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hw/ppc/mac_newworld: Problem with Uninorth IRQ lines


From: Philippe Mathieu-Daudé
Subject: hw/ppc/mac_newworld: Problem with Uninorth IRQ lines
Date: Tue, 21 Feb 2023 14:44:57 +0100
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.8.0

Hi Mark,

The mac99 machines use the same PIC input IRQs for the Uninorth
output IRQs:

379     if (PPC_INPUT(env) != PPC_FLAGS_INPUT_970) {
380         /* Uninorth AGP bus */
381         for (i = 0; i < 4; i++) {
382             qdev_connect_gpio_out(uninorth_agp_dev, i,
383                                   qdev_get_gpio_in(pic_dev, 0x1b + i));
384         }
385
386         /* Uninorth internal bus */
387         for (i = 0; i < 4; i++) {
388             qdev_connect_gpio_out(uninorth_internal_dev, i,
389                                   qdev_get_gpio_in(pic_dev, 0x1b + i));
390         }
391     }

Did you mean to use an OR gate here?

Thanks,

Phil.



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