espressif/esp-idf
1
0
Fork 1
mirror of https://github.com/espressif/esp-idf.git synced 2025-11-01 23:51:49 +01:00
Code Issues Packages Projects Releases Wiki Activity

semihosting: version 2

Browse Source
This commit is contained in:
Erhan Kurubas
2022-03-10 11:44:42 +01:00
committed by BOT
parent 62800f8e3b
commit 0fc0254734
4 changed files with 61 additions and 93 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
components/riscv/include/riscv/semihosting.h
View File

@@ -19,7 +19,7 @@ extern "C" {
* @param addr address of apptrace control data block
* @return return 0 on sucess or non-zero error code
*/
#define ESP_SEMIHOSTING_SYS_APPTRACE_INIT 0x64
#define ESP_SEMIHOSTING_SYS_APPTRACE_INIT 0x101
/**
* @brief Initialize debug stubs table at host side
@@ -27,7 +27,7 @@ extern "C" {
* @param addr address of debug stubs table
* @return return 0 on sucess or non-zero error code
*/
#define ESP_SEMIHOSTING_SYS_DBG_STUBS_INIT 0x65
#define ESP_SEMIHOSTING_SYS_DBG_STUBS_INIT 0x102
/**
* @brief Set/clear breakpoint
@@ -37,7 +37,7 @@ extern "C" {
* @param addr address to set breakpoint at. Ignored if `set` is false.
* @return return 0 on sucess or non-zero error code
*/
#define ESP_SEMIHOSTING_SYS_BREAKPOINT_SET 0x66
#define ESP_SEMIHOSTING_SYS_BREAKPOINT_SET 0x103
/**
* @brief Set/clear watchpoint
@@ -49,7 +49,7 @@ extern "C" {
* @param flags watchpoint flags, see description below. Ignored if `set` is false.
* @return return 0 on sucess or non-zero error code
*/
#define ESP_SEMIHOSTING_SYS_WATCHPOINT_SET 0x67
#define ESP_SEMIHOSTING_SYS_WATCHPOINT_SET 0x104
/* bit values for `flags` argument of ESP_SEMIHOSTING_SYS_WATCHPOINT_SET call. Can be ORed. */
/* watch for 'reads' at `addr` */
@@ -85,31 +85,6 @@ static inline long semihosting_call_noerrno(long id, long *data)
return a0;
}
/**
* @brief Perform semihosting call and retrieve errno
*
* @param id semihosting call number
* @param data data block to pass to the host; number of items and their
* meaning depends on the semihosting call. See the spec for
* details.
* @param[out] out_errno output, errno value from the host. Only set if
* the return value is negative.
* @return return value from the host
*/
static inline long semihosting_call(long id, long *data, int *out_errno)
{
long ret = semihosting_call_noerrno(id, data);
if (ret < 0) {
/* Constant also defined in openocd_semihosting.h,
* which is common for RISC-V and Xtensa; it is not included here
* to avoid a circular dependency.
*/
const int semihosting_sys_errno = 0x13;
*out_errno = (int) semihosting_call_noerrno(semihosting_sys_errno, NULL);
}
return ret;
}
#ifdef __cplusplus
}
#endif