diff options
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/amd64/amd64/gdt.c | 78 | ||||
| -rw-r--r-- | sys/arch/amd64/amd64/idt.c | 70 | ||||
| -rw-r--r-- | sys/arch/amd64/amd64/machdep.c | 69 | ||||
| -rw-r--r-- | sys/arch/amd64/amd64/pio.c | 74 | ||||
| -rw-r--r-- | sys/arch/amd64/amd64/reboot.c | 52 | ||||
| -rw-r--r-- | sys/arch/amd64/amd64/trap.S | 143 | ||||
| -rw-r--r-- | sys/arch/amd64/amd64/trap.c | 38 | ||||
| -rw-r--r-- | sys/arch/amd64/conf/GENERIC | 1 | ||||
| -rw-r--r-- | sys/arch/amd64/conf/link.ld | 47 |
9 files changed, 572 insertions, 0 deletions
diff --git a/sys/arch/amd64/amd64/gdt.c b/sys/arch/amd64/amd64/gdt.c new file mode 100644 index 0000000..d9b7bf2 --- /dev/null +++ b/sys/arch/amd64/amd64/gdt.c @@ -0,0 +1,78 @@ +/* + * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Hyra nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <machine/gdt.h> + +struct gdt_entry g_gdt_data[256] = { + /* Null */ + {0}, + + /* Kernel code (0x8) */ + { + .limit = 0x0000, + .base_low = 0x0000, + .base_mid = 0x00, + .access = 0x9A, + .granularity = 0x20, + .base_hi = 0x00 + }, + + /* Kernel data (0x10) */ + { + .limit = 0x0000, + .base_low = 0x0000, + .base_mid = 0x00, + .access = 0x92, + .granularity = 0x00, + .base_hi = 0x00 + }, + + /* User code (0x18) */ + { + .limit = 0x0000, + .base_low = 0x0000, + .base_mid = 0x00, + .access = 0xFA, + .granularity = 0xAF, + .base_hi = 0x00 + }, + + /* User data (0x20) */ + { + .limit = 0x0000, + .base_low = 0x0000, + .base_mid = 0x00, + .access = 0xF2, + .granularity = 0x00, + .base_hi = 0x00 + }, + + /* TSS segment (0x28) */ + {0} +}; diff --git a/sys/arch/amd64/amd64/idt.c b/sys/arch/amd64/amd64/idt.c new file mode 100644 index 0000000..a9507fc --- /dev/null +++ b/sys/arch/amd64/amd64/idt.c @@ -0,0 +1,70 @@ +/* + * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Hyra nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/types.h> +#include <machine/idt.h> +#include <machine/gdt.h> + +#define LIDT(idtr) __ASMV("lidt %0" :: "m" (idtr)) + +static struct idt_entry idt[256]; +static struct idtr idtr = { + .limit = sizeof(struct idt_entry) * 256 - 1, + .offset = (uintptr_t)&idt[0] +}; + +void +idt_set_desc(uint8_t vector, uint8_t type, uintptr_t isr, uint8_t ist) +{ + struct idt_entry *desc; + + if (vector >= 255) { + /* Invalid vector */ + return; + } + + desc = &idt[vector]; + desc->off_lo = isr & 0xFFFF; + desc->off_mid = (isr >> 16) & 0xFFFF; + desc->off_hi = (isr >> 32) & 0xFFFFFFFF; + desc->segsel = KERNEL_CS; + desc->type = type; + desc->dpl = (type == IDT_USER_INT_GATE) ? 