt_gpio.c                     | 18 ++---
>>> lib/utils/gpio/fdt_gpio_drivers.carray        |  3 +
>>> lib/utils/gpio/objects.mk                     |  4 +
>>> lib/utils/i2c/fdt_i2c.c                       | 14 ++--
>>> lib/utils/i2c/fdt_i2c_adapter_drivers.carray  |  3 +
>>> lib/utils/i2c/objects.mk                      |  4 +
>>> lib/utils/ipi/fdt_ipi.c                       | 12 ++-
>>> lib/utils/ipi/fdt_ipi_drivers.carray          |  3 +
>>> lib/utils/ipi/objects.mk                      |  4 +
>>> lib/utils/irqchip/fdt_irqchip.c               | 16 ++--
>>> lib/utils/irqchip/fdt_irqchip_drivers.carray  |  3 +
>>> lib/utils/irqchip/objects.mk                  |  8 ++
>>> lib/utils/reset/fdt_reset.c                   | 22 ++----
>>> lib/utils/reset/fdt_reset_drivers.carray      |  3 +
>>> lib/utils/reset/objects.mk                    | 12 +++
>>> lib/utils/serial/fdt_serial.c                 | 28 ++-----
>>> lib/utils/serial/fdt_serial_drivers.carray    |  3 +
>>> lib/utils/serial/objects.mk                   | 16 ++++
>>> lib/utils/timer/fdt_timer.c                   | 12 ++-
>>> lib/utils/timer/fdt_timer_drivers.carray      |  3 +
>>> lib/utils/timer/objects.mk                    |  4 +
>>> platform/generic/objects.mk                   |  3 +-
>>> platform/generic/platform.c                   | 14 ++--
>>> .../generic/platform_override_modules.carray  |  3 +
>>> .../{sifive_fu540.c => sifive/fu540.c}        |  0
>>> .../{sifive_fu740.c => sifive/fu740.c}        |  0
>>> platform/generic/sifive/objects.mk            |  9 +++
>>> scripts/carray.sh                             | 77 +++++++++++++++++++
>>> 30 files changed, 224 insertions(+), 96 deletions(-)
>>> create mode 100644 lib/utils/gpio/fdt_gpio_drivers.carray
>>> create mode 100644 lib/utils/i2c/fdt_i2c_adapter_drivers.carray
>>> create mode 100644 lib/utils/ipi/fdt_ipi_drivers.carray
>>> create mode 100644 lib/utils/irqchip/fdt_irqchip_drivers.carray
>>> create mode 100644 lib/utils/reset/fdt_reset_drivers.carray
>>> create mode 100644 lib/utils/serial/fdt_serial_drivers.carray
>>> create mode 100644 lib/utils/timer/fdt_timer_drivers.carray
>>> create mode 100644 platform/generic/platform_override_modules.carray
>>> rename platform/generic/{sifive_fu540.c => sifive/fu540.c} (100%)
>>> rename platform/generic/{sifive_fu740.c => sifive/fu740.c} (100%)
>>> create mode 100644 platform/generic/sifive/objects.mk
>>> create mode 100755 scripts/carray.sh
>>> 
>>> --
>>> 2.34.1
>>> 
>>> 
>>> --
>>> opensbi mailing list
>>> opensbi at lists.infradead.org
>>> http://lists.infradead.org/mailman/listinfo/opensbi



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