linker: Add MODINFOMD_SPLASH type

This mod type and structure holds the splash screen data and metadata. Differential Revision: https://reviews.freebsd.org/D45930 Reviewed by: tsoome Sponsored by: Beckhoff Automation GmbH & Co. KG
evadot · Jul 11, 2024 · 966e53a · 966e53a
1 parent b93028d
commit 966e53a
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Showing 3 changed files with 27 additions and 0 deletions.
diff --git a/sys/kern/subr_module.c b/sys/kern/subr_module.c
@@ -293,6 +293,7 @@ preload_bootstrap_relocate(vm_offset_t offset)
 	    switch (hdr[0]) {
 	    case MODINFO_ADDR:
 	    case MODINFO_METADATA|MODINFOMD_FONT:
+	    case MODINFO_METADATA|MODINFOMD_SPLASH:
 	    case MODINFO_METADATA|MODINFOMD_SSYM:
 	    case MODINFO_METADATA|MODINFOMD_ESYM:
 		ptr = (vm_offset_t *)(curp + (sizeof(uint32_t) * 2));
@@ -423,6 +424,11 @@ preload_modinfo_type(struct sbuf *sbp, int type)
 	case MODINFOMD_FONT:
 		sbuf_cat(sbp, "MODINFOMD_FONT");
 		break;
+#endif
+#ifdef MODINFOMD_SPLASH
+	case MODINFOMD_SPLASH:
+		sbuf_cat(sbp, "MODINFOMD_SPLASH");
+		break;
 #endif
 	default:
 		sbuf_cat(sbp, "unrecognized metadata type");
@@ -475,6 +481,9 @@ preload_modinfo_value(struct sbuf *sbp, uint32_t *bptr, int type, int len)
 #endif
 #ifdef MODINFOMD_FONT
 	case MODINFO_METADATA | MODINFOMD_FONT:
+#endif
+#ifdef MODINFOMD_SPLASH
+	case MODINFO_METADATA | MODINFOMD_SPLASH:
 #endif
 		sbuf_print_vmoffset(sbp, *(vm_offset_t *)bptr);
 		break;

diff --git a/sys/sys/linker.h b/sys/sys/linker.h
@@ -248,6 +248,7 @@ void linker_kldload_unbusy(int flags);
 #define MODINFOMD_FW_HANDLE	0x000c		/* Firmware dependent handle */
 #define MODINFOMD_KEYBUF	0x000d		/* Crypto key intake buffer */
 #define MODINFOMD_FONT		0x000e		/* Console font */
+#define MODINFOMD_SPLASH	0x000f		/* Console splash screen */
 #define MODINFOMD_NOCOPY	0x8000		/* don't copy this metadata to the kernel */
 
 #define MODINFOMD_DEPLIST	(0x4001 | MODINFOMD_NOCOPY)	/* depends on */

diff --git a/sys/sys/splash.h b/sys/sys/splash.h
@@ -0,0 +1,17 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2024 Beckhoff Automation GmbH & Co. KG
+ *
+ */
+
+#ifndef _SYS_SPLASH_H_
+#define	_SYS_SPLASH_H_
+
+struct splash_info {
+	uint32_t si_width;
+	uint32_t si_height;
+	uint32_t si_depth;
+};
+
+#endif	/* _SYS_SPLASH_H_ */