3 : 0; + desc->p = 1; + desc->zero = 0; + desc->zero1 = 0; + desc->reserved = 0; + desc->ist = 0; +} + +void +idt_load(void) +{ + LIDT(idtr); +} diff --git a/sys/arch/amd64/amd64/machdep.c b/sys/arch/amd64/amd64/machdep.c new file mode 100644 index 0000000..19ba28a --- /dev/null +++ b/sys/arch/amd64/amd64/machdep.c @@ -0,0 +1,69 @@ +/* + * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Hyra nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/types.h> +#include <machine/cpu.h> +#include <machine/gdt.h> +#include <machine/idt.h> +#include <machine/trap.h> +#include <machine/asm.h> +#include <machine/cpuid.h> + +static struct cpu_info g_bsp_ci = {0}; +static struct gdtr bsp_gdtr = { + .limit = sizeof(struct gdt_entry) * 256 - 1, + .offset = (uintptr_t)&g_gdt_data[0] +}; + +static void +setup_vectors(void) +{ + idt_set_desc(0x0, IDT_TRAP_GATE, ISR(arith_err), 0); + idt_set_desc(0x2, IDT_TRAP_GATE, ISR(nmi), 0); + idt_set_desc(0x3, IDT_TRAP_GATE, ISR(breakpoint_handler), 0); + idt_set_desc(0x4, IDT_TRAP_GATE, ISR(overflow), 0); + idt_set_desc(0x5, IDT_TRAP_GATE, ISR(bound_range), 0); + idt_set_desc(0x6, IDT_TRAP_GATE, ISR(invl_op), 0); + idt_set_desc(0x8, IDT_TRAP_GATE, ISR(double_fault), 0); + idt_set_desc(0xA, IDT_TRAP_GATE, ISR(invl_tss), 0); + idt_set_desc(0xB, IDT_TRAP_GATE, ISR(segnp), 0); + idt_set_desc(0xC, IDT_TRAP_GATE, ISR(ss_fault), 0); + idt_set_desc(0xD, IDT_TRAP_GATE, ISR(general_prot), 0); + idt_set_desc(0xE, IDT_TRAP_GATE, ISR(page_fault), 0); +} + +void +cpu_startup(void) +{ + gdt_load(&bsp_gdtr); + idt_load(); + + setup_vectors(); + amd64_write_gs_base((uintptr_t)&g_bsp_ci); +} diff --git a/sys/arch/amd64/amd64/pio.c b/sys/arch/amd64/amd64/pio.c new file mode 100644 index 0000000..d4ce688 --- /dev/null +++ b/sys/arch/amd64/amd64/pio.c @@ -0,0 +1,74 @@ +/* + * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Hyra nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <machine/pio.h> +#include <sys/cdefs.h> +#include <sys/types.h> + +uint8_t +inb(uint16_t port) +{ + uint8_t result; + __ASMV("in %%dx, %%al" : "=a" (result) : "d" (port)); + return result; +} + +uint16_t +inw(uint16_t port) +{ + uint16_t val; + __ASMV("inw %w1, %w0" : "=a" (val) : "Nd" (port)); + return val; +} + +uint32_t +inl(uint16_t port) +{ + uint32_t val; + __ASMV("inl %w1, %0" : "=a" (val) : "Nd" (port)); + return val; +} + +void +outb(uint16_t port, uint8_t val) +{ + __ASMV("out %%al, %%dx" : :"a" (val), "d" (port)); +} + +void +outw(uint16_t port, uint16_t val) +{ + __ASMV("outw %w0, %w1" : : "a" (val), "Nd" (port)); +} + +void +outl(uint16_t port, uint32_t val) +{ + __ASMV("outl %0, %w1" : : "a" (val), "Nd" (port)); +} diff --git a/sys/arch/amd64/amd64/reboot.c b/sys/arch/amd64/amd64/reboot.c new file mode 100644 index 0000000..da1b46a --- /dev/null +++ b/sys/arch/amd64/amd64/reboot.c @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Hyra nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/reboot.h> +#include <sys/param.h> +#include <sys/cdefs.h> +#include <machine/pio.h> + +__always_inline static inline void +cpu_halt(void) +{ + __ASMV("cli; hlt"); +} + +void +cpu_reboot(int method) +{ + if (ISSET(method, REBOOT_HALT)) { + cpu_halt(); + } + + /* Pulse the reset line until the machine goes down */ + for (;;) { + outb(0x64, 0xFE); + } +} diff --git a/sys/arch/amd64/amd64/trap.S b/sys/arch/amd64/amd64/trap.S new file mode 100644 index 0000000..fb3ca77 --- /dev/null +++ b/sys/arch/amd64/amd64/trap.S @@ -0,0 +1,143 @@ +/* + * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Hyra nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <machine/frameasm.h> +#include <machine/trap.h> + +.macro handle_trap + mov %rsp, %rdi + call trap_handler +.endm + + .text + .globl breakpoint_handler +breakpoint_handler: + push_trapframe_ec $TRAP_BREAKPOINT + + handle_trap + + cli + hlt + + .globl arith_err +arith_err: + push_trapframe_ec $TRAP_ARITH_ERR + + handle_trap + + cli + hlt + + .globl overflow +overflow: + push_trapframe_ec $TRAP_OVERFLOW + + handle_trap + + cli + hlt + + .globl bound_range +bound_range: + push_trapframe_ec $TRAP_BOUND_RANGE + + handle_trap + + cli + hlt + + .globl invl_op +invl_op: + push_trapframe_ec $TRAP_INVLOP + + handle_trap + + cli + hlt + + .globl double_fault +double_fault: + push_trapframe_ec $TRAP_DOUBLE_FAULT + + handle_trap + + cli + hlt + + .globl invl_tss +invl_tss: + push_trapframe_ec $TRAP_INVLTSS + + handle_trap + + cli + hlt + + .globl segnp +segnp: + push_trapframe_ec $TRAP_SEGNP + + handle_trap + + cli + hlt + + .globl general_prot +general_prot: + push_trapframe_ec $TRAP_PROTFLT + + handle_trap + + cli + hlt + + .globl page_fault +page_fault: + push_trapframe_ec $TRAP_PAGEFLT + + handle_trap + cli + hlt + + .globl nmi +nmi: + push_trapframe_ec $TRAP_NMI + + handle_trap + + cli + hlt + + .globl ss_fault +ss_fault: + push_trapframe_ec $TRAP_SS + + handle_trap + cli + hlt diff --git a/sys/arch/amd64/amd64/trap.c b/sys/arch/amd64/amd64/trap.c new file mode 100644 index 0000000..dcae075 --- /dev/null +++ b/sys/arch/amd64/amd64/trap.c @@ -0,0 +1,38 @@ +/* + * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Hyra nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/reboot.h> +#include <machine/trap.h> +#include <machine/frame.h> + +void +trap_handler(struct trapframe *tf) +{ + cpu_reboot(REBOOT_HALT); +} diff --git a/sys/arch/amd64/conf/GENERIC b/sys/arch/amd64/conf/GENERIC new file mode 100644 index 0000000..70b786d --- /dev/null +++ b/sys/arch/amd64/conf/GENERIC @@ -0,0 +1 @@ +// TODO diff --git a/sys/arch/amd64/conf/link.ld b/sys/arch/amd64/conf/link.ld new file mode 100644 index 0000000..b073054 --- /dev/null +++ b/sys/arch/amd64/conf/link.ld @@ -0,0 +1,47 @@ +OUTPUT_FORMAT(elf64-x86-64) +OUTPUT_ARCH(i386:x86-64) +ENTRY(main) + +PHDRS +{ + text PT_LOAD FLAGS((1 << 0) | (1 << 2)) ; /* Execute + Read */ + rodata PT_LOAD FLAGS((1 << 2)) ; /* Read only */ + data PT_LOAD FLAGS((1 << 1) | (1 << 2)) ; /* Write + Read */ +} + +SECTIONS +{ + . = 0xFFFFFFFF80000000; + + .text : { + *(.text .text.*) + } :text + + . += CONSTANT(MAXPAGESIZE); + + .rodata : { + *(.rodata .rodata.*) + } :rodata + + .drivers : { + __drivers_init_start = .; + *(.drivers .drivers) + __drivers_init_end = .; + } :rodata + + . += CONSTANT(MAXPAGESIZE); + + .data : { + *(.data .data.*) + } :data + + .bss : { + *(COMMON) + *(.bss .bss.*) + } :data + + /DISCARD/ : { + *(.eh_frame) + *(.note .note.*) + } +} |