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[153.129.99.159]) by smtp.googlemail.com with ESMTPSA id d9443c01a7336-2df6a5c18c1sm24683465ad.36.2026.09.24.04.19.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 24 Sep 2026 04:19:11 -0700 (PDT) From: Daniel Palmer To: sammy@sammy.net, geert@linux-m68k.org, linux-m68k@lists.linux-m68k.org Cc: linux-kernel@vger.kernel.org, Daniel Palmer Subject: [PATCH 2/2] m68k: sun3: add an early boot console over the PROM Date: Thu, 24 Sep 2026 20:18:51 +0900 Message-ID: <20260924111851.3501100-3-daniel@0x0f.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260924111851.3501100-1-daniel@0x0f.com> References: <20260924111851.3501100-1-daniel@0x0f.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Register a CON_BOOT console that writes through the resident PROM's polled character output (prom_putchar()). Assisted-by: Claude:claude-fable-5.1 Signed-off-by: Daniel Palmer --- arch/m68k/sun3/config.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/arch/m68k/sun3/config.c b/arch/m68k/sun3/config.c index cb4e19b95a1b..49821c28a641 100644 --- a/arch/m68k/sun3/config.c +++ b/arch/m68k/sun3/config.c @@ -145,11 +145,33 @@ static void __init sun3_bootmem_alloc(unsigned long memory_start, m68k_setup_node(0); } +/* Early boot console over the resident PROM's polled character output. */ +static void sun3_early_console_write(struct console *con, const char *s, + unsigned int n) +{ + while (n-- > 0) { + if (*s == '\n') + prom_putchar('\r'); + prom_putchar(*s++); + } +} + +static struct console sun3_early_console = { + .name = "sun3prom", + .write = sun3_early_console_write, + .flags = CON_PRINTBUFFER | CON_BOOT, + .index = -1, +}; void __init config_sun3(void) { unsigned long memory_start, memory_end; + if (!sun3_early_console.data) { + sun3_early_console.data = &sun3_early_console; + register_console(&sun3_early_console); + } + pr_info("ARCH: SUN3\n"); idprom_init(); -- 2.55.0