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Rework/update ARM semihosting

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In 2016, ARM released the second edition of the semihosting specs
("Semihosting for AArch32 and AArch64"), adding support for 64-bits.

To ease the reuse of the semihosting logic for other platforms
(like RISC-V), the semihosting code was isolated from the ARM
target and updated to the latest specs.

The new code is already in use since January (in GNU MCU Eclipse
OpenOCD) and no problems were reported, neither for ARM nor for
RISC-V targets, after more than 7K downloads.

The 2 new files were formatted with uncrustify.

Change-Id: Ie84dbd86a547323bb8a5d24eab68fc7dad013d96
Signed-off-by: Liviu Ionescu <ilg@livius.net>
Reviewed-on: http://openocd.zylin.com/4518
Tested-by: jenkins
Reviewed-by: Matthias Welwarsky <matthias@welwarsky.de>
This commit is contained in:
Liviu Ionescu
2018-05-13 18:39:06 +03:00
committed by Matthias Welwarsky
parent cdf1e826eb
commit 2517bae6c1
13 changed files with 1895 additions and 747 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
src/server/gdb_server.c
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@@ -793,64 +793,64 @@ static void gdb_fileio_reply(struct target *target, struct connection *connectio
bool program_exited = false;
if (strcmp(target->fileio_info->identifier, "open") == 0)
sprintf(fileio_command, "F%s,%" PRIx32 "/%" PRIx32 ",%" PRIx32 ",%" PRIx32, target->fileio_info->identifier,
sprintf(fileio_command, "F%s,%" PRIx64 "/%" PRIx64 ",%" PRIx64 ",%" PRIx64, target->fileio_info->identifier,
target->fileio_info->param_1,
target->fileio_info->param_2,
target->fileio_info->param_3,
target->fileio_info->param_4);
else if (strcmp(target->fileio_info->identifier, "close") == 0)
sprintf(fileio_command, "F%s,%" PRIx32, target->fileio_info->identifier,
sprintf(fileio_command, "F%s,%" PRIx64, target->fileio_info->identifier,
target->fileio_info->param_1);
else if (strcmp(target->fileio_info->identifier, "read") == 0)
sprintf(fileio_command, "F%s,%" PRIx32 ",%" PRIx32 ",%" PRIx32, target->fileio_info->identifier,
sprintf(fileio_command, "F%s,%" PRIx64 ",%" PRIx64 ",%" PRIx64, target->fileio_info->identifier,
target->fileio_info->param_1,
target->fileio_info->param_2,
target->fileio_info->param_3);
else if (strcmp(target->fileio_info->identifier, "write") == 0)
sprintf(fileio_command, "F%s,%" PRIx32 ",%" PRIx32 ",%" PRIx32, target->fileio_info->identifier,
sprintf(fileio_command, "F%s,%" PRIx64 ",%" PRIx64 ",%" PRIx64, target->fileio_info->identifier,
target->fileio_info->param_1,
target->fileio_info->param_2,
target->fileio_info->param_3);
else if (strcmp(target->fileio_info->identifier, "lseek") == 0)
sprintf(fileio_command, "F%s,%" PRIx32 ",%" PRIx32 ",%" PRIx32, target->fileio_info->identifier,
sprintf(fileio_command, "F%s,%" PRIx64 ",%" PRIx64 ",%" PRIx64, target->fileio_info->identifier,
target->fileio_info->param_1,
target->fileio_info->param_2,
target->fileio_info->param_3);
else if (strcmp(target->fileio_info->identifier, "rename") == 0)
sprintf(fileio_command, "F%s,%" PRIx32 "/%" PRIx32 ",%" PRIx32 "/%" PRIx32, target->fileio_info->identifier,
sprintf(fileio_command, "F%s,%" PRIx64 "/%" PRIx64 ",%" PRIx64 "/%" PRIx64, target->fileio_info->identifier,
target->fileio_info->param_1,
target->fileio_info->param_2,
target->fileio_info->param_3,
target->fileio_info->param_4);
else if (strcmp(target->fileio_info->identifier, "unlink") == 0)
sprintf(fileio_command, "F%s,%" PRIx32 "/%" PRIx32, target->fileio_info->identifier,
sprintf(fileio_command, "F%s,%" PRIx64 "/%" PRIx64, target->fileio_info->identifier,
target->fileio_info->param_1,
target->fileio_info->param_2);
else if (strcmp(target->fileio_info->identifier, "stat") == 0)
sprintf(fileio_command, "F%s,%" PRIx32 "/%" PRIx32 ",%" PRIx32, target->fileio_info->identifier,
sprintf(fileio_command, "F%s,%" PRIx64 "/%" PRIx64 ",%" PRIx64, target->fileio_info->identifier,
target->fileio_info->param_1,
target->fileio_info->param_2,
target->fileio_info->param_3);
else if (strcmp(target->fileio_info->identifier, "fstat") == 0)
sprintf(fileio_command, "F%s,%" PRIx32 ",%" PRIx32, target->fileio_info->identifier,
sprintf(fileio_command, "F%s,%" PRIx64 ",%" PRIx64, target->fileio_info->identifier,
target->fileio_info->param_1,
target->fileio_info->param_2);
else if (strcmp(target->fileio_info->identifier, "gettimeofday") == 0)
sprintf(fileio_command, "F%s,%" PRIx32 ",%" PRIx32, target->fileio_info->identifier,
sprintf(fileio_command, "F%s,%" PRIx64 ",%" PRIx64, target->fileio_info->identifier,
target->fileio_info->param_1,
target->fileio_info->param_2);
else if (strcmp(target->fileio_info->identifier, "isatty") == 0)
sprintf(fileio_command, "F%s,%" PRIx32, target->fileio_info->identifier,
sprintf(fileio_command, "F%s,%" PRIx64, target->fileio_info->identifier,
target->fileio_info->param_1);
else if (strcmp(target->fileio_info->identifier, "system") == 0)
sprintf(fileio_command, "F%s,%" PRIx32 "/%" PRIx32, target->fileio_info->identifier,
sprintf(fileio_command, "F%s,%" PRIx64 "/%" PRIx64, target->fileio_info->identifier,
target->fileio_info->param_1,
target->fileio_info->param_2);
else if (strcmp(target->fileio_info->identifier, "exit") == 0) {
/* If target hits exit syscall, report to GDB the program is terminated.
* In addition, let target run its own exit syscall handler. */
program_exited = true;
sprintf(fileio_command, "W%02" PRIx32, target->fileio_info->param_1);
sprintf(fileio_command, "W%02" PRIx64, target->fileio_info->param_1);
} else {
LOG_DEBUG("Unknown syscall: %s", target->fileio_info->identifier);