WIP: ld: add drivers section

JIRA: RTOS-848
phoenix-rtos · Jun 25, 2024 · ed09ef9 · ed09ef9
1 parent 320e253
commit ed09ef9
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Showing 5 changed files with 37 additions and 0 deletions.
diff --git a/devices/devs.c b/devices/devs.c
@@ -25,6 +25,11 @@ struct {
 } devs_common;
 
 
+/* Anchors for section which contains driver entries */
+extern const dev_t __dev_start[];
+extern const dev_t __dev_end[];
+
+
 void devs_register(unsigned int major, unsigned int nb, const dev_t *dev)
 {
 	unsigned int minor;
@@ -49,6 +54,10 @@ void devs_init(void)
 	unsigned int major;
 	unsigned int minor;
 
+	for (const dev_t *dev = __dev_start; dev < __dev_end; dev++) {
+		dev->init(0);
+	}
+
 	for (major = 0; major < SIZE_MAJOR; ++major) {
 		for (minor = 0; minor < SIZE_MINOR; ++minor) {
 			dev = devs_common.devs[major][minor];

diff --git a/ld/common/plo-arm.lds b/ld/common/plo-arm.lds
@@ -66,6 +66,13 @@ SECTIONS
 		__cmd_end = .;
 	} > PLO_IMAGE
 
+	/* section dedicated for PLO drivers */
+	.drivers : ALIGN(4) {
+		__dev_start = .;
+		KEEP (*(SORT_BY_NAME(drivers)))
+		__dev_end = .;
+	} > PLO_IMAGE
+
 	/* put .ARM.ex* the sections containing information for unwinding the stack */
 	.ARM.extab : {
 		PROVIDE_HIDDEN(__extab_start = .);

diff --git a/ld/common/plo-ia32.lds b/ld/common/plo-ia32.lds
@@ -66,6 +66,13 @@ SECTIONS
 		__cmd_end = .;
 	} > PLO_IMAGE
 
+	/* section dedicated for PLO drivers */
+	.drivers : ALIGN(4) {
+		__dev_start = .;
+		KEEP (*(SORT_BY_NAME(drivers)))
+		__dev_end = .;
+	} > PLO_IMAGE
+
 	.eh_frame_hdr : { *(.eh_frame_hdr) *(.eh_frame_entry .eh_frame_entry.*) } > PLO_IMAGE
 	.eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) *(.eh_frame.*) } > PLO_IMAGE
 

diff --git a/ld/common/plo-riscv64.lds b/ld/common/plo-riscv64.lds
@@ -62,6 +62,13 @@ SECTIONS
 		__cmd_end = .;
 	} > PLO_IMAGE
 
+	/* section dedicated for PLO drivers */
+	.drivers : ALIGN(8) {
+		__dev_start = .;
+		KEEP (*(SORT_BY_NAME(drivers)))
+		__dev_end = .;
+	} > PLO_IMAGE
+
 	.eh_frame_hdr : { *(.eh_frame_hdr) *(.eh_frame_entry .eh_frame_entry.*) } > PLO_IMAGE
 	.eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) *(.eh_frame.*) } > PLO_IMAGE
 

diff --git a/ld/common/plo-sparc.lds b/ld/common/plo-sparc.lds
@@ -48,6 +48,13 @@ SECTIONS
 		__cmd_end = .;
 	} > PLO_IMAGE
 
+	/* section dedicated for PLO drivers */
+	.drivers : ALIGN(4) {
+		__dev_start = .;
+		KEEP (*(SORT_BY_NAME(drivers)))
+		__dev_end = .;
+	} > PLO_IMAGE
+
 	.eh_frame_hdr : { *(.eh_frame_hdr) *(.eh_frame_entry .eh_frame_entry.*) } > PLO_IMAGE
 	.eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) *(.eh_frame.*) } > PLO_IMAGE