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| author | Alex Auvolat <alex.auvolat@ens.fr> | 2015-02-13 22:44:10 +0100 |
|---|---|---|
| committer | Alex Auvolat <alex.auvolat@ens.fr> | 2015-02-13 22:44:10 +0100 |
| commit | 706c69d40fcc46e7d7f170dab932d3c7fcc7c34e (patch) | |
| tree | 5248ff8712eced5bc4fdd76e9399654ce5224a37 /src/kernel/core | |
| parent | 47e6cd42f0744f6c04b8347093f6549339a856c9 (diff) | |
| download | kogata-706c69d40fcc46e7d7f170dab932d3c7fcc7c34e.tar.gz kogata-706c69d40fcc46e7d7f170dab932d3c7fcc7c34e.zip | |
Begin implementation of syscalls.
Diffstat (limited to 'src/kernel/core')
| -rw-r--r-- | src/kernel/core/idt.c | 10 | ||||
| -rw-r--r-- | src/kernel/core/interrupt.s | 4 | ||||
| -rw-r--r-- | src/kernel/core/kmain.c | 3 |
3 files changed, 10 insertions, 7 deletions
diff --git a/src/kernel/core/idt.c b/src/kernel/core/idt.c index e1862c9..0459a21 100644 --- a/src/kernel/core/idt.c +++ b/src/kernel/core/idt.c @@ -4,6 +4,7 @@ #include <string.h> #include <dbglog.h> #include <thread.h> +#include <syscall.h> struct idt_entry { uint16_t base_lo; //Low part of address to jump to @@ -89,7 +90,7 @@ static isr_handler_t irq_handlers[16] = {0}; static isr_handler_t ex_handlers[32] = {0}; /* Called in interrupt.s when an exception fires (interrupt 0 to 31) */ -void idt_exHandler(registers_t *regs) { +void idt_ex_handler(registers_t *regs) { if (ex_handlers[regs->int_no] != 0) { ex_handlers[regs->int_no](regs); } else { @@ -105,7 +106,7 @@ void idt_exHandler(registers_t *regs) { } /* Called in interrupt.s when an IRQ fires (interrupt 32 to 47) */ -void idt_irqHandler(registers_t *regs) { +void idt_irq_handler(registers_t *regs) { if (regs->err_code > 7) { outb(0xA0, 0x20); } @@ -117,9 +118,8 @@ void idt_irqHandler(registers_t *regs) { } /* Caled in interrupt.s when a syscall is called */ -void idt_syscallHandler(registers_t *regs) { - dbg_printf("Syscall %i (not implemented yet)\n", regs->int_no); - // do nothing, yet. +void idt_syscall_handler(registers_t *regs) { + syscall_handler(regs); } /* For internal use only. Sets up an entry of the IDT with given parameters. */ diff --git a/src/kernel/core/interrupt.s b/src/kernel/core/interrupt.s index d40fff0..8fb71e8 100644 --- a/src/kernel/core/interrupt.s +++ b/src/kernel/core/interrupt.s @@ -1,7 +1,7 @@ ;************************************************************************************ %macro COMMONSTUB 1 -[EXTERN idt_%1Handler] +[EXTERN idt_%1_handler] %1_common_stub: pusha ; Pushes edi,esi,ebp,esp,ebx,edx,ecx,eax @@ -19,7 +19,7 @@ ; (passing it directly results in GCC trashing the data when doing optimisations) mov eax, esp push eax - call idt_%1Handler + call idt_%1_handler add esp, 4 pop eax ; reload the original data segment descriptor diff --git a/src/kernel/core/kmain.c b/src/kernel/core/kmain.c index 5572ac4..ee6d8b2 100644 --- a/src/kernel/core/kmain.c +++ b/src/kernel/core/kmain.c @@ -17,6 +17,7 @@ #include <nullfs.h> #include <process.h> #include <elf.h> +#include <syscall.h> #include <slab_alloc.h> #include <hashtbl.h> @@ -270,6 +271,8 @@ void kmain(multiboot_info_t *mbd, int32_t mb_magic) { kmalloc_setup(); kmalloc_test(kernel_data_end); + setup_syscalls(); + // enter multi-threading mode // interrupts are enabled at this moment, so all // code run from now on should be preemtible (ie thread-safe) |