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Split clone main and ethereum main, add comments and remove unnecessary lines

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This commit is contained in:
Francois Beutin
2023-12-04 14:41:46 +01:00
parent f64addc0d2
commit 1723386985
1 changed files with 48 additions and 33 deletions
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81
src/main.c
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@@ -762,69 +762,77 @@ void library_main(libargs_t *args) {
os_lib_end();
}
__attribute__((section(".boot"))) int main(int arg0) {
#ifdef USE_LIB_ETHEREUM
/* Eth clones do not actually contain any logic, they delegate everything to the ETH application.
* Start Eth in lib mode with the correct chain config
*/
__attribute__((noreturn)) void clone_main(libargs_t *args) {
PRINTF("Starting in clone_main\n");
BEGIN_TRY {
TRY {
unsigned int libcall_params[5];
chain_config_t local_chainConfig;
init_coin_config(&local_chainConfig);
PRINTF("Hello from Eth-clone\n");
check_api_level(CX_COMPAT_APILEVEL);
// delegate to Ethereum app/lib
libcall_params[0] = (unsigned int) "Ethereum";
libcall_params[1] = 0x100;
libcall_params[2] = RUN_APPLICATION;
libcall_params[3] = (unsigned int) &local_chainConfig;
#ifdef HAVE_NBGL
const char app_name[] = APPNAME;
caller_app_t capp;
nbgl_icon_details_t icon_details;
uint8_t bitmap[sizeof(ICONBITMAP)];
memcpy(&icon_details, &ICONGLYPH, sizeof(ICONGLYPH));
memcpy(&bitmap, &ICONBITMAP, sizeof(bitmap));
icon_details.bitmap = (const uint8_t *) bitmap;
capp.name = app_name;
capp.icon = &icon_details;
libcall_params[4] = (unsigned int) &capp;
#else
libcall_params[4] = NULL;
#endif // HAVE_NBGL
if (arg0) {
// call as a library
libcall_params[2] = ((unsigned int *) arg0)[1];
libcall_params[4] = ((unsigned int *) arg0)[3]; // library arguments
// Clone called by Exchange, forward the request to Ethereum
if (args != NULL) {
if (args->id != 0x100) {
os_sched_exit(0);
}
libcall_params[2] = args->command;
libcall_params[4] = (unsigned int) args->get_printable_amount;
os_lib_call((unsigned int *) &libcall_params);
((unsigned int *) arg0)[0] = libcall_params[1];
// Ethereum fulfilled the request and returned to us. We return to Exchange.
os_lib_end();
} else {
// launch coin application
libcall_params[1] = 0x100; // use the Init call, as we won't exit
// Clone called from Dashboard, start Ethereum
libcall_params[2] = RUN_APPLICATION;
// On Stax, forward our icon to Ethereum
#ifdef HAVE_NBGL
const char app_name[] = APPNAME;
caller_app_t capp;
nbgl_icon_details_t icon_details;
uint8_t bitmap[sizeof(ICONBITMAP)];
memcpy(&icon_details, &ICONGLYPH, sizeof(ICONGLYPH));
memcpy(&bitmap, &ICONBITMAP, sizeof(bitmap));
icon_details.bitmap = (const uint8_t *) bitmap;
capp.name = app_name;
capp.icon = &icon_details;
libcall_params[4] = (unsigned int) &capp;
#else
libcall_params[4] = 0;
#endif // HAVE_NBGL
os_lib_call((unsigned int *) &libcall_params);
// Ethereum should not return to us
os_sched_exit(-1);
}
}
FINALLY {
}
}
END_TRY;
// no return
#else
// os_lib_call will raise if Ethereum application is not installed. Do not try to recover.
os_sched_exit(-1);
}
int ethereum_main(libargs_t *args) {
// exit critical section
__asm volatile("cpsie i");
// ensure exception will work as planned
os_boot();
if (!arg0) {
if (args == NULL) {
// called from dashboard as standalone eth app
coin_main(NULL);
return 0;
}
libargs_t *args = (libargs_t *) arg0;
if (args->id != 0x100) {
app_exit();
return 0;
@@ -838,6 +846,13 @@ __attribute__((section(".boot"))) int main(int arg0) {
// called as ethereum or altcoin library
library_main(args);
}
#endif
return 0;
}
__attribute__((section(".boot"))) int main(int arg0) {
#ifdef USE_LIB_ETHEREUM
clone_main((libargs_t *) arg0);
#else
return ethereum_main((libargs_t *) arg0);
#endif
}