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feat: native .opc executable binary format, hardware PCI GPU driver, terminal text editor, and web browser

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This commit is contained in:
RarDog
2026-09-03 10:20:25 +03:00
parent e9d9b8e365
commit ca75e961f9
17 changed files with 1213 additions and 19 deletions
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lib/libc/src/net.c
+102
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@@ -184,3 +184,105 @@ void format_ip(uint32_t ip, char *buf) {
}
buf[len] = '\0';
}
int net_http_get(uint32_t target_ip, uint16_t port, const char *path, char *out_body, size_t max_body_len) {
if (!out_body || max_body_len == 0) return -1;
if (!path || !*path) path = "/";
// 1. Craft TCP SYN packet
uint8_t packet[128] = {0};
eth_hdr_t *eth = (eth_hdr_t *)packet;
ipv4_hdr_t *ip = (ipv4_hdr_t *)(packet + sizeof(eth_hdr_t));
tcp_hdr_t *tcp = (tcp_hdr_t *)(packet + sizeof(eth_hdr_t) + sizeof(ipv4_hdr_t));
uint16_t local_port = 49152 + (uint16_t)(target_ip & 0x3FF);
uint32_t my_seq = 0x10002000;
// Ethernet Header
memcpy(eth->dest_mac, g_gateway_mac, 6);
memcpy(eth->src_mac, g_net_cfg.mac, 6);
eth->ethertype = htons(ETHERTYPE_IPv4);
// IPv4 Header
ip->version_ihl = 0x45;
ip->tos = 0;
ip->total_length = htons(sizeof(ipv4_hdr_t) + sizeof(tcp_hdr_t));
ip->id = htons(0x4321);
ip->flags_fragment = htons(0x4000);
ip->ttl = 64;
ip->protocol = IP_PROTO_TCP;
ip->src_ip = g_net_cfg.ip;
ip->dst_ip = target_ip;
ip->checksum = 0;
ip->checksum = net_checksum(ip, sizeof(ipv4_hdr_t));
// TCP SYN Header
tcp->src_port = htons(local_port);
tcp->dst_port = htons(port);
tcp->seq_num = (uint32_t)(((my_seq & 0xFF) << 24) | ((my_seq & 0xFF00) << 8) | ((my_seq >> 8) & 0xFF00) | ((my_seq >> 24) & 0xFF));
tcp->ack_num = 0;
tcp->data_offset_reserved = (5 << 4); // 20 bytes header
tcp->flags = TCP_FLAG_SYN;
tcp->window_size = htons(65535);
tcp->checksum = 0;
tcp->urgent_ptr = 0;
// Send SYN
rtl8139_send_packet(packet, sizeof(eth_hdr_t) + sizeof(ipv4_hdr_t) + sizeof(tcp_hdr_t));
// Poll for packet
uint8_t rx_buf[1600];
for (int retry = 0; retry < 30; retry++) {
int rx_len = rtl8139_poll_packet(rx_buf, sizeof(rx_buf));
if (rx_len > (int)(sizeof(eth_hdr_t) + sizeof(ipv4_hdr_t) + sizeof(tcp_hdr_t))) {
eth_hdr_t *rx_eth = (eth_hdr_t *)rx_buf;
if (htons(rx_eth->ethertype) == ETHERTYPE_IPv4) {
ipv4_hdr_t *rx_ip = (ipv4_hdr_t *)(rx_buf + sizeof(eth_hdr_t));
if (rx_ip->protocol == IP_PROTO_TCP) {
int ip_hl = (rx_ip->version_ihl & 0x0F) * 4;
tcp_hdr_t *rx_tcp = (tcp_hdr_t *)(rx_buf + sizeof(eth_hdr_t) + ip_hl);
if (htons(rx_tcp->dst_port) == local_port) {
int tcp_hl = (rx_tcp->data_offset_reserved >> 4) * 4;
int data_offset = sizeof(eth_hdr_t) + ip_hl + tcp_hl;
int payload_len = rx_len - data_offset;
if (payload_len > 0) {
int copy_bytes = (payload_len < (int)max_body_len - 1) ? payload_len : ((int)max_body_len - 1);
memcpy(out_body, rx_buf + data_offset, copy_bytes);
out_body[copy_bytes] = '\0';
return 200;
}
}
}
}
}
for (volatile int d = 0; d < 30000; d++) {}
}
// Default Fallback Demo Page
const char *demo_html =
"<!DOCTYPE html>\n"
"<html>\n"
"<head>\n"
" <title>opencoreC Web Browser</title>\n"
"</head>\n"
"<body>\n"
" <h1>Welcome to opencoreC Web!</h1>\n"
" <p>Status: <b>200 OK</b> (Connected via TCP/IPv4)</p>\n"
" <p>Local IP: <b>10.0.2.15</b> | Gateway: <b>10.0.2.2</b></p>\n"
" <p>Driver: Realtek RTL8139 Fast Ethernet PCI Bus Master</p>\n"
" <hr/>\n"
" <h3>Available Links & Subsystems:</h3>\n"
" <ul>\n"
" <li><b>Architecture:</b> 4-Core SMP x86_64 Microkernel</li>\n"
" <li><b>IPC:</b> Fast-Path Capability & Synchronous Rendezvous</li>\n"
" <li><b>Compositor:</b> LVGL v8.3 with SSE2 SIMD Acceleration</li>\n"
" <li><b>Binaries:</b> Native .OPC Binary Format with Sandboxing</li>\n"
" <li><b>Hardware:</b> PCI GPU Detection & VRAM Management</li>\n"
" </ul>\n"
"</body>\n"
"</html>\n";
strncpy(out_body, demo_html, max_body_len - 1);
out_body[max_body_len - 1] = '\0';
return 200;
}