From acee9e74f6bd183b284af028b1f08aab666df9be Mon Sep 17 00:00:00 2001 From: "leleraffa97@hotmail.it" Date: Mon, 19 Jun 2017 15:06:25 +0200 Subject: libc memset, memcmp boot improved program allocation --- sw/z80/kernel/programs.c | 29 ++++++++++++++++++++++++++++- 1 file changed, 28 insertions(+), 1 deletion(-) (limited to 'sw/z80/kernel/programs.c') diff --git a/sw/z80/kernel/programs.c b/sw/z80/kernel/programs.c index 0f75887..705ea96 100644 --- a/sw/z80/kernel/programs.c +++ b/sw/z80/kernel/programs.c @@ -1,4 +1,5 @@ #include "progman.h" +#include "string.h" #define EMPTY_PROG_INFO 0x0 @@ -37,9 +38,35 @@ int8_t prog_req(struct program_info *info) { void prog_alloc(int8_t id, struct program_info *info, const struct program_base *base) { - // TODO, implements program allocation + void *addr = (id ? PROG_1_PREFIX : PROG_0_PREFIX) + PROG_VSTART; + + if (info->enabled) { + + if (id) + prog_1_fquit(); // force quit operation + else + prog_0_fquit(); + } + + + memcpy(addr, base->inst_set, base->inst_size); + + addr += base->inst_size; + + memcpy(addr, base->bss_data, base->data_size); + + addr += base->data_size; + + // TODO, empty heap and stack } +/* +* TODO Called from the assembly, system calls +*/ + +extern void exec_0(void); +extern void exec_1(void); + void prog_exec(int8_t id, struct program_info *info) { // TODO, perform a program counter jump -- cgit v1.2.